Related Experiment Video
Updated: Dec 12, 2025

07:11
Treatment of Facial Deformities using 3D Planning and Printing of Patient-Specific Implants
Published on: May 23, 2020
7.8K
Rotating a Segmental Maxilla to Close a Serious Vertically Displaced Alveolar Cleft
Weilong Liu1, Yuanyuan Li1, Chialing Tsauo2
1State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Oral Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
Plastic and Reconstructive Surgery. Global Open
|August 9, 2020
Summary
Segmental maxillary osteotomy can correct vertical discrepancies in cleft patients before alveolar bone grafting. This surgical approach offers an alternative for cases where orthodontic treatment is insufficient, improving graft success.
Area of Science:
- Oral and Maxillofacial Surgery
- Orthodontics
- Craniofacial Anomalies
Background:
- Alveolar bone grafting is the primary treatment for secondary dentition space closure.
- Vertical discrepancies in cleft segments can lead to grafting failure due to poor bone contact.
- Orthodontic correction is limited in severe cases, risking periodontal issues.
Purpose of the Study:
- To present a novel surgical technique for correcting vertical discrepancies in alveolar clefts.
- To evaluate the efficacy of segmental maxillary osteotomy prior to bone grafting.
Main Methods:
- A case report detailing the use of segmental maxillary osteotomy with a subperiosteal tunnel for segment rotation.
- Rigid fixation and concurrent bone grafting were performed post-osteotomy.
- Focus on correcting vertical discrepancies in alveolar cleft patients.
Main Results:
- The described technique successfully aligned the alveolar segment, addressing vertical discrepancy.
- This approach facilitated subsequent bone grafting by improving segment contact.
- It offers a viable surgical alternative for complex cleft cases.
Conclusions:
- Segmental maxillary osteotomy before bone grafting is a potential alternative for managing vertical discrepancies in alveolar clefts.
- This method may improve outcomes in patients with severe cleft deformities.
- Further studies are warranted to confirm the long-term efficacy and applicability.

