目的了解豫东地区青少年夜磨牙症的发生情况及相关影响因素。方法 2009年6月-2010年6月在豫东地区随机抽取18～22岁青少年,对受试青少年就夜磨牙情况进行问卷调查。采用Excel表格和SPSS 11.5软件进行数据处理。结果豫东地区青少年夜磨牙症发病率为10.4%。其中男10.7%,女10.1%,不同性别比较差异无统计学意义(P>0.05)。结论豫东地区青少年夜磨牙症发病率较高,应引起重视,关注和改善不良影响因素有利于预防和减少夜磨牙症的发生。 Objective To understand the incidence of bruxism in adolescents in the eastern part of Henan and related influential factors. Methods From June 2009 to June 2010, 18 to 22-year-old adolescents were randomly selected in the eastern part of Henan Province. Using Excel spreadsheet and SPSS 11.5 software for data processing. Results The incidence of bruxism in adolescents in eastern Henan was 10.4%. Among them, 10.7% were males and 10.1% females, with no significant difference between different genders (P> 0.05). Conclusion The prevalence of bruxism in adolescents in the eastern part of the country is high, which should be paid more attention to. The improvement and prevention of adverse factors are helpful to prevent and reduce the occurrence of bruxism.