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Recombinant human bone morphogenic proteins (rhBMPs) have been introduced for reconstruction of alveolar defects. The volume of the bone formed at the cleft region may be related to rhBMP-2 dose. Greater side effects have been reported with increased doses of rhBMP-2. The aim of the present study was to assess the bone at the cleft area using low dose of rhBMP-2 combined with autogenous bone graft for reconstruction of the alveolar cleft. Patients with unilateral cleft lip and palate between the 11 to 14 years old were enrolled. After palatal expansion, autogenous graft was placed at the side of cleft in the control group (n = 6). In the BMP group, the rhBMP-2 was injected into the autogenous bone graft at the defect site (n = 5). Cone beam computed tomography (CBCT) images were taken of all patients immediately and 3 months after graft surgery to compare the density, thickness, and height of the bone graft between the 2 groups. Intermolar and interpremolar widths were also measured. The authors found less diminish of density and height of the bone graft 3 months postsurgery in patients with autogenous bone graft combined with rhBMP-2. However, significant difference in the relapse tendency of transverse dimension of the arch or thickness of the bone graft was not observed between the 2 groups. Thus, low dose rhBMP-2 combined with autogenous bone graft can be promising to reach predictable results after alveolar reconstruction in cleft lip and palate patients.
This article was published in the following journal.
Name: The Journal of craniofacial surgery
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