University Center, UniFTC, Salvador, Bahia, Brazil.
Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil.
Cranio. 2024 Jan;42(1):48-54. doi: 10.1080/08869634.2021.1903663. Epub 2021 Mar 25.
To evaluate the prevalence of sleep bruxism, related factors, and quality of life of preschool children and their families.
The sample was 475 children between 4 and 5 years old enrolled in schools in the city of Bauru-Brazil. Parents/legal guardians answered two questionnaires, one to assess the presence of bruxism and related factors and another that was the validated Brazilian version of the Early Childhood Oral Health Impact Scale (B-ECOHIS). Intraoral clinical examination was performed by two trained examiners (Kappa = 0.82) within the school environment. The data were analyzed using statistics and the Mann-Whitney, Kruskal-Wallis, and Spearman correlation coefficient. The significance level was < 0.05.
The prevalence of sleep bruxism was 47.4%. The highest prevalence was related to Class I canines and marked overjet, oral habits, such as nail biting, lip biting, chewing gum, and mouth breathing. Children with agitated sleep, reports of headache, and those considered aggressive, anxious, and/or shy were also more related. In the studied sample, sleep bruxism prevalence was high and related to important oral and general factors. Data also indicated SB as the main factor that interfered in the OHRQoL of children and their families.
评估学龄前儿童及其家庭的磨牙症患病率、相关因素和生活质量。
该样本包括来自巴西包鲁市学校的 475 名 4 至 5 岁儿童。家长/法定监护人回答了两份问卷，一份用于评估磨牙症的存在及其相关因素，另一份是经过验证的巴西版幼儿口腔健康影响量表（B-ECOHIS）。在学校环境中，由两名经过培训的检查者（Kappa = 0.82）进行口腔内临床检查。使用统计学方法和曼-惠特尼、克鲁斯卡尔-沃利斯和斯皮尔曼相关系数对数据进行分析。显著性水平为 < 0.05。
磨牙症的患病率为 47.4%。最高的患病率与 I 类尖牙和明显的覆𬌗、口腔习惯有关，如咬指甲、咬唇、嚼口香糖和口呼吸。睡眠不安、头痛报告以及被认为具有攻击性、焦虑和/或害羞的儿童也更为相关。在研究样本中，磨牙症的患病率较高，与重要的口腔和一般因素有关。数据还表明 SB 是影响儿童及其家庭 OHRQoL 的主要因素。
