Coronavirus disease 2019 (COVID-19) is a highly communicable acute respiratory infection, which has been declared a pandemic by the World Health Organization. In accordance with government policies for health prevention and social isolation, the virtuality of the entire education system was approved, including careers with a strong practical component such as health sciences; which led to the adaptation of study plans and programs, as well as the immersion of the use of virtual platforms, generating a discovery of new forms of learning both in the theoretical and practical areas, however, at the same time, certain repercussions were generated in practical and psychomotor skills and abilities; also opening a gap between inequality in access to technologies.

Objective. To report the epidemiological profile and the presence of polymorphisms of the IFR6 (rs2235371) and TGFA (rs3771494) genes, in individuals with non-syndromic cleft lip and palate. Methods. Case series study, focused on individuals with orofacial clefts, referred to the School of Dentistry of Durango, Mexico, for review and assessment within the period from January 2018 to December 2019. Information of interest for the study was obtained on the characteristics of pregnancy and family history of the mothers of the individuals. For the analysis and description of the data, the statistical software R Studio was used. Results. There was a higher frequency of men (67%), most of the individuals had the diagnosis of cleft lip and palate at birth (75%), the extension of the complete affection (75%), the left side affected (63%), and corrective surgeries (62%). Only 4% were exposed to m...

Objective. The purpose of this study was to compare the changes by conical beam computed tomography in the condylar positioning of Class III patients before and after a sagittal osteotomy of the bilateral mandibular ramus in Class III indicated for mandibular retroposition. Methods. Thirty patients were analyzed, 16 women and 14 men with an age range of 15 to 40 years and untreated Class III dentofacial deformity who were attended by diagnostic consultation during the period from 2013 to 2016 at the “General Ignacio Zaragoza” Regional Hospital (CDMX, Mexico), performing measurements of the condylar position in three stages: presurgical, intermediate (4 days after surgery) and final (9 months after surgery), in two planes: sagittal section and coronal section. Results. No significant difference was observed in the anterior, central and posterior spaces before (2.56 ± 0.55 mm; 1.78 ±...

Objective. The purpose of this study was to compare the changes by conical beam computed tomography in the condylar positioning of Class III patients before and after a sagittal osteotomy of the bilateral mandibular ramus in Class III indicated for mandibular retroposition. Methods. Thirty patients were analyzed, 16 women and 14 men with an age range of 15 to 40 years and untreated Class III dentofacial deformity who were attended by diagnostic consultation during the period from 2013 to 2016 at the “General Ignacio Zaragoza” Regional Hospital (CDMX, Mexico), performing measurements of the condylar position in three stages: presurgical, intermediate (4 days after surgery) and final (9 months after surgery), in two planes: sagittal section and coronal section. Results. No significant difference was observed in the anterior, central and posterior spaces before (2.56 ± 0.55 mm; 1.78 ±...

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