Tình trạng khớp cắn của một nhóm sinh viên trường đại học Y - Dược, Đại học Thái Nguyên

Objective: to estimate the rate of malocclusion disorders in Edward H. Angle's classification and to remark on overbite and overjet incisor on a group of students in Thai Nguyen University of Medicine and Pharmacy. Method: this cross-sectional study was conducted on a sample of 170 students who are studying at Thai Nguyen University of Medicine andPharmacy. The participants were interviewed with a questionaire. Then they were examined and marked a occlusion and a checkbite wax. Pattern of occlusion were analyzed to determine the malocclusion and overbite, overjet. The results showed that 90,59 percent students had malocclusion, the rate of malocclusion categorized by Angle was CLI: 23,53 percent; CLII : 28,24 percent ; CLIII: 38,82 percent. The rate of overbite was 14 mm: 81,18 percent. The rate of overjet was 2-4 mm: 63,53 percent. There was no significant relationship between gender and malocclusion. In conclusion: The rate of malocclusion of the participants was high (90,6 percent), in which the rate of wrong malocclusion and wrong overbite-overjet was high. It require to adjust occlusion to the physiologic occlusion.