Abstract

ABSTRACT Objective: The aim of this study was to evaluate and compare the amount of preoperatively planned surgical movement of the maxilla and postoperatively obtained maxillary repositioning. Materials and Method: Thirty-one patients (16 female and 15 male) were included in this study. Fifteen combined maxillary advancement and impaction, 5 isolated maxillary impaction, and 11 isolated maxillary advancement surgeries were performed by the same surgical team. The 31 patients were divided into 2 groups: group 1 (GoGnSN≤38°) and group 2 (GoGnSN>38°). Various measurements from the horizontal and vertical reference lines were used to compare the predicted maxillary movement and the postoperatively obtained maxillary position. All variables were evaluated by Student's 2-tailed paired t tests. Results: There were statistically significant differences between the preoperatively planned and surgically obtained impaction movements of all evaluated landmarks, but no significant difference was seen between the plan...

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