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Influence of bone-anchored maxillary protraction on secondary alveolar bone graft status in unilateral cleft lip and palate

Gomes, Oscar Stangherlin

Biblioteca Digital de Teses e Dissertações da USP; Universidade de São Paulo; Hospital de Reabilitação de Anomalias Craniofaciais 2018-08-03

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  • Título:
    Influence of bone-anchored maxillary protraction on secondary alveolar bone graft status in unilateral cleft lip and palate
  • Autor: Gomes, Oscar Stangherlin
  • Orientador: Carreira, Daniela Gamba Garib; Ioshida, Marília Sayako Yatabe
  • Assuntos: Enxerto De Osso Alveolar; Fenda Labial; Fissura Palatina; Procedimentos De Ancoragem Ortodôntica; Alveolar Bone Grafting; Cleft Lip; Cleft Palate; Orthodontic Anchorage Procedures
  • Notas: Dissertação (Mestrado)
  • Descrição: Introduction: Bone-anchored maxillary protraction (BAMP) using intermaxillary elastics has shown adequate orthopedic results in patients from 10 to 14 years of age. In cleft lip and palate, patients were favored esthetically and functionally during growth, having reduced the possibility or magnitude of future orthognathic surgery. Objective: To evaluate the effects of bone anchored maxillary protraction (BAMP) on the status of the secondary alveolar bone graft (SABG) in patients with unilateral cleft lip and palate (UCLP). Methods: The experimental group (EG) comprised 26 patients with UCLP and a mean age of 11.7 years submitted to SABG and BAMP therapy. Cone-beam computed tomography (CBCT) exams were taken 3 to 6 months after SABG and prior to BAMP (T1) and at the end of 12 months of therapy (T2). The control group (CG) was composed by 24 patients with UCLP submitted only to SABG, matched by initial age and sex with the EG. In the control group, CBCT exams were performed 6 months (T1) and 12 months (T2) after SABG surgery. CBCT axial sections were analyzed using the method by Garib et al. (2017) in both time points. Intra and intergroup comparisons were performed using Wilcoxon and Mann-Whitney tests (p<5%). Results: No intergroup differences were found at T1 and T2. The experimental group showed an increase of graft score from T1 to T2. No interphase differences were found for graft score in the control group. Conclusions: In spite of loads applied to the maxilla, no harm on the grafted alveolar bone was observed after BAMP therapy in patients with UCLP
  • DOI: 10.11606/D.61.2018.tde-06102020-142844
  • Editor: Biblioteca Digital de Teses e Dissertações da USP; Universidade de São Paulo; Hospital de Reabilitação de Anomalias Craniofaciais
  • Data de criação/publicação: 2018-08-03
  • Formato: Adobe PDF
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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