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Clin Implant Dent Relat Res ; 17 Suppl 2: e586-93, 2015 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-25535980

RESUMO

BACKGROUND: Insufficient residual alveolar bone height is a common deterrent in the placement of dental implants in the posterior maxilla. The use of autografts, xenografts, allografts and alloplasts or a combination between them has been demonstrated to be effective for increasing bone height and bone volume in the deficient posterior maxilla. PURPOSE: The aim of this clinical trial is to comparatively determine the density of newly formed in sinus floor augmentation bone after a 24-week healing period treatment with a new bovine xenograft. MATERIALS AND METHODS: The sinus floor was grafted with Bio-Oss® (n = 10) and Osseous® (n = 10). Histological sections were examined with a focus on the presence of connective tissue (CT) and newly formed bone (NFB). The sections were histomorphometrically evaluated and the definitive crown was inserted after 3 months. RESULTS: After 6 months, the mean value of new bone formation was 24.60 (±2.503), the CT was 42.60 (±4.006) and the remaining biomaterial was 25.40 (±2.547) in Bio-Oss group. In Osseous group, the mean value of new bone formation was 24.90 (±3.542), the CT was 45.70 (±7.040) and the remaining biomaterial was 22.90 (±3.247). CONCLUSIONS: Both biomaterials afforded a favorable implant position and the prosthetic rehabilitation.


Assuntos
Substitutos Ósseos/uso terapêutico , Minerais/uso terapêutico , Levantamento do Assoalho do Seio Maxilar/métodos , Adulto , Idoso , Animais , Bovinos , Implantação Dentária Endóssea/métodos , Feminino , Xenoenxertos/cirurgia , Humanos , Masculino , Pessoa de Meia-Idade
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