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Cone-Beam Computed Tomographic Comparison of Chin Symphysis Bone Particles and Allograft Versus Iliac Crest Bone Graft Alone for Reconstruction of Alveolar Bone Defects in Cleft Patients Publisher



Attar BM1 ; Soltani P2 ; Davari D3 ; Mehdizadeh M2
Authors
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Authors Affiliations
  1. 1. Torabinejad Dental Research Center, Department of Oral and Maxillofacial Surgery, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Oral and Maxillofacial Radiology, Dental Implants Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Department of Oral and Maxillofacial Surgery, Kashan University of Medical Sciences, Kashan, Iran

Source: Journal of the Korean Association of Oral and Maxillofacial Surgeons Published:2022


Abstract

Objectives: The aim of this study was to compare morbidities and duration of surgery, as well as bone formation in alveolar defects reconstructed with symphysis bone combined with allograft and iliac crest bone graft in patients with cleft palate. Patients and Methods: This randomized clinical trial was performed with 22 patients with unilateral alveolar cleft with a follow-up period of 12 months. In 12 patients, alveolar defects were reconstructed with chin bone graft plus allograft (Group A), while for the other 10 patients, iliac bone crest was used as donor site (Group B). Duration of surgery as well as occurrence of morbidities and complications were recorded. In addition, cone-beam computed tomographic (CBCT) scans were performed before surgery and 12 months after surgical procedures in order to compare bone formation between the two groups. Results: Postoperative CBCT demonstrated a mean bone fill percentage of 76.9% of the alveolar defect in Group A, compared with 77.0% in Group B. Paresthesia in the lower lip or chin did not occur in any patients of Group A. The mean duration of the surgical process was significantly shorter for Group A (40 minutes vs 76 minutes, P<0.001). In addition, patients in Group A regained normal gait faster than patients in Group B (1 day vs 9.5 days). Conclusion: Mandibular symphysis bone graft in combination with allograft results in favorable outcomes in patients with unilateral alveolar clefts. © 2022 The Korean Association of Oral and Maxillofacial Surgeons.
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