Prevalence of symptoms of temporomandibular disorders, oral behaviors, anxiety, and depression in Dentistry students during the period of social isolation due to COVID-19

Abstract Temporomandibular dysfunction (TMD), anxiety, and depression are disorders that, due to the current lifestyle, are affecting an increasing portion of the population. Investigating the prevalence of the symptoms of these disorders during the quarantine due to the coronavirus 2019 pandemic (COVID-19) is important to outline clinical strategies for patient care. Objective: This study assessed the prevalence of TMD symptoms, anxiety, depression, and oral behaviors and their associations during the social isolation due to COVID-19. Methodology: Questionnaires were used to assess TMD symptoms in accordance with the Diagnostic Criteria for Temporomandibular Disorders: clinical protocol and assessment instruments, a questionnaire to verify oral behaviors and Hospital Anxiety and Depression Scale to assess symptoms of anxiety and depression in students of dentistry at the Faculty of Health Sciences of the University of Brasília in May 2020. Qualitative data were subjected to descriptive statistics and chi-squared analysis (p摘要：颞下颌关节紊乱病（Temporomandibular dysfunction, TMD）、焦虑与抑郁均为受当代生活方式影响，患病人群占比持续升高的疾患。探究2019冠状病毒病（COVID-19）疫情隔离期间上述病症的症状患病率，对于制定患者临床照护策略具有重要意义。研究目的：本研究旨在评估新冠疫情社会隔离期间，颞下颌关节紊乱病症状、焦虑、抑郁及口腔行为的患病率及其相关性。研究方法：2020年5月，针对巴西利亚大学健康科学学院的牙科学生，采用符合《颞下颌关节紊乱病诊断标准：临床方案与评估工具》的问卷评估颞下颌关节紊乱病症状，使用口腔行为调查问卷及医院焦虑抑郁量表（Hospital Anxiety and Depression Scale）评估其焦虑与抑郁症状。对定性数据开展描述性统计分析与卡方检验（p