The Effectiveness of Age Estimation Method by Occlusal Tooth Wear in Temporomandibular Disorder(TMD) Patients

측두하악장애 환자에서 치아 교모도에 의한 연령감정의 유효성

  • Jeong, Jae-Yong (Dept. of Oral Medicine & Diagnosis, College of Dentistry, Kangnung National University) ;
  • Kim, Young-Jun (Dept. of Oral Medicine & Diagnosis, College of Dentistry, Kangnung National University) ;
  • Kim, Cheul (Dept. of Oral Medicine & Diagnosis, College of Dentistry, Kangnung National University) ;
  • Park, Moon-Soo (Dept. of Oral Medicine & Diagnosis, College of Dentistry, Kangnung National University)
  • 정재용 (강릉대학교 치과대학 구강내과진단학 교실) ;
  • 김영준 (강릉대학교 치과대학 구강내과진단학 교실) ;
  • 김철 (강릉대학교 치과대학 구강내과진단학 교실) ;
  • 박문수 (강릉대학교 치과대학 구강내과진단학 교실)
  • Published : 2008.09.30

Abstract

The purpose of this study was to estimate occlusal tooth wear and bruxism severity in TMD patients, and evaluate the effectiveness of the present age estimation method by occlusal tooth wear in TMD patients. Takei's age estimation method was applied to 163 subjects(56 controls, 107 TMD patients). The author analyzed the degree of occlusal tooth wear from the difference between estimated age and actual age. The obtained results were as follows: 1. In all age group, occlusal tooth wear in TMD patients is higher than those in asymptomatic controls. In 20's age group, a statistically significant difference was found. 2. In both gender, occlusal tooth wear in TMD patients is higher than those in asymptomatic control. In male, a significant difference was found. 3. Occlusal tooth wear in TMD patients with bruxism is significantly higher than that in control. 4. We found no significant difference in bruxism severity and occlusal tooth wear among the RDC/TMD subgroups. 5. Application of Takei's method would be still useful for age estimation in Korean. In case of age estimation of TMD patients using occlusal tooth wear, evaluation of the bruxism severity and appropriate correction according to age, sex and difference of geographical location should be considered.

Keywords

Temporomandibular disorder;Bruxism;Occlusal tooth wear;Takei's age estimation method

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