“…In literature, various radiological imaging modalities such as submentovertex projection radiography (SPR) [3,8,25,36,38], magnetic resonance imaging (MRI) [6,12,13,29,32,35], computed tomography (CT) [5,9,15,23,27,33], and CBCT [2,14] have been used alone or combined in studies for measuring the HCA to date. In studies that used SPR, the HCA was found associated with disc position while not associated with osseous changes [8,25,36,38]. In MRI studies, generally, a greater mean HCA was reported in TMJs with disc displacement and osseous changes [6,13,27,29,31,35,36].…”