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    Cone beam computed tomography imaging of ponticulus posticus: prevalence, characteristics, and a review of the literature
    (Elsevier Science Inc, 2014) Bayrakdar, Ibrahim Sevki; Miloglu, Ozkan; Altun, Oguzhan; Gumussoy, Ismail; Durna, Dogan; Yilmaz, Ahmet Berhan
    Objective. The aim of this study was to investigate the frequency of ponticulus posticus (PP) using cone beam computed tomography (CBCT) and to describe the radiologic characteristics of the detected cases. Study Design. The presence and types of PP were investigated on 730 CBCT images. Results. PP was found in 17.4% (127) of the 730 CBCT scans. Of these 127 patients, 79 (10.8%) had bilateral PP and 48 (6.6%) had unilateral PP. Male predominance was found with a prevalence of 19.5% (54 of 277) and female prevalence was 16.1% (73 of 453). The prevalence of PP increased with age; the highest prevalence of PP was seen in those who were 49 to 81 years of age. Conclusions. This study shows that PP is not an uncommon anatomic variation and is a natural incidental finding on CBCT.