OdontoInvestigación
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description: ODONTOINVESTIGACIÓN MAGAZINE is the official journal of the Escuela de Odontología at the Universidad San Francisco de Quito, open to professionals, students, teachers, educational institutions, research and universities of the country and the world in the dentistry area. The OdontoInvestigación magazine aims to disseminate knowledge, academic and scientific research activities that are generated within the Escuela de Odontología at the Universidad San Francisco de Quito and also from related universities nationally and internationally.
publisher: Universidad San Francisco de Quito
language: en
publication name: OdontoInvestigación
issn: 1390-9827
copyright: Los autores que publiquen en esta revista aceptan los siguientes términos: Los autores conservarán sus derechos de autor y garantizarán a la revista el derecho de primera publicación de su obra, el cuál estará simultáneamente sujeto a la Licencia de reconocimiento de Creative Commons que permite a terceros compartir la obra siempre que se indique su autor y su primera publicación esta revista. Los autores/as podrán adoptar otros acuerdos de licencia no exclusiva de distribución de la versión de la obra publicada (p. ej.: depositarla en un archivo telemático institucional o publicarla en un volumen monográfico) siempre que se indique la publicación inicial en esta revista. Se permite y recomienda a los autores/as difundir su obra a través de Internet (p. ej.: en archivos telemáticos institucionales o en su página web) antes y durante el proceso de envío, lo cual puede producir intercambios interesantes y aumentar las citas de la obra publicada. (Véase El efecto del acceso abierto).
items: Español
items: Protocolo odontológico en paciente con labio y paladar hendido: Caso Clínico
items: Level of knowledge and attitude of Pediatricians about early childhood caries and oral health in children in the City of Quito, 2021-2022
items: Estudio comparativo in vitro sobre el grado de rugosidad superficial usando tres diferentes sistemas de pulido intraoral en cerámicas de silicato de litio reforzado con óxido de zirconio
items: Tratamientos mínimamente invasivos para casos de fluorosis dental en Odontopediatría. Una revisión sistemática
items: REHABILITACIÓN INTEGRAL EN UNA SOLA CITA DE UN PACIENTE PRESCOLAR CON CARIES DE INFANCIA TEMPRANA
items: Fenestración dental en molares deciduos.
items: Rehabilitative treatment in altered eruption: case report
items: COMPARACIÓN DE LA FUERZA DE ADHESIÓN DE DOS CEMENTOS ENDODÓNTICOS A BASE DE SILICATO DE CALCIO. ESTUDIO IN VITRO
items: Cat Scratch disease: literature review and case report
items: Complications and satisfaction of rehabilitated patients with Zygomatic implants in a private clinic in Quito - Ecuador
items: Deviation of permanent tooth germ after pulpectomy filled with zinc oxide eugenol.
items: Myofunctional therapy: alternative treatment to correct anterior crossbite in 15 days in an 8-year-old patient. Report of a case.
items: PREVALENCIA DE FRACTURAS ORBITO CIGOMATICA EN EL HOSPITAL DE ESPECIALIDADES DE LAS FUERZAS ARMADAS No 1-QUITO EN DOS ESCENARIOS DISTINTOS
items: Bi-rooted Deciduous Canine. Radiographic finding in a patient with early childhood caries. Case report.
items: Cyclic fatigue in reciprocating WaveOne Gold and Reciproc Blue systems after use in severely curved channels
items: https://revistas.usfq.edu.ec/index.php/odontoinvestigacion/en/article/view/2175
items: Complete oral rehabilitation and behavior management in 3-year-old patient with severe early childhood caries. Case report.
items: Manejo diagnóstico y quirúrgico del Granuloma Central de Células gigantes. A propósito de un caso clínico.
items: Frenectomía lingual con técnica romboidal en paciente de 8 años de edad.
items: Resultados clínico a largo plazo de implantes osteointegrados colocados en pacientes reconstruidos con colgajo libre de peroné: reporte de 12 casos
items: Prevalence of dental caries and sociodemographic factors associated with its appearance in the school population of Mangahuantag, Puembo.
items: Alteraciones bucales en adultos diabéticos que acudieron a dos Facultades de Odontologia del Paraguay
items: Molar Incisor Hypomineralization (MIH) prevalence in children between 9-12 years old in children between 9-12 years of age belonging to two schools in Quito, Ecuador; between February and March 2018
items: Caliber-Persistent Labial Artery about a case
items: THE Early treatment of pseudo class III with Eschler Arc. Case Report
items: Xerodermia Pigmentosa. Reporte de dos casos clínicos
items: Immediate Implant placement into fresh extraction mandibular molars sockets with or without bone grafting. Clinical cases report.

Español
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description: Knowledge of the internal root anatomy and its different configurations is of great importance to guarantee a correct procedure and achieve a successful endodontic treatment. The aim of this study is to document two clinical cases of lower premolars with different anatomical characteristics. In the first case, a type VIII lower first premolar is evident according to the Vertucci classification, with an incidence of 0.5%. While, in the second case, a type IV lower first premolar is observed according to the Vertucci classification, with an incidence of 24%.
subject: Casos Clínicos Endodoncia
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creator: Steeven Cevallos
rights: Copyright (c) 2022 Steeven Cevallos https://creativecommons.org/licenses/by-nc/4.0
date: 2022-10-21
publication date: 2022-10-21
doi: 10.18272/oi.v8i2.2784

Protocolo odontológico en paciente con labio y paladar hendido: Caso Clínico
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description: Cleft lip and palate (CLP) is the most frequent congenital craniofacial malformation with an incidence in the general population of approximately 1:500; in Mexico is 1:700 live births, these patients have a higher incidence of congenital malformations, which will require more than one reconstructive surgery as treatment, in addition to a multidisciplinary treatment. This article presents the case of a 2 years 11 months old male patient with CLP, in which he underwent a comprehensive operative treatment that included pulpotomies, restorations with steel crowns, fluoride topication, sealants, and the placement of an obturator plate with transversal screw, which is maintained with periodic revisions. The results of the treatment were favorable, since the patient's upper jaw had already been expanded, in addition to receiving multidisciplinary care, which improved the patient's quality of life.
subject: Casos Clínicos Odontopediatría
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creator: Andréa Dolores Correia Miranda Valdivia
creator: Karen Cuevas Carrillo
creator: Tonanthzin Aleli Sandoval Ledezma
creator: Santiago Sandoval Vázquez
rights: Copyright (c) 2022 Andréa Dolores Correia Miranda Valdivia, Karen Cuevas Carrillo, Tonanthzin Aleli Sandoval Ledezma, Santiago Sandoval Vázquez https://creativecommons.org/licenses/by-nc/4.0
date: 2022-10-21
publication date: 2022-10-21
doi: 10.18272/oi.v8i2.2727

Level of knowledge and attitude of Pediatricians about early childhood caries and oral health in children in the City of Quito, 2021-2022
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description: The prevalence of early childhood caries has been increasing rapidly globally, however, the highest prevalence is seen in developing countries, significantly influencing individuals, families and societies in a way that is related to with general health, quality of life and is related to other common diseases. childhood diseases, mainly due to risk factors in common with other non-communicable diseases, for example, a high consumption of sugar, and diseases related to other health disorders such as obesity. (World Health Organization, 2021). The level of knowledge and the attitude of paediatricians towards this problem is essential for correct prevention as the first providers of information on the health of infants. Therefore, this study aims to assess the level of knowledge and attitude of pediatricians about early childhood caries and oral health of children in the city of Quito. To the extent that there is no list of each of the pediatricians in the city of Quito, they were selected through a non-probabilistic sampling for convenience. The results suggest that about 58.5% of pediatricians recognized the importance of pediatric dentistry. About 72.7% of pediatricians perform oral exams regularly. About 17% of pediatricians are aware of CHD. Only 32.3% of pediatricians recognized the cariogenicity of medicated syrups.
subject: Artículos Odontopediatría
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creator: Janina Andrade
rights: Copyright (c) 2022 Janina Andrade https://creativecommons.org/licenses/by-nc/4.0
date: 2022-10-21
publication date: 2022-10-21
doi: 10.18272/oi.v8i2.2694

Estudio comparativo in vitro sobre el grado de rugosidad superficial usando tres diferentes sistemas de pulido intraoral en cerámicas de silicato de litio reforzado con óxido de zirconio
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description: The aim of this study was to evaluate the surface roughness of zirconia-reinforced lithium silicate ceramics treated with three different intraoral polishing systems from the manufacturers Garrison, Ultradent and Jota. The specimens were Celtra Duo ceramics (Dentsply Sirona) modeled by CAD/CAM in a CEREC unit, and then glazed. The glazed specimens were worn out with a diamond bur to simulate an occlusal adjustment in dental restorations and then treated with the different intraoral polishing systems. Polishing procedures were performed at two intervals of 40s each. Data was statistically analyzed using Student T-tests. All three systems managed to significantly reduce the roughness of the milled surface at the end of the first polishing interval, with significant differences between the three systems. In addition, it was observed that, at the end of the second interval, two systems achieved similar surface roughness, but smoother than the third system. None of the systems managed to recover the original roughness of the glazed ceramic surface. Finally, significant differences from one interval to the next suggest that surface roughness can be further reduced by extending polishing time; however, the increase in polishing time can influence the service life of intraoral instruments and working time. Consequently, the time needed to achieve optimal smoothness in each system should be considered as a key performance aspect in future research on intraoral polishing systems.
subject: Artículos Rehabilitación Oral
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creator: Stephania Ramon
rights: Copyright (c) 2022 Stephania Ramon https://creativecommons.org/licenses/by-nc/4.0
date: 2022-10-21
publication date: 2022-10-21
doi: 10.18272/oi.v8i2.2535

Tratamientos mínimamente invasivos para casos de fluorosis dental en Odontopediatría. Una revisión sistemática
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description: Objective. The objective of this research was to determine the most effective minimally invasive treatment for cases of fluorosis in children and adolescents, taking into account the degree of severity through bibliographic review. Materials and Methods. Literature research was performed from January 2017 to October 2021 on minimally invasive treatments for cases of dental fluorosis in children and adolescents in five scientifically recognized databases in the field of health (Pubmed Central, Medline, Scopus, Science Direct and Cochrane Library). Following the PRISMA Methodology, of 900 articles resulting from the initial search, through the analysis of inclusion/exclusion criteria and quality of scientific evidence; 5 scientific articles are included for qualitative evaluation. Results. For the purposes of this review, the five studies selected with a high quality of evidence were clinical trials. The total number of participating girls/boys and adolescents was 287 with an age range of 6 to 17 years. These cases of dental fluorosis were treated with microabrasion, bleaching, application of infiltrating resin (ICON, DMG) and combined therapies. Said techniques present an efficacy that is inversely proportional to the degree of severity of dental fluorosis, being highly effective in masking minor lesions. Conclusion. The resin infiltration technique with double infiltration for 3 minutes and combined with whitening exhibits better aesthetic results and fewer limitations/adverse effects for cases of mild and moderate dental fluorosis (in stages 1 to 4 within the Thylstrup and Fejerskov index) in pediatric and adolescent patients.
subject: Artículos Odontopediatría
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creator: Samy Samay Vinueza Jarrín
creator: Nathaly Chávez Jaramillo
creator: José Miguel Pinto Ojeda
rights: Copyright (c) 2022 Samy Samay Vinueza Jarrín, Nathaly Chávez Jaramillo, José Miguel Pinto Ojeda https://creativecommons.org/licenses/by-nc/4.0
date: 2022-10-21
publication date: 2022-10-21
doi: 10.18272/oi.v8i2.2688

REHABILITACIÓN INTEGRAL EN UNA SOLA CITA DE UN PACIENTE PRESCOLAR CON CARIES DE INFANCIA TEMPRANA
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description: Abstract Early childhood caries (ECC) affects the 12% to 98% of the population and is associated with a negative impact on the infant"™s quality of life, even more so when it is not treated. ECC treatment aims to prevent further destruction of teeth, promote general health, and stop the disease process permanently. The objective of this article is to report a case of a comprehensive rehabilitation, in a single appointment, in a female preschool patient with ECC, from Santo Domingo de los Tsáchilas province in Ecuador. The rehabilitation consisted of surgical, endodontic, functional and aesthetic restorative treatments, with the need for future placement of space maintainers. The management of the pediatric patient during comprehensive oral rehabilitation in a single appointment can be a challenge for the pediatric dentist. Therefore, oral education will be essential for the oral health promotion and the prevention of ECC, mainly in areas with difficult access to quality dental treatment. Keywords: Early child hood caries, oral rehabilitation, oral education, oral health promotion.
subject: Casos Clínicos Odontopediatría
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creator: Karla Salgado Rodríguez
creator: Constanza Nahir Sanchez Dávila
rights: Copyright (c) 2022 Karla Salgado Rodríguez, Constanza Nahir Sanchez Dávila
date: 2022-04-04
publication date: 2022-04-04
doi: 10.18272/oi.v8i1.2087

Fenestración dental en molares deciduos.
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description: La fenestración dental en dientes deciduos se considera una lesión ósea a nivel de las raíces de dientes temporales, entre sus características clínicas pueden presentarse asintomática acompañada de la destrucción alveolar evidente considerándose de etiología multifactorial, con una prevalencia de 20% de los dientes en dientes deciduos particularmente con mayor frecuencia se observa en la porción vestibular siendo los dientes anteriores más afectados que los posteriores, sin embargo esta patología se encuentra poco documentada en la literatura con escasas publicaciones. El presente artículo reporta el caso clínico de un paciente 6 años 8 meses con movilidad, pérdida de la continuidad de la mucosa bucal y destrucción de la tabla ósea vestibular a nivel de unidades dentales 8.4-8.7.
subject: Casos Clínicos Odontopediatría
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creator: DIANA GONZABAY CAMPOS
rights: Copyright (c) 2022 DIANA GONZABAY CAMPOS
date: 2022-04-04
publication date: 2022-04-04
doi: 10.18272/oi.v8i1.2106

Rehabilitative treatment in altered eruption: case report
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description: Altered passive eruption (EPA) is a common clinical situation in which patients show an excess of the gingiva, and it is usually accompanied by short crowns, its treatment generally involves crown lengthening that can be performed with the use of some devices that favor a safe, fast and effective execution. The purpose of this case report is to present the esthetic treatment of a patient with EPA using the Kois Dento-Facial Analyzer (Panadent®) and the Chu Aesthetic Gauges (Hu-Friedy®) for crown lengthening and esthetic restorations with lithium disilicate. This clinical case shows us that proper diagnosis and treatment planning with all possible options being addressed with the patient is essential to achieve long-lasting results and patient satisfaction.
subject: Casos Clínicos Rehabilitación Oral
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creator: Andréa Dolores Correia Miranda Valdivia
creator: Ricardo Guandulain Juárez
creator: Ángel Galarza Proaño
creator: Andrés Niño Camacho
creator: Marco Octavio Romero Durán
rights: Copyright (c) 2022 Andréa Dolores Correia Miranda Valdivia, Ricardo Guandulain Juárez, Ángel Galarza Proaño, Andrés Niño Camacho, Marco Octavio Romero Durán
date: 2022-04-04
publication date: 2022-04-04
doi: 10.18272/oi.v8i1.2382

COMPARACIÓN DE LA FUERZA DE ADHESIÓN DE DOS CEMENTOS ENDODÓNTICOS A BASE DE SILICATO DE CALCIO. ESTUDIO IN VITRO
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description: Objective: The purpose of this study was to compare the bond strength of Bio C Sealer and MTA Fillapex calcium silicate-based cements and another AH Plus epoxy resin cement. Methodology: the sealers of the study were divided into three groups to perform vertical condensation technique in the obturation of 30 inferior premolar roots, of which 5 slices of each were sectioned, to be subjected to push-out tests by means of the universal testing machine, to record the bond strength of the sealers analyzed in megapascals (MPa). Statistical analysis was done using the one-way ANOVA and Bonferroni tests. Results: it was shown that Bio C Sealer (5.30 MPa) obtained the highest adhesion strength, followed by AH Plus (3.40 MPa) and MTA Fillapex (1.39 MPa) which got the lowest bond strength with statistically significant differences between the groups. Conclusion: Bio C Sealer has greater bond strength to root canal walls.
subject: Artículos Endodoncia
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creator: Bernarda Sánchez Arteaga
rights: Copyright (c) 2022 Bernarda Sánchez Arteaga
date: 2022-04-04
publication date: 2022-04-04
doi: 10.18272/oi.v8i1.2513

Español
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description: The success of endodontic treatment will depend on the cleanliness and conformation of the root canal system. In clinical practice, the use of irrigants provides chemical disinfection of root canals and removal of the smear trapped inside the canal thanks to the efficient action of chelating solutions. The purpose of this study was to calculate the efficacy of removing the smear layer in the apical third, with the use of 17% EDTA and 10% citric acid activated with different devices and techniques such as passive ultrasonic irrigation (PUI) and EDDY tips (ED). Forty-five premolar teeth were randomly divided into five groups: 4 experimental groups (n=10) and 1 control group (n=5). In each root, two longitudinal grooves were prepared in the buccal and lingual, which were covered with gold for observation under the scanning electron microscope to thus quantify the open dentinal tubules. For the statistical analysis, the Shapiro-Wilk, Kruskal-Wallis test and a multiple comparison with U Mann-Whitney were used, which showed that the activation with EDDY has had the lowest scores of the experiment with a difference of 8 points with respect to PUI with EDTA at 17% and a difference with PUI of 13 points with citric acid at 10% in the apical third. However, none of the experimental groups was able to remove the entire dentin smear layer in the apical third, but they did present significant differences with respect to the control group, so the use of chelating solutions and an activation system is recommended to better obtain cleaning index and ensure a successful root canal treatment.
subject: Artículos Endodoncia
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creator: Javier Andrés López Espinoza
rights: Copyright (c) 2022 Javier Andrés López Espinoza
date: 2022-04-04
publication date: 2022-04-04
doi: 10.18272/oi.v8i1.2589

Cat Scratch disease: literature review and case report
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description: Cat scratch disease is an uncommon infection caused by Bartonella Henselae bacteria. It has a reported incidence of 9.3 cases per 100 000 individuals and occurs in 80% of children aged between 2 and 14 years with a higher prevalence in men. The typical presentation of the disease is presented as cutaneous nodules at the site of inoculation with regional lymphoadenitis as well as nonspecific symptoms such as fever, malaise, headache among others. It is produced through a scratch or only by contact with an infected animal and the infecting microorganism is transported by macrophages from the site of inoculation to the lymph nodes. The gold standard in the diagnosis of this condition is an extensive clinical history and serological tests revealing high levels of IgM and IgG antibodies, so the objective of this study is to present a rare case of cat scratch disease in a female patient 9 years old who presented bilateral preauricular lymphadenopathy. In addition, a systematic review of the available literature was carried out in order to determine and describe the signs, symptoms, diagnosis, available treatment and prognosis of this disease.
subject: Casos Clínicos Cirugía
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creator: Marco Andrés Cedillo Bailon
rights: Copyright (c)
date: 2020-08-26
publication date: 2020-08-26
starting page: 48
ending page: 58
doi: 10.18272/oi.v6i2.1747

Complications and satisfaction of rehabilitated patients with Zygomatic implants in a private clinic in Quito - Ecuador
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description: The treatment of atrophic jaws using zygomatic implants was initially introduced by Branemark in 1988, since then several modifications have been presented in terms of its indications, pre-surgical planning and surgical technique. Currently being a safe and predictable long-term alternative. The objective of the present study was to analyze the presence of biological and biomechanical problems, as well as the satisfaction of patients rehabilitated with extrasinusal zygomatic implants with immediate loading, for which we retrospectively reviewed 21 zygomatic implants installed in 6 patients with atrophic maxillae or with a maxillectomy sequela who were treated in a private clinic in the city of Quito - Ecuador. The results of this study showed that only 9.52% of the implants presented biological complications, of which 1 implant presented oro-sinus communication (4.76%) and 2 implants presented maxillary sinusitis- (9.52% - the implant affected with the oro-sinus communication was repeated); In addition, all patients provided satisfactory responses in terms of general satisfaction with the treatment. It is concluded that the extrasinusal zygomatic implant technique is a reliable and reproducible technique that generates high rates patient satisfaction.
subject: Artículos Cirugía
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creator: Marco Andrés Cedillo Bailon
creator: Fernando Sandoval Portilla
creator: Esteban Paz y Miño
rights: Copyright (c) 2021 Marco Andrés Cedillo Bailon, Fernando Sandoval Portilla, Esteban Paz y Miño
date: 2021-09-24
publication date: 2021-09-24
starting page: 1
ending page: 21
doi: 10.18272/oi.v7i2.2434

Deviation of permanent tooth germ after pulpectomy filled with zinc oxide eugenol.
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description: Zinc oxide and eugenol (ZOE) is the first recommended and most studied material, until 2008 it was the only material recommended by the American Academy of Pediatric Dentistry as a root canal obturator. However, ZOE has shown relatively lower rates of resorption or degradation in correlation of primary teeth rhizolysis, causing irritation in the periapical area, bone and cement necrosis, and deviation of the permanent tooth germ. Therefore, the objective of this article is to verify that ZOE, after extravasation and its slower rate of degradation of primary teeth rhizolysis, can divert the permanent tooth germ. Faced with the diagnosis of persistence of the primary maxillary incisors due to extravasation and non-reabsorption of the obturator material (ZOE), the initial treatment in the reported clinical case was to perform the extraction of the dental units 5.2, 5.1, 6.1, 6.2 and the removal of extravasated obturator material remains to aid in the descent of the clinical crown of the permanent successor dental units. It should be noted that the obturator material (ZOE) caused, as evidenced by the literature, the deviation of the permanent germ (dental unit 2.1) which will subsequently be worked on in an interdisciplinary way.
subject: Casos Clínicos Odontopediatría
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creator: María Belén Villavicencio Inga
rights: Copyright (c) 2021 María Belén Villavicencio Inga
date: 2021-09-24
publication date: 2021-09-24
starting page: 1
ending page: 12
doi: 10.18272/oi.v7i2.2114

Myofunctional therapy: alternative treatment to correct anterior crossbite in 15 days in an 8-year-old patient. Report of a case.
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description: Anterior crossbite is an increasingly observable malocclusion in developing pediatric patients. Their understanding and analysis of etiological factors is essential for the search for an appropriate, comfortable and effective treatment to redirect the abnormal growth pattern. Thus, this article reports a clinical case of an 8-year-10-month-old female patient. After the clinical evaluation and complementary tests, the patient received the diagnosis of anterior crossbite associated with atypical swallowing. Faced with this situation, the establishment of oral myofunctional therapy is proposed as a treatment, which is manifested as a unique and effective therapeutic alternative to restore aesthetics, functionality and self-esteem.
subject: Casos Clínicos Odontopediatría
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creator: Samy Samay Vinueza Jarrín
rights: Copyright (c) 2021 Samy Samay Vinueza Jarrín
date: 2021-09-24
publication date: 2021-09-24
starting page: 1
ending page: 8
doi: 10.18272/oi.v7i2.2090

PREVALENCIA DE FRACTURAS ORBITO CIGOMATICA EN EL HOSPITAL DE ESPECIALIDADES DE LAS FUERZAS ARMADAS No 1-QUITO EN DOS ESCENARIOS DISTINTOS
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description: We present an applied and comparative research related to two life scenarios of Ecuador, which occurred in October 2019 and March 2020. Where patients with facial trauma were presented. The objective of the investigation was to establish the prevalence of facial fractures in the patients of these two events. Similarities were found in the two cases and it was compared with world data, concluding that orbito-zygomatic trauma was the most common, which forces us to be prepared to attend to these patients who will surely present themselves more regularly in wards emergency of our hospitals.
subject: Artículos Cirugía
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creator: Luis León Pachano
creator: Patricio Marcelo Unda Jaramillo
rights: Copyright (c) 2021 Luis León Pachano, Patricio Marcelo Unda Jaramillo
date: 2021-09-24
publication date: 2021-09-24
starting page: 1
ending page: 11
doi: 10.18272/oi.v7i2.1937

Bi-rooted Deciduous Canine. Radiographic finding in a patient with early childhood caries. Case report.
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description: Radiographic findings are often found in common dental practice, bi-rooted canines represent a small of dental abnormalities that occur in the paediatric population as most cases are usually subdiagnostic in the case of no symptoms. The aim of this research is to report a case of a 6-year-old male patient, who attends to dental graduate clinic of San Francisco de Quito University, presenting a diagnosis of Early Childhood Caries (ECC). The radiological examination revealed an abnormal anatomy of the right mandibular canine (bifurcation).
subject: Artículos Odontopediatría
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creator: Michelle Devetak Pizarro
creator: Martha Perez Granja
rights: Copyright (c) 2021 Michelle Devetak Pizarro, Martha Perez Granja
date: 2021-09-24
publication date: 2021-09-24
starting page: 1
ending page: 8
doi: 10.18272/oi.v7i2.2084

Español
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description: The aim of this study was to compare marginal adaptation of Endosequence Root Repair Material (ERRM) and Bio-C Repair, as root-end filling materials. Twenty extracted, single-rooted teeth were standardized to 15 millimeters. The remaining roots were prepared and subsequently, they were filled using the continuous wave technique. Then, the apical 3 mm of the root was sectioned and root-end preparation was done with ultrasonic tips. Samples were randomly allocated in two groups: Group A, in which root-end cavities were filled with ERRM paste; and Group B, in which Bio-C Repair was used for root-end filling. Scanning electron microscope images at different magnifications were used in order to measure the gaps between both retrofilling materials and dentin walls. Results showed that ERRM paste showed a mean gap of 6.43 μm, while for Bio-C Repair, the mean gap was 7.5 μm. Statistical analysis revealed that there were no significant differences between the two groups. In conclusion, Endosequence Root Repair Material paste and Bio-C Repair have similar marginal adaptation when used as root-end fillings.
subject: Artículos Endodoncia
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creator: José Menéndez Sanchón
rights: Copyright (c)
date: 2021-02-25
publication date: 2021-02-25
starting page: 54
ending page: 87
doi: 10.18272/oi.v7i1.2045

Cyclic fatigue in reciprocating WaveOne Gold and Reciproc Blue systems after use in severely curved channels
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description: The aim of this study was to compare the number of cycles to breakage (NCF) of WaveOne Gold Primary (WOGP) and Reciproc Blue R25 (RBR25), after their use on root canals with 60° of curvature and radius (2 or 5mm). Therefore, four groups: 1° WOGP with a 2 mm. radius; 2° WOGP with a 5 mm. radius; 3° RBR25 with a 2mm. radius; and 4° RBR25 with a 5 mm. radius. of 5 files. Root canals were shaped with 60° and with a 2mm. and 5mm. radius, and time until file breakage was recorded and this is how the NCF was obtained. Cross section after file breakage was observed with an Endodontic Microscope. Group 4 had higher NCF, followed by group 3, group 2 and group 1. Both groups RBR25 had significant better cyclic fatigue resistance than WOGP.
subject: Artículos Endodoncia
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creator: Angel Lara
rights: Copyright (c)
date: 2021-02-25
publication date: 2021-02-25
starting page: 38
ending page: 53
doi: 10.18272/oi.v7i1.2117

https://revistas.usfq.edu.ec/index.php/odontoinvestigacion/en/article/view/2175
type: item
title: Estudio comparativo in vitro de la efectividad del sistema HBW Ultrasonic Ring y la irrigación ultrasónica pasiva en la remoción de barrillo dentinario colocado artificialmente en irregularidades simuladas dentro de conductos radiculares instrumentados, a
description: Comparar la efectividad de la irrigación ultrasónica dual del Anillo HBW (HBW, México) y la irrigación ultrasónica pasiva de IrriS (VDW Dental, Munich Germany) en la remoción de barrillo dentinario colocados artificialmente en irregularidades simuladas dentro de conductos radiculares instrumentados. El estudio se realizó en 25 premolares uniradiculares extraídos. Se instrumentaron los conductos con técnica reciprocante Reciproc Blue (VDW Dental, Munich Germany). Cada diente se dividió longitudinalmente en dos mitades. En una de las mitades de cada conducto se creó un surco de 4 mm de largo, 0,2 mm de ancho y 0,5 mm de profundidad, se rellenó el surco con barrillo dentinario preparado intencionalmente mezclando restos de dentina con NaOCl al 5,25%. Se volvió a ensamblar cada diente y se los distribuyó en 3 grupos de manera aleatoria: Grupo 1: irrigación ultrasónica pasiva PUI (n = 10), grupo 2 irrigación ultrasónica dual DUI (n = 10) en los cuales se irrigó 9 ml de NaOCl al 5,25% y se activó por 60s distribuidos en tres tiempos de 3ml/20s cada uno y grupo control (n = 5) en el cual no se realizó irrigación. Se separaron las raíces y se obtuvieron imágenes del surco, utilizando una cámara Nikon d3300 (Nikon,Tokio, Japan) luego de lo cual se guardaron como imágenes JPG. La cantidad de restos de barrillo dentinario en los surcos fue evaluada por tres expertos utilizando un sistema de puntuación de 0 a 3: cuanto mayor fue la puntuación, más barrillo dentinario fue observado en el surco. Los datos se analizaron mediante la prueba de Shapiro-Wilks y U de Mann-Whitney. La efectividad en la remoción de barrillo dentinario de cada sistema se comparó en 3 categorías de acuerdo a los puntajes obtenidos: puntaje de 0 a 1 Excelente; puntaje 2 Regular y puntaje 3 Mala. Una excelente remoción del barrillo dentinario se observó en el 60% y 70% en los sistemas DUI y PUI respectivamente, mientras que una remoción regular del 40% y 30% respectivamente. sin embargo, no hubo diferencias …
subject: Artículos Endodoncia
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creator: JCristina Monar
rights: Copyright (c)
date: 2021-03-01
publication date: 2021-03-01
starting page: 24
ending page: 37
doi: 10.18272/oi.v7i1.2175

Complete oral rehabilitation and behavior management in 3-year-old patient with severe early childhood caries. Case report.
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description: Non-pharmacological behavior management techniques are the set of procedures aimed to improve a child's coping skills and, are useful for complete oral rehabilitations as they decrease fear and anxiety levels while facilitating the proper realization of treatment. Before starting dental procedures, the child must be evaluated to recognize his cooperation and psychological maturity degree, in this way we will be able to choose the techniques that best suit the patient. The efficacy, safety, and preference of parents for the use of these techniques versus sedation or general anesthesia has been reported. The objective of this clinical case is to demonstrate that, through a correct selection of basic behavioral management techniques, the collaboration and acceptance of treatment by a 3-year-old patient with previous negative dental experiences and severe early childhood caries was achieved.
subject: Casos Clínicos Odontopediatría
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creator: Dayana Paola Jaramillo Rodriguez
rights: Copyright (c)
date: 2021-02-25
publication date: 2021-02-25
starting page: 14
ending page: 23
doi: 10.18272/oi.v7i1.2083

Manejo diagnóstico y quirúrgico del Granuloma Central de Células gigantes. A propósito de un caso clínico.
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description: The central giant cell granuloma is a benign, intraosseous and osteolytic lesion of non-odontogenic origin, with no reports published so far that can become a malignant pathology. We presented a case of a 69-years-old male patient who presented intraoral volume increase on the left side, evolution time was not quantified, non-painful, prevented the placement of his dental prosthesis. Image studies and stereolithographic models were performed and demonstrate the presence of a wide lithic zone located below the piriform aperture. Cystic mass enucleation, aggressive curettage of bony walls and cleaning of surgical field with chemical solution was done. The objective of this study is to provide the necessary guidelines for the diagnosis of central giant cell granuloma in order to carry out an adequate treatment without risk of recurrence.
subject: Casos Clínicos Cirugía
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creator: Andy Criollo
creator: Patricio Unda
rights: Copyright (c)
date: 2021-02-25
publication date: 2021-02-25
starting page: 4
ending page: 13
doi: 10.18272/oi.v7i1.1890

Frenectomía lingual con técnica romboidal en paciente de 8 años de edad.
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description: Abstract Partial ankyloglossia is defined as a limitation of the possibilities of protrusion and elevation of the tip of the tongue due to a short lingual frenum. The objective of this article is to report the case of incomplete ankyloglossia of a pediatric patient of 8 years of age, which presents problems in the articulation of words. The patient's mother mentions that the child received language therapy at his school without showing improvement, so he was referred for dental care. The diagnosis was made successfully, where the ankyloglossia was confirmed and it was decided to perform frenectomy, it is recommended to continue with the language therapy. Key words: Ankyloglossia, lingual frenulum, frenectomy.
subject: Casos Clínicos Odontopediatría
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creator: Daniela Chávez
rights: Copyright (c)
date: 2020-08-26
publication date: 2020-08-26
starting page: 60
ending page: 69
doi: 10.18272/oi.v6i2.1673

Resultados clínico a largo plazo de implantes osteointegrados colocados en pacientes reconstruidos con colgajo libre de peroné: reporte de 12 casos
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description: Dentro de la cirugía maxilofacial existen lesiones, traumatismos y patologías que dejan grandes defectos, se debe realizar un análisis exhaustivo para poder tomar una decisión de tratamiento, los colgajos microvascularizados son la mejor opción para poder reestablecer función y estética al paciente mejorando su calidad de vida. El colgajo microvascular de peroné resulta indicado ya que nos proporciona todos los factores necesarios para poder colocar los implantes dentales con un éxito predecible a largo plazo y fabricar prótesis de excelente calidad que brinde estabilidad a pesar de que puedan existir complicaciones. En este estudio se presentan 12 pacientes que fueron intervenidos quirúrgicamente para resección tumoral y se realizó en el mismo tiempo quirúrgico un colgajo libre microvascularizado de peroné, a los 9 meses se colocaron implantes, su longitud fue elegida a base de estudios imagenologicos para lograr un anclaje bicortical y obtener mayor estabilidad.
subject: Casos Clínicos Cirugía
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creator: Juan Diego Salazar Erazo
rights: Copyright (c)
date: 2020-08-26
publication date: 2020-08-26
starting page: 24
ending page: 45
doi: 10.18272/oi.v6i2.1679

Prevalence of dental caries and sociodemographic factors associated with its appearance in the school population of Mangahuantag, Puembo.
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description: Abstract The worldwide main cause of dental loss in children and adults is tooth decay, it has a multifactorial origin. Objective: To identify the sociodemographic factors associated with the presence of dental caries in school-age children in Mangahuantag, Ecuador. Materials and Method: Descriptive, cross-sectional observational study applying oral physical examination and a validated sociodemographic survey, during the oral health school care conducted by the local health center, between January and July 2019. Results: Children examined 126, caries prevalence 61.1%. 270 caries detected in temporary teeth. The ceo index reached 3.35, listed as moderate. The CPOD value was 1.01, considered very low index. Conclusion: Without recognizing the caries determining agents, adequate and effective prevention and treatment cannot be provided. Self-perception of oral health stands out as a factor susceptible to a change in hygienic and nutritional behavior.
subject: Artículos Odontopediatría
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creator: Fernando Ortega
rights: Copyright (c)
date: 2020-08-25
publication date: 2020-08-25
starting page: 12
ending page: 33
doi: 10.18272/oi.v6i2.1769

Alteraciones bucales en adultos diabéticos que acudieron a dos Facultades de Odontologia del Paraguay
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description: Diabetes in the geriatric population is a very frequent chronic condition, which can interact or cause various geriatric syndromes;the elderly adult diabetic is a problem of great sanitary importance, justified by its high prevalence, the difficulties for diagnosis, treatment and education, make it require a comprehensive evaluation of their physical condition and functional capacity, as acute and chronic complications they are more frequent and serious; the general dentist must be able to provide ambulatory care to healthy, at-risk, sick and sequelae people; as is diabetes in elderly adults that presents particularities in dental care. Therefore, this study was proposed whose objective was to identify the most frequent oral alterations in elderly adults and diabetic, the design was observational descriptive, cross-sectional and retrospective in which 105 patients from 58 to 65 years old participated, it has been observed that majority of the patients presented with cavities and periodontal disease, among the most frequent signs and symptoms, sensitivity and dental mobility were observed. The highest percentage of caries and periodontitis was observed in men
subject: Otras ciencias
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creator: derlys amarilla
creator: ANA MARCIA AMARILLA GUIRLAND
rights: Copyright (c)
date: 2020-07-31
publication date: 2020-07-31
starting page: 4
ending page: 11
doi: 10.18272/oi.v7i2.1719

Molar Incisor Hypomineralization (MIH) prevalence in children between 9-12 years old in children between 9-12 years of age belonging to two schools in Quito, Ecuador; between February and March 2018
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description: The Molar Incisor Hypomineralization (MIH) is a qualitative defect of the enamel that affects one or more definitive first molars, with or without commitment of the permanent incisors. The global prevalence of MIH ranges from 2.4% to 40% and, in South America, its average is 12.3%. The aim of this study is to estimate the prevalence of Molar Incisor Hypomineralization in schoolchildren between 9 and 12 years old through visual exploration. It was a cross-sectional, descriptive and qualitative study. 300 children from 9 to 12 years of age, who attended two schools in Quito, Ecuador, between February and March 2018, participated. They were examined by a calibrated operator. The diagnosis was established according to the criteria of the European Academy of Pediatric Dentistry and its severity according to Mathu - Muju and Wright criteria. The prevalence found was 13.7%. There is no association between the presence of HIM and the gender of the children. The majority of cases occurred in 10-year-old schoolchildren. The dental units most affected qualitatively and quantitatively were the first upper permanent molars. The dental units less affected qualitatively and quantitatively were the lower permanent lateral incisors.
subject: Artículos Rehabilitación Oral
  topic: section
creator: Nathaly Chavez
rights: Copyright (c)
date: 2020-02-24
publication date: 2020-02-24
starting page: 46
ending page: 57
doi: 10.18272/oi.v6i1.1627

Caliber-Persistent Labial Artery about a case
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description: The labial artery of persistent caliber is a relatively rare lesion that can be found in different organs such as the stomach, jejunum or lips; which appears as an arterial branch of abnormally large diameter for its superficial situation. The persistence of the caliber of the labial artery usually occurs in the lower lip, but there are reports of its location in the upper lip, palate and buccal vestibule. It is an entity of controversial etiology, clinically manifested as a swelling or erosion that must be taken into account whenever an intraoral examination is performed to avoid invasive treatments that cause profuse bleeding. The objective of this publication is to report the case of a patient who presented persistent arterial caliber in the upper lip.
subject: Artículos Rehabilitación Oral
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creator: Cinthya María Quisiguiña Salem
rights: Copyright (c)
date: 2020-02-26
publication date: 2020-02-26
starting page: 38
ending page: 45
doi: 10.18272/oi.v6i1.1491

THE Early treatment of pseudo class III with Eschler Arc. Case Report
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description: ABSTRACT Early treatment of malocclusion Class III returns harmony and functionality to the stomatognathic system by simplifying more complex corrective procedures. This type of treatment is important to provide the necessary conditions for growth and development of both the maxilla and jaw, making them become harmonious and thus avoiding unfavorable complications. This case exposes a 6-year-old female patient treated at the San Francisco de Quito University clinic. The patient presented class III malocclusion; her representative indicated that the patient possesses a class III hereditary pattern of her paternal family. The present case shows the use of Scheler's arch as a treatment option for this type of malocclusion in primary dentition after a precise diagnosis. Key words: Early treatment, malocclusion Class III, Scheler's Arch
subject: Artículos Rehabilitación Oral
  topic: section
creator: Catalina Navarrete
rights: Copyright (c)
date: 2020-02-26
publication date: 2020-02-26
starting page: 58
ending page: 67
doi: 10.18272/oi.v6i1.1670

Xerodermia Pigmentosa. Reporte de dos casos clínicos
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description: Xeroderma pigmentosa (XP) is an autosomal recessive disorder. It presents with cutaneous manifestations such as the appearance of stains, freckles, erythema, vesicles, carcinomas and melanomas in exposed areas of solar radiation, including skin and mucous membranes. In addition to eye injuries such as photophobia, conjunctivitis, ulcers, blindness and in some cases neurological alterations. We present two clinical cases of patients with a diagnosis of xeroderma pigmentosa with cutaneous, ophthalmological and oral manifestations. The objective of this article is to present the oral manifestations that occur in xeroderma pigmentosa, its early diagnosis, treatment and prevention of them. Keywords: xeroderma pigmentosa, melanoma, cancer, oral manifestations.
subject: Artículos Rehabilitación Oral
  topic: section
creator: Evelyn Andrea Olalla Lopez
rights: Copyright (c)
date: 2020-02-04
publication date: 2020-02-04
starting page: 24
ending page: 38
doi: 10.18272/oi.v6i1.1496

Immediate Implant placement into fresh extraction mandibular molars sockets with or without bone grafting. Clinical cases report.
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description: Objectives: The aim of this series of cases was to evaluate the differences and reactions of tissues around immediate implants placed in infected or noninfected sockets in mandibular molars, with or without bone graft placement. Methods: Four immediate implants were placed in infected or non-infected mandibular molar sockets in four patients. The patients were divided into 2 groups (n=2). In Group 1 a bone graft was placed and in Group 2 no bone graft was placed. Clinical and radiographic evaluations were performed 8 days and 4 months after implant placement in all patients. Results: At 4 months follow-up, both groups showed favorable bone-implant integration, and the survival rate of both groups was 100%. No greater difference was observed between the 2 groups to the radiographic evaluation at 8 days and 4 months related to changes in the level of the bone crest in the vertical and horizontal direction. No major differences were found in bone and soft tissue regeneration between cases where bone graft was placed, and in the cases where bone grafting was not used. Conclusions: Within the limitations of this study, we can conclude that immediate implant placement in infected or noninfected sockets in mandibular molars, with bone graft or without grafting does not present differences.
subject: Artículos Rehabilitación Oral
  topic: section
creator: Diego Robalino
rights: Copyright (c)
date: 2020-02-03
publication date: 2020-02-03
starting page: 4
ending page: 23
doi: 10.18272/oi.v6i1.1506