Related Experiment Video
Updated: Jun 12, 2026
07:11
Treatment of Facial Deformities using 3D Planning and Printing of Patient-Specific Implants
Published on: May 23, 2020
Avoiding condylar displacement after intraoral vertical ramus osteotomy
Fabio Ritto1, Eduardo Parente, Henrique Martins da Silveira
1Division of Oral and Maxillofacial Surgery, FOP-UNICAMP, Piracicaba, São Paulo, Brazil. fabioritto@cirurgiamaxilofacial.com
The Journal of Craniofacial Surgery
|May 21, 2010
Summary
Intraoral vertical osteotomy effectively corrects mandibular prognathism with minimal nerve issues. However, careful technique is crucial to prevent condylar displacement and temporomandibular dysfunction.
Area of Science:
- Oral and Maxillofacial Surgery
- Orthognathic Surgery
- Surgical Techniques
Background:
- Intraoral vertical osteotomy is a common surgical technique for correcting mandibular prognathism.
- Advantages include ease of performance and minimal neurosensory disturbances.
- Maxillomandibular fixation and condylar displacement are significant concerns.
Observation:
- This paper discusses technical notes to avoid condylar luxation based on 15 years of experience.
- Three cases of condylar displacement from the glenoid fossa are presented.
- Displacement occurred in patients requiring small mandibular setbacks, leading to functional mandibular deviation.
Findings:
- Condylar displacement can occur during intraoral vertical osteotomy, particularly in cases requiring minor mandibular setbacks.
- This displacement can result in mandibular deviation during function.
- Specific technical modifications can mitigate the risk of condylar luxation.
Implications:
- Refined surgical techniques for intraoral vertical osteotomy can improve patient outcomes.
- Preventing condylar displacement is key to avoiding temporomandibular dysfunction post-surgery.
- This approach offers valuable insights for surgeons performing orthognathic procedures.