Analysis of temporomandibular joint structural abnormalities in orthodontic patients

Abstract

Abstract: PURPOSE: Temporomandibular joint (TMJ) problems are becoming more and more important in orthodontic patients. This study analyzed TMJ problems in orthodontic patients in order to provide reference for treating orthodontic patients with TMJ problems. METHODS: Two hundred and fifty five orthodontic patients were randomly selected in our department during the recent 2 years, including 80 males and 175 females, aged from 10 to 45 years old. X-ray film and MRI on TMJ of both sides at bite and open position were used to analyze TMJ problems. The results were analyzed with SPSS 17.0 software package. RESULTS: Of all 255 patients, 176 had TMJ problems, accounting for 69.02%. Of all 80 male patients, 48 had TMJ problems, accounting for 60.00%. Of all 175 female patients, 128 had TMJ problems, accounting for 73.14%, significantly higher than the male patients. CONCLUSION: The results showed that nearly two third of orthodontic patients have TMJ problems. Most patients have no obvious clinical symptom but at a potential risk for orthodontic treatment. Females are more susceptible to TMJ problems.

Key words: Orthodontic treatment, Temporomandibular joint, Structural abnormalities

CLC Number:

R782.6

LIU Jia-qiang, WU Yong, SUN Liang-yan, WANG Jie, ZHAO Jing-lei, DAI Qing-gang, FANG Bing.. Analysis of temporomandibular joint structural abnormalities in orthodontic patients[J]. China Journal of Oral and Maxillofacial Surgery, 2014, 12(4): 337-343.

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