摘要
目的:调查西安地区青少年融合牙的发生情况及分布特点。方法:采用流行病学调查方法,对西安市6所中学及大学3868名13~23岁青少年进行口腔检查。结果:3868名青少年中融合牙发生率为2.77%,男女性别之间无统计学差异;融合牙主要发生于下颌的前牙区,下颌占85.05%,上颌占14.95%。安氏Ⅰ类、Ⅱ类、Ⅲ类融合牙的发病率分别为33.33%、46.67%和20%。其安氏Ⅰ类下颌融合牙的好发部位依次为:C3C2、D1D2、D2D3、C2C1、C1D1、其它。结论:融合牙有一定的发生率,给正畸矫治带来麻烦,影响正常覆合覆盖关系。口腔科医生应予重视并及时处理。
Objective: To clarify the occurence and distribution of mandibular fused tooth in class Ⅰ malocclusion in xi'an. Methods: By using epidemiological survey, 3868 teenagers were examined, who aged from 13 to 23 years in 6 middle schools and colleges. Results: Of 3868 teenagers investigated, fusion of the teeth were (2.77 percent) without sex predilection, mainly located in the anterior region, more frequently in the mandibular ( 85.05 percent). The incidence of fused teeth in class Ⅰ , Ⅱ, Ⅲ were 33.33% , 46.67% , 20% respectively. The fused teeth in mandible of class Ⅰ malocclusion typically occurred in sequence of C3C2, D1D2, D2D3, C2C1, C1D1. Condusion: The occurence of fused teeth may cause some complications. Dentists should pay attention to the fused teeth occured in young people.
出处
《口腔医学研究》
CAS
CSCD
2007年第3期336-337,共2页
Journal of Oral Science Research
关键词
融合牙
青少年
流行病学调查
Fused teeth Teenagers Epidemiological survey