BACKGROUND AND AIM: The goal of this study was to analyze the validity and prediction accuracy of a newly-developed procedure for three-dimensional soft tissue prediction based on Finite Element Method, and to compare the results with prediction produced using an existing two-dimensional prediction program (Dentofacial Planner Plus). PATIENTS AND METHODS: In twelve patients who underwent combined surgical-orthodontic treatment, profile prediction was generated using both procedures preoperatively and then compared at predefined measurement points with the patient's actual postoperative soft tissue status. RESULTS: The deviations observed depended on the facial region, whereby the prediction errors for both procedures were much greater in the lower facial third than in the midfacial third. Calculating in all the measurement points, the mean horizontal prediction error was 0.32 mm for the Finite Element Method and 0.75 mm for the Dentofacial Planner Plus. Overall, we were able to demonstrate the new procedure's superior validity and quality of visualization. In addition to profile prediction, the procedure allows a differentiated three-dimensional assessment of esthetically important regions such as the cheeks, nasolabial folds and the nasal wings. Additional X-radiation is not necessary in this risk-free and stress-free procedure. CONCLUSION: Three-dimensional soft tissue prediction employing finite element modeling is a useful aid for implementing esthetically-optimized treatment planning.
BACKGROUND AND AIM: The goal of this study was to analyze the validity and prediction accuracy of a newly-developed procedure for three-dimensional soft tissue prediction based on Finite Element Method, and to compare the results with prediction produced using an existing two-dimensional prediction program (Dentofacial Planner Plus). PATIENTS AND METHODS: In twelve patients who underwent combined surgical-orthodontic treatment, profile prediction was generated using both procedures preoperatively and then compared at predefined measurement points with the patient's actual postoperative soft tissue status. RESULTS: The deviations observed depended on the facial region, whereby the prediction errors for both procedures were much greater in the lower facial third than in the midfacial third. Calculating in all the measurement points, the mean horizontal prediction error was 0.32 mm for the Finite Element Method and 0.75 mm for the Dentofacial Planner Plus. Overall, we were able to demonstrate the new procedure's superior validity and quality of visualization. In addition to profile prediction, the procedure allows a differentiated three-dimensional assessment of esthetically important regions such as the cheeks, nasolabial folds and the nasal wings. Additional X-radiation is not necessary in this risk-free and stress-free procedure. CONCLUSION: Three-dimensional soft tissue prediction employing finite element modeling is a useful aid for implementing esthetically-optimized treatment planning.
Authors: Claudia Sade Hoefert; Margit Bacher; Tina Herberts; Michael Krimmel; Siegmar Reinert; Sebastian Hoefert; Gernot Göz Journal: J Orofac Orthop Date: 2010-05-26 Impact factor: 1.938
Authors: Gregor F Raschke; Ulrich M Rieger; Rolf-Dieter Bader; Arndt Guentsch; Oliver Schaefer; Stefan Schultze-Mosgau Journal: Clin Oral Investig Date: 2012-08-15 Impact factor: 3.573
Authors: Gregor F Raschke; Ulrich M Rieger; Andre Peisker; Gabriel Djedovic; Marta Gomez-Dammeier; Arndt Guentsch; Oliver Schaefer; Stefan Schultze-Mosgau Journal: Med Oral Patol Oral Cir Bucal Date: 2015-01-01
Authors: Andreas F Hellak; Bernhard Kirsten; Michael Schauseil; Rolf Davids; Wolfgang M Kater; Heike M Korbmacher-Steiner Journal: Head Face Med Date: 2015-07-09 Impact factor: 2.151
Authors: S Rupperti; P Winterhalder; S Krennmair; S Holberg; C Holberg; G Mast; I Rudzki Journal: J Orofac Orthop Date: 2021-04-21 Impact factor: 2.341