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Volume 23 , Issue 1
January/February 2003
Pages 69–77

Histologic Effect of Pure-Phase Beta-Tricalcium Phosphate on Bone Regeneration in Human Artificial Jawbone Defects

Paolo Trisi, DDS, PhD/Walter Rao, MD, DDS/Alberto Rebaudi, MD, DDS/Peter Fiore, MD, DDS

PMID: 12617370
DOI: 10.11607/prd.00.0510

The effect of the pure-phase beta-tricalcium phosphate (beta-TCP) Cerasorb on bone regeneration was evaluated in hollow titanium cylinders implanted in the posterior jaws of five volunteers. Beta-TCP particles were inserted inside the cylinders and harvested 6 months after placement. The density of the newly formed bone inside the bone-growing chambers measured 27.84% ± 24.67% in test and 17.90% ± 4.28% in control subjects, without a statistically significant difference. Analysis of the histologic specimens revealed that the density of the regenerated bone was related to the density of the surrounding bone. The present study demonstrates the spontaneous healing of infrabony artificial defects, 2.5 mm diameter, in the jaw. The pure beta-TCP was resorbed simultaneously with new bone formation, without interference with the bone matrix formation. (Int J Periodontics Restorative Dent 2003;23:69–77.)

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