Abstract
Panfacial fractures are challenging for craniofacial surgeons. Aside from involving multiple subunits, they also lack the reliability of a useful landmark of the facial skeleton. Properly, reducing and fixing palatal fracture to re-establish the premorbid maxillary dental arch is important. This was a retrospective study conducted from 2015 to 2020. All patients underwent computed tomography (CT) scan for surgical planning of orthognathic surgery due to either esthetic or occlusion concerns. The classification of occlusion was recorded as class I, II, and III. The parameters measured on CT were the distance between the midpoint of the supra-orbital foramen/notch (IS), mesio-buccal cusp tips (IB), central fossa (IC), palatal cusp tips (IP), and the midpoint of the palatal marginal gingiva (IM) of the bilateral maxillary first molars. The IS was compared with the IB, IC, IP, and IM. The results were analyzed by using one-way repeated measurement analysis of variance. Eighty-seven patients (36 men and 51 women) were included in the study. There were 13 patients of class I malocclusion, 8 of class II malocclusion, and 66 of class III malocclusion. The IS was comparable to the IC in all three groups. The IS can predict the IC, regardless of the patient's occlusion, and can be subsequently used to decide the width of maxillary dental arch in panfacial fracture management. Further studies are necessary to obtain more definite results.
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