Horizontal Maxillary Osteotomy Stability Using Mandibular Outer Cortex Bone Grafts in Patients With Cleft Lip and Palate

The Journal of Craniofacial Surgery
Yilue ZhengTao Song

Abstract

To investigate horizontal maxillary osteotomy stability after using bone grafts for the treatment of patients with unilateral cleft lip and palate (UCLP). Retrospective cohort study. Plastic surgery hospital. Fifty-eight patients with UCLP and maxillary hypoplasia requiring a maxillary Le Fort I advancement of 6 to 9 mm. The test group (TG) was comprised of 28 patients who underwent mandibular outer cortex bone grafting in the gaps created by a modified Le Fort I osteotomy. The control group (CG) was comprised of 30 patients who underwent a Le Fort I osteotomy without bone grafts. Maxillary horizontal advancement (recorded during the operation using a Vernier caliper) and horizontal relapse at 12 months after surgery (based on a manual cephalometric analysis of pre- and postoperative lateral teleradiographs). In the TG, the mean maxillary horizontal advancement was 7.13 ± 0.7 mm (range: 6.01-8.23 mm), and the mean postoperative horizontal relapse was 25.07 ± 6.64%. In the CG, the mean maxillary horizontal advancement was 6.90 ± 0.55 mm (range: 6.05-7.39 mm), and the mean postoperative horizontal relapse was 24.89 ± 4.25%. There were no significant between-group differences in the mean horizontal relapses. The use of mandibular ...Continue Reading

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Citations

Sep 18, 2020·Oral and Maxillofacial Surgery·Bibiana Dalsasso VelasquesCristina Braga Xavier
Jun 22, 2021·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Buddhathida WangsrimongkolPradip R Shetye

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