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Int J Oral Maxillofac Implants. 2013 Jan-Feb;28(1):51-6. doi: 10.11607/jomi.2667.

Maxillary sinus grafting with biphasic calcium phosphate ceramics: clinical and histologic evaluation in man.

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1
Department of Surgical and Morphological Sciences, University of Insubria, Varese, Italy.

Abstract

PURPOSE:

To evaluate the clinical and histologic aspects of bone formation in maxillary sinus augmentation using macroporous biphasic calcium phosphate (MBCP) comprising hydroxyapatite/tricalcium phosphate (HA/TCP) 60/40 as bone-grafting material.

MATERIALS AND METHODS:

A total of 10 patients and 12 sinuses grafted with MBCP in two-stage sinus augmentation were included in the present study. After a healing period of 6 months, bone core biopsies were harvested during implant insertion and evaluated under light microscopy.

RESULTS:

The histologic examination showed that the MBCP particles were in close contact with new bone in all biopsies. Histomorphometric evaluation demonstrated that newly formed bone constituted 28.3% ± 2.7%, residual grafted material 27.3% ± 1.2%, and marrow spaces 45.9% ± 1.9%.

CONCLUSIONS:

Histologic investigation showed that the MBCP grafted particles were embedded and integrated in the newly formed bone; this bone was in close and tight contact with the biomaterial particles. Data from the preliminary results demonstrated that MBCP is a biocompatible and osteoconductive material that can be successfully used as a grafting material for sinus floor augmentation.

PMID:
23377047
[Indexed for MEDLINE]
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