アブストラクト（29巻2号：The Bulletin of Kanagawa Dental College）

The Bulletin of Kanagawa Dental College

English

Title　： An Evaluation of the Condylar Movement during Simulated Bruxism in Normal, TMD and Bruxist Groups
Subtitle　： ORIGINAL ARTICLES
Authors　： Dennis C.Lim, Masaaki Kaneko, Errol P.Hernandez, Sadao Sato
Authors（kana）　：
Organization　： Department of Orthodontics, Kanagawa Dental College
Journal　： The Bulletin of Kanagawa Dental College
Volume　： 29
Number　： 2
Page　： 61-66
Year/Month　： 2001 / 9
Article　： Original article
Publisher　： Kanagawa Odontological Society
Abstract　： [Abstract] The purpose of this study was to investigate condylar movement during simulated bruxism and to further examine and compare the effects of facet inclination to condylar movement for control, temporomandibular disorder (TMD) and bruxist subjects. Sixteen subjects were utilized in this study in the control group and thirty subjects each in the TMD and bruxist groups. The Bennett side shift width, translatory and rotational movement of the condyles during simulated bruxism were calculated by means of the computer-aided axiography (CADIAX(R)). The individual facet inclinations were recorded using a 3D digitizer. The results revealed a significant difference among the three groups in terms of translatory movement and Bennett side shift width. The control group also showed a greater tendency for negative rotational movement, while the TMD and brux groups revealed a positive rotational movement of the condyles during simulated bruxism. With regards to the relationship of facet inclination to horizontal condylar inclination (HCI), although not statistically significant, there was a tendency for a negative condylar movement if the facet inclination was flatter than HCI and vice versa.
Practice　： Dentistry
Keywords　： Axiograph, Bruxism, TMD, Occlusal guidance