Unilateral condylar bone deformity and slope of articular eminence related to mandibular asymmetry.
The present study was undertaken to investigate the correlation between condylar position, articular eminence morphology, and mandibular deviation using helical CT in a group of 22 female subjects (mean age 19.2+/-5.3 years) with mandibular deviation. There was a significant difference in the angles of the posterior-slope of the articular eminence (PSA) between the deviated (44.27+/-10.29 degrees) and non-deviated (42.50+/-9.90 degrees) sides. Mandibular deviation also correlated significantly with both medial joint space (r=0.581) and the PSA (r=0.653). A significant negative correlation was also found between mandibular deviation and the anterior/posterior joint space ratio (r=-0.450). These results demonstrated that patients with mandibular deviation possibly show asymmetries not only in their glenoid fossa morphology but also in their condylar position.
Yahata
Makoto
M
Division of Orthodontics, Department of Oral Biological Science, Graduate School of Medical and Dental Sciences, Faculty of Dentistry, Niigata University, Niigata, Japan. yahatam@dent.niigata-u.ac.jp
Yamada
Kazuhiro
K
Hayashi
Takafumi
T
Saito
Isao
I
D002508:Cephalometry; D005146:Facial Asymmetry / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008335:Mandibular Condyle / Q000002:abnormalities* / Q000000981:diagnostic imaging*; D036542:Tomography, Spiral Computed; D055815:Young Adult