Prevalence of malocclusion, oral parafunctions and temporomandibular disorder‐pain in Italian schoolchildren: An epidemiological study

过喷 医学 错牙合 覆岩 牙科 优势比 流行病学 臼齿 牙痛 口腔正畸科 内科学
作者
Stefania Perrotta,Rosaria Bucci,Vittorio Simeon,Stefano Martina,Ambra Michelotti,Rosa Valletta
出处
期刊:Journal of Oral Rehabilitation [Wiley]
卷期号:46 (7): 611-616 被引量:51
标识
DOI:10.1111/joor.12794
摘要

The prevalence of malocclusion, temporomandibular disorders (TMD) and oral parafunctions is highly debated in children population.To investigate the prevalence of malocclusion, self-reported oral parafunctions and TMD-pain in Italian schoolchildren and to assess the association between the examined factors.A total of 700 children aged 9-11 years were selected among six public schools in Campania region (Italy). Molar relationship, overjet, overbite and cross-bite were assessed through a clinical examination. Furthermore, the subjects were demanded to fill in a validated questionnaire for TMD-pain screening and the short form of the Oral Behaviours Checklist. Descriptive statistics were used to report the frequencies. The associations between occlusal traits, oral parafunctions and TMD-pain were analysed with a Pearson chi-square test, as expressed by odds ratio and 95% confidence intervals. The significance level was set at P < 0.05.Molar Class I was the most frequently encountered molar relationship, followed by molar Class II, subdivision and molar Class III. Increased overjet was more common than negative overjet. Posterior cross-bite was observed in 12% of children. TMD-pain was recorded in 14.7% of subjects. High frequency of oral parafunctions was reported in 21.3% of subjects. A significant association was found between TMD-pain and negative overbite. Cross-bite and high frequency of oral parafunctions were associated with TMD-pain.The current results show that malocclusion, self-reported oral parafunctions and TMD-pain are frequent findings among Italian schoolchildren and that some occlusal factors and high frequency of oral parafunctions might be associated with TMD-pain.
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