Evaluation of the Predictability and Accuracy of Orthognathic Surgery in the Era of Virtual Surgical Planning

Applied Sciences

Alessandro Gutiérrez Venturini¹  María Barajas Blanco²  José Luis del Castillo Pardo de Vera²  Marta María Pampín Martínez²  José Luis Cebrián Carretero²  Iñigo Aragón Niño²  Alvaro Moreiras Sánchez²  Jorge Guiñales Díaz de Cevallos² 

[1] Fundación Para la Investigación Biomédica del Hospital Universitario La Paz, Calle de Pedro Rico 6, 28029 Madrid, Spain;Oral and Maxillofacial Surgery Department, Hospital Universitario La Paz, Paseo de la Castellana 261, 28046 Madrid, Spain;

关键词: virtual surgical planning;    orthognatic surgery;    predictability;   

DOI  :  10.3390/app12094305

来源: DOAJ

【 摘 要 】

Virtual surgical planning allows orthognathic surgeons to design a surgical plan preoperatively and establish a personalized surgical protocol. This study aims to validate the predictability and accuracy of orthognathic surgery through a comparison of the three-dimensional (3D) models of the virtual planning and postoperative CBCT using free software (3D Slicer) on 40 patients who underwent bimaxillary orthognathic surgery. The distances of point A, point B, pogonion (Pog), and the first upper and lower molars, both in each axis (x, y, and z) and in the 3D space, were analyzed. The median of the distances in the mediolateral direction was the lowest, while the highest differences were found at point A and Pog in the anteroposterior direction (0.83 mm and 0.78 mm, respectively). Vertical differences were higher in the maxilla than in the mandible. In conclusion, we found that orthognathic bimaxillary surgery using virtual surgical planning was more accurate when positioning the bone segments in the mediolateral direction, using the information provided by the splint, as well as when positioning the mandible compared to the maxilla.

【 授权许可】

Unknown