Comparison of Dental Ages Estimated according to Oral Habit for the Patients with Temporomandibular Disorders

측두하악장애환자의 구강습관에 따른 치아감정연령의 비교

  • Lee, Won-Seop (Department of Oral Medicine, School of Dentistry, Dankook University) ;
  • Kim, Ki-Suk (Department of Oral Medicine, School of Dentistry, Dankook University)
  • 이원섭 (단국대학교 치과대학 구강내과학 교실) ;
  • 김기석 (단국대학교 치과대학 구강내과학 교실)
  • Published : 2007.12.30

Abstract

This study was performed to investigate the dental ages of the patients with temporomandibular disorders(TMD), using a method of age estimation by dental attrition, and to compare the differences of dental ages between control and experimental groups. In addition, they were compared according to oral habit. Clinical evaluations for the tooth attrition were to examine the study models of 65 TMD patients (mean age of 26.6 years, aged 18 to 40) had visited to the Department of Oral Medicine and Orofacial Pain Clinic, Dental Hospital, Dankook University as a experimental group and 22 volunteers (mean age of 25.4 years, aged 23 to 36) without TMD as a control group. Age differences were calculated subtracting real age from estimated age. Age differences between experimental and control groups were compared statistically between groups classified according to oral habit. As a results, dental age was increased significantly in TMD patients compared with normal subjects. Oral parafunctions which increased dental age were bruxism, clenching and heavy chewing in order. Conclusively, it should be consider that there can be much discrepancy between real age and age estimated by dental attrition in patients with TMD. In addition, it is suggested that dentists should try to protect the tooth from attrition by various parafunction on treating the patients with TMD.

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