Quality and new bone amount is one of the major challenges in today`s implantology. Titanium mesh has been demonstrating possibilities of bone reconstruction for vertical and height bone gain. However, morphology factors are discussed to ensure greater predictability. This study aimed to evaluate if there was quality and new bone volume difference by using titanium meshes with different pore size and thicknesses. Twenty-eight Wistar rats were randomly allocated into four main experimental groups, according to mesh pore size in µm: Group P300 (Neodent®; n = 7); Group P175 (Neodent®; n = 7); Group P85: (Bionnovation®; n = 7); Group P15: (Bionnovation®; n = 7). All femurs received bone graft (Bio-Oss Collagen Geistlisch®) below titanium mesh. In vivo computerized microtomography analysis were made at baseline and 30 days after surgery. Histologic analysis comprehends 30 days samples. Results demonstrated no statistic difference between groups in bone volume (p>0.05). Meshes with pore size > 1 mm demonstrated higher mineral bone density, comparing to meshes with pore size < 1 mm (p<0.05). Despite limitations, this study concluded that thickness of titanium mesh did not interfere in bone formation process and that mesh pore size can interfere in bone quality depending on bone graft used.
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