Purpose: The purpose of the present study was to evaluate the accuracy of Dolphin imaging software, Version 11.8, in predicting soft and hard tissue changes after orthognathic jaw surgery.
Methods: In this retrospective study, pre- and postoperative cephalometry and photographs of 20 patients were scanned and inserted into Dolphin software version 11.8 and traced by the software. Cephalometric superimposition was performed before and after the operation to determine the extent of changes in each jaw. The software then simulated postoperative images according to the calculated changes for each patient.
Results: The results of this study showed that the upper lip had the highest accuracy in both sagittal and vertical axes. The highest reliability was in the upper lip with 80% error in the sagittal axis and tip of the nose with 80% error in the vertical axis. The lowest accuracy was for Men´ and the least reliable with 35% and 45% error frequency of <2 mm (in sagittal and vertical axis, respectively).
Conclusion: Based on the method used and the findings obtained by digital measurements, it can be concluded that dolphin imaging software version 11.8 can be used reliably to predict hard tissue as well as soft tissue especially upper lip area.