Alveolar and mandibular cortex bone status in individuals with type 1 diabetes mellitus: a cross-sectional paired study / Condição óssea alveolar e da cortical mandibular em indivíduos com diabetes mellitus tipo 1: um estudo transversal pareado

Aim: This study compared alveolar bone loss, teeth with furcation, and mandibular cortical modification between individuals with type 1 diabetes mellitus (T1DM) and nondiabetic individuals. Methods: Radiographs of 50 T1DM individuals and 100 nondiabetic individuals were examined to evaluate the presence of teeth with furcation, alveolar bone loss, and mandibular cortical modifications. The Mann-Whitney, Chi-square, and Student's t tests were used to analyze personal characteristics and bone status. Linear and logistic regression was performed to explore associations. Results: A significant difference was observed in the average number of teeth with furcation and in the median of alveolar bone loss between T1DM and the nondiabetic participants. T1DM individuals are more likely to have alveolar bone loss (OR = 3 2.250), teeth with furcation (OR = 8.903), and mandibular cortical modification (OR = 15.667) than are nondiabetic individuals. Among T1DM individuals, the glycemic control has a high influence in mandibular cortical modifications (p < 0.05). Conclusions: A high association between uncontrolled blood glucose and mandibular cortical modifications was observed among T1DM individuals. Alveolar bone loss of T1DM individuals was associated with age, time of diagnosis, glycemic control, and the existence of chronic complications.

Objetivo:Comparar a perda óssea alveolar, a presença de dentes com lesão de furca e a alteração da cortical óssea entre indivíduos com DMT1 e indivíduos não-diabéticos. Métodos: Foram examinadas radiografias de 50 indivíduos diabéticos e de 100 não-diabéticos para avaliar a presença de dentes com lesão de furca, perda óssea alveolar e alteração cortical mandibular. Para analisar as características individuais e as condições ósseas foram usados os testes de Mann-Whitney,Qui-quadrado e t de Student. Regressões linear e logística foram realizadas para identificar associações. Resultados: Foi encontrada diferença significativa na média de dentes com lesão de furca e na mediana da perda óssea alveolar entre diabéticos e não-diabéticos. Indivíduos com DMT1 possuem mais chance de apresentar perda óssea alveolar (OR = 32,250), lesão de furca (OR=8,903) e alteração da cortical mandibular (OR = 15,667) em comparação aos indivíduos não-diabéticos. Entre os diabéticos, o controle da glicemia possui grande influência nas alterações da cortical mandibular (p < 0,05). Conclusões: Existe uma alta associação entre os níveis de glicemia descontrolada e alterações na cortical mandibular entre os indivíduos com DMT1. A perda óssea alveolar de indivíduos com DMT1 foi associada aos fatores idade, tempo de diagnóstico, controle da glicemia e a presença de complicações crônicas.

The 100 Most-Cited Papers in Dentin Hypersensitivity: A Bibliometric Analysis

ABSTRACT Objective: To identify the 100 most-cited articles in DH and analyze their characteristics. Material and Methods: A search was performed on the Web of Science (WoS) and the 100 most-cited articles were selected. The following data were extracted: citations, year of publication, authorship, institution, country, journal, language, study design, topic of interest, conflict of interest (COI), and sponsorship. The VOSviewer software was used to visualize bibliometric networks. Poisson regression analysis was performed to measure associations between several citations and the characteristics of the studies. Results: The number of citations ranged from 346 to 48. The most-cited article was published in 1997 by Holland in the Journal of Clinical Periodontology. This journal published the most papers, followed by the Journal of Oral Rehabilitation and Journal of Dentistry. Laboratory research, review, and clinical trial were the study designs most prevalent. Reviews (p<0.05; PR= 1.853) and method development studies (p<0.05; PR= 1.853) had a more chance to present more citations. The main topics of interest were the clinical effectiveness of desensitizers and in vitro analysis of dentin morphology. Sponsorship and COI were underreported. England and USA presented the greatest number of citations and connections in the coauthorship network map. Conclusion: Most of the articles were original research, and their topics of interest were mainly the clinical effectiveness of desensitizing agents and dentin morphology.

Depression, anxiety and stress among dental students during COVID-19 pandemic and distance learning / Depressão, ansiedade e estresse entre estudantes de Odontologia durante a pandemia da COVID-19 e o ensino remoto

This study aimed to measure the levels of depression, anxiety and stress among dental students during the COVID-19 pandemic and distance learning.This cross-sectional questionnaire-based survey was conducted at a Brazilian school of Dentistry, between July and August, 2020. The participants were surveyed using the adapted and validated version of Depression, Anxiety, and Stress Scale (DASS-21) questionnaire. The Fisher's exact test and bivariate logistic regression analysis were performed to analyze the data, using SPSS software. A total of 120 dental students (response rate of 87.60%) participated in the study; 75.8% of them were female and the mean age was 23.35 years old (± 6.07). Most students were single (85%), studied full time (68.3%) and had no employment (70.8%). Some level of depression, anxiety and stress was observed in 64.2%, 67.5% and 61.7% of the students, respectively. The severity of the depression, the anxiety and the stress was significantly associated (p < 0.05) with the student's gender, fear of contracting COVID-19 and with thecondition of having a family member who has already had COVID-19. Female students, students who were fear of contracting COVID-19 and who had a familiar or a friend diagnosed with COVID-19 presented more chances of developing a high level of depression, anxiety or stress.We concluded thatdental students had high levels of depression, anxiety and stress during the COVID-19 pandemic and distance learning. This study suggests that the mental health of dental students should be carefully monitored during theCOVID-19 pandemic (AU).

Este estudo teve como objetivo mensurar os níveis de depressão, ansiedade e estresse entre estudantes de Odontologia durante a pandemia da COVID-19 e o ensino à distância. Esta pesquisa transversal, realizada por meio de um questionário on-line, foi realizada em uma Faculdade de Odontologia do Brasil, entre julho e agosto de 2020. Os participantes foram avaliados por meio da versão adaptada e validada do questionário Escala de Depressão, Ansiedade e Estresse (DASS-21). Para análise dos dados foram realizados o Teste Exato de Fisher e a Análise de Regressão Logística Bivariada, por meio do software SPSS. Participaram do estudo 120 estudantes de odontologia (taxa de resposta de 87.60%). Destes, 75.8% deles eram do sexo feminino e a média de idade foi de 23,35 anos (± 6,07). A maioria dos alunos era solteira (85,0%), estudava em tempo integral (68,3%) e não tinha vínculo empregatício (70,8%). Algum nível de depressão, ansiedade e estresse foi observado em 64,2%, 67,5% e 61,7% dos alunos, respectivamente. As gravidades da depressão, da ansiedade e do estresse estiveram significativamente associadas (p <0.05) ao sexo do aluno, ao medo de contrair a COVID-19 e à condição de ter um membro da família que já teve a COVID-19. Estudantes do sexo feminino, estudantes com medo de contrair a COVID-19 e que tiveram um familiar ou amigo com diagnóstico de COVID-19 apresentaram maiores chances de desenvolver um alto nível de depressão, ansiedade ou estresse. Concluímos que os estudantes de odontologia apresentaram altos níveis de depressão, ansiedade e estresse durante a pandemia da COVID-19 e o ensino à distância. Este estudo sugere que a saúde mental dos estudantes de odontologia deve ser monitorada cuidadosamente durante a pandemia da COVID-19 (AU).