Prevalence of Torus Palatinus and Torus Mandibularis in Patients attending Dental Department of Rajavithi Hospital, Bangkok

Abstract

The purposes of this study was to report on the prevalence, shape, and location of torus palatines (TP) and torus mandibularis (TM), and to assess their gender and age-related differences among 519 Thai dental patients attending Dental Department in the Rajavithi Hospital, Bangkok, Thailand. The prevalence of TP and TM was 58.57 percent and 25.43 percent, respectively.TP was significantly more common in female than in male (64.46% versus 42.96%, p<0.05). Most of TP were found in spindle shape (34.87%), smaller than 2 cm in size (91.45%), and were commonly located at premolar to molar area (86.84%). The prevalence of TM was similar between male and female (29.63% in men versus 23.96% in women, p>0.05). It occurred most commonly in bilateral multiple pattern and was often located at anterior to premolar area (58.33%).