A retrospective evaluation of the morphologic features of the glenoid fossa using cone beam computed tomography

Year 2022, Volume: 2 Issue: 2, 100 - 104, 25.08.2022

Nida Geçkil

Abstract

Background The aim of this study is to examine the morphologic features of the glenoid fossa according to age and gender.
Materials and Methods CBCT images of 764 temporomandibular joints (TMJ) were analyzed retrospectively. The shape of the glenoid fossa was examined in four groups as deformed, flattened, sigmoid and box. These groups were evaluated separately for both sexes and for five separate decades.
Results Sigmoid and flattened shaped glenoid fossa were more common in men, and box shaped glenoid fossa was more common in women (p<0.05). The sigmoid shape was observed in the 30-39 age range, the box shape was observed in the 40-49 age range, and the flattened and deformed shape in the 60-69 age range was significantly higher (p<0.05).
Conclusions While the sigmoid shape of the glenoid fossa is common in men, the box shape is more common in women. Deformed and flattened shapes increased with age. The box shape of the glenoid fossa may be a predisposing factor for disc displacement in women. Flattened and deformed forms can be interpreted as different forms of the bone remodeling process.

Keywords

shape of the glenoid fossa, cone beam CT, temporomandibular joint, oral radiology, anatomy

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