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The aim of this study was to investigate the incidence of the pterygospinous and pterygoalar bony bridges and the variations in these bony bridges among Anatolians. A total of 452 adult dry skulls (258 males and 194 females) of the Anatolian population were investigated for both the pterygospinous and the pterygoalar bony bridges. In 80 of the 452 dry skulls (37 male and 43 female), it was possible to inspect the cranial cavity. In these skulls, sellar and sphenopetrous bridges were also investigated. In addition to this, the mandibular nerve of 9 fixed cadavers was carefully dissected and the distribution of its branches was determined on both sides. Complete pterygospinous osseous bridges were found in 5.5% of the samples and complete pterygoalar bridges in 4.9%. In the dry skulls with removed calvaria, complete sellar osseous bridges were found on both sides in 34.2% of specimens, complete pterygospinous bridges in 8.8% and complete pterygoalar bridges in 7.5%. No complete sphenopetrous bridges were found. In the cadaveric study, nerve entrapment due to a pterygoalar ligament on the left side was found in one cadaver. Such variations should be kept in mind in clinical complaints such as mandibular neuralgia, especially during chewing.
Peker et al. (Mon,) studied this question.