Dental malocclusion among juveniles in Hangzhou municipality
- Author:
Ji-Na HUANG
1
;
Gang-Mei XU
;
Jun-Chao ZHANG
;
Hong-Hui GU
Author Information
1. The Affiliated Stomatological Hospital, College of Medical Sciences, Zhejiang University, Hangzhou 310006, China.
- Publication Type:Journal Article
- From:
Journal of Zhejiang University. Medical sciences
2002;31(3):202-205
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVE: To investigate the prevalence rate, malocclusion type and treatment rate as well as awareness of malocclusion among children and adolescents living in the Hangzhou municipality. METHODS: 1818 children and adolescents ages 7 approximate, equals 16 living in Hangzhou municipality were evaluated. RESULTS: The overall malocclusion rate was 35.75%. In Angle's classification: Angle I 593 cases (32.62%), Angle II 48 cases(2.64%),Angle III 9 cases (0.49%). Among the malocclusion type of crowding was mixed dentition 70.66%,permanent dentition 85.89%. In the overjet malocclusion mixed dentition was noted in 60.57% and permanent dentition in 51.05%.The type of overbite was mixed dentition 67.82%,permanent dentition 31.23%. In the crossbite of anterior teeth mixed dention was noted in 12.30% and permanent dention in 9.91%. Overall treatment rate for malocclusion was 10.15%.CONCLUSION: Among Hangzhou municipality juveniles there is both inadequate prevention and treatment of dental malocclusion.
