Radiographic study of mandibular asymmetry.
- Author:
Yeon Hwa JEONG
1
;
Bong Hae CHO
Author Information
1. Department of Oral & Maxillofacial Radiology, College of Dentistry, Pusan National University, Korea.
- Publication Type:Original Article
- MeSH:
Humans;
Temporomandibular Joint
- From:Journal of Korean Academy of Oral and Maxillofacial Radiology
1998;28(1):193-204
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
The purpose of this study was to perform the radiographic measurements and temporomandibular joint evaluation in mandibular asymmetry. For this study, thirty-two patients who have mandibular asymmetry were selected and submentovertex, panoramic and lateral corrected tomographic radiagraphs were taken. Horizontal and vertical analysis using various landmarks on these radiographs were performed. Also radiographic and clinical evaluation of temporomandibular joint were obtained. Ther results were as follows ; 1. On the submentovertex radiograph, the mean distance of Pogonion to midline was 5.0(+/-)3.8mm. 2. The mean distance of Pogonion to Gonion between the deviated and the contra-lateral side(P<0.001). 3. The distance difference of Pogonion to Gonion between the deviated and the contra-lateral side was significantly realated to the degree of asymmetry(P<0.001). 4. On panoramic radiagraph,the condylar height of the contral-lateral side was significantly longer than the one of the deviated side(P<0.001). 5. On lateral corrected tomogram, bony of temporomandibular joint was observed in 11 condyles of the deviated side and 9 condyles of the contra-lateral side. Erosion and ostephyte were the most common changes in both the deviated and the contra-lateral sides.
