Differential Impact of Body Mass Index on Postoperative Complications in Orthognathic Surgery: A retrospective study of 1,309 patients
Abstract
Abstract Background : Body Mass Index (BMI) is a well-established predictor of postoperative complications in various surgical fields; however, its specific role in orthognathic surgery has not been sufficiently investigated. This study aimed to comprehensively analyze the association between BMI and postoperative complications in orthognathic surgery to enhance surgical safety and establish practical clinical guidelines. Methods : A retrospective study was conducted on 1,309 patients who underwent orthognathic surgery performed by a single surgeon from 2012 to 2024. BMI was classified according to the World Health Organization Asia-Pacific criteria: underweight (
Fields of Study & Subjects
Orthodontics and Dentofacial Orthopedics
Facial Trauma and Fracture Management
Temporomandibular Joint Disorders
Publication details
- Journal / source
- Research Square
- Publication date
- 17 February 2026
- Language
- EN
- Document type
- Preprint