Evaluation of 3D planning in orthognathic surgery
DOI:
https://doi.org/10.2340/aos.v84.44805Keywords:
virtual surgical planning, orthognathic surgery, 3D planningAbstract
Objective: The use of virtual surgical planning (VSP) in orthognathic surgery is increasing. The aim of this study was to investigate which type of dentofacial deformity makes the surgeon choose VSP and if VSP influences the choice of surgical techniques. Furthermore, we sought to evaluate if use of VSP affects surgical time and blood loss during surgery.
Material and methods: Patients having undergone orthognathic surgery and registered in the Swedish quality registry for orthognathic surgery (NROK) between 2018 and 2019 were eligible for inclusion in this study. An evaluation of the usage of VSP was performed together with an analysis of operation time and bleeding during surgery. A total of 862 patients were evaluated.
Results: Out of the 862 patients who had orthognathic surgery, 224 were VSP cases. Patients diagnosed with maxillary retrusion (p = 0.0024), maxillary vertical hyperplasia (p < 0.001), mandibular protrusion (p = 0.0031), laterogenia (p < 0.001) or craniofacial deformity (p = 0.0033) were more often digitally planned. Patients who underwent VSP and bimaxillary surgery showed a tendency of reduced operating time andless bleeding during surgery; however, the results were inconclusive.
Conclusion: The present study shows that VSP was used more frequently in patients with maxillary retrusion, maxillary vertical hyperplasia, mandibular protrusion, laterogenia, and craniofacial deformity in comparison with other diagnoses. Alongside the findings that VSP cases had more diagnoses per patient and that a larger number of surgical procedures were performed in this group, this indicates a preference for using digital planning in more complex orthognathic cases.
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Copyright (c) 2025 Klas Strindlund, Payam Farzad, Lars Rasmusson, Carina Cardemil
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Acta Odontologica Scandinavica publishes high quality original research papers as well as critical reviews relevant on diseases of the oral cavity, their treatment, epidemiology and associated biomaterials and their development.
