Customized virtual surgical planning in bimaxillary orthognathic surgery: a prospective randomized trial

Objectives The aim of the present study was to compare conventional (CSP) versus customized virtual surgical planning (VSP) in bimaxillary orthognathic surgery. The primary goal was to compare the accuracy of defined angles. The secondary purpose was to analyze the accuracy of the splints, the time...

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Bibliographic Details
Published in:Clinical oral investigations 2019-07, Vol.23 (7), p.3115-3122
Main Authors: Schneider, Daniel, Kämmerer, Peer W., Hennig, Matthias, Schön, Gerhard, Thiem, Daniel G. E., Bschorer, Reinhard
Format: Article
Language:English
Subjects:
Accuracy
Costs
Dentistry
Humans
Imaging, Three-Dimensional
Jaw
Medicine
Occlusal Splints
Original Article
Orthognathic Surgical Procedures
Osteosynthesis
Patient Care Planning
Prospective Studies
Surgery
Surgery, Computer-Assisted
User-Computer Interface
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Summary:Objectives The aim of the present study was to compare conventional (CSP) versus customized virtual surgical planning (VSP) in bimaxillary orthognathic surgery. The primary goal was to compare the accuracy of defined angles. The secondary purpose was to analyze the accuracy of the splints, the time required for surgery, and the costs of both methods. Materials and methods A total of 21 patients ( n CSP  = 12; n VSP  = 9) treated by two-jaw orthognathic surgery were analyzed prospectively between the years 2014 and 2016. Customized VSP consisted of virtual planning as well as CAD/CAM printing of splints and pre-bent osteosynthesis plates. The evaluated parameters were the difference between planned and postoperative situation (SNA/SNB/ANB), accuracy of splints, time required for surgery (min), and total costs of planning (€). Results When compared to CSP, VSP appears to be a more accurate method for orthognathic treatment planning with significant differences in the angle outcome (SNA p  
ISSN:1432-6981
1436-3771
DOI:10.1007/s00784-018-2732-3