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Volume 22 , Issue 6
November/December 2007

Pages 939–947

Homogenous Demineralized Dentin Matrix for Application in Cranioplasty of Rabbits with Alloxan-Induced Diabetes: Histomorphometric Analysis

Mônica Fernandes Gomes, MDS, DDS/Éfani Caroline de Freitas Banzi/Maria Fernanda de Souza Setúbal Destro, DDS/Valmir Lavinicki, DDS/Maria das Graças Vilela Goulart, MDS, DDS

PMID: 18271375

Purpose: The aim of this work was to evaluate the bone-repair process after implantation of homogenous demineralized dentin matrix (HDDM) slices in surgical defects created in the parietal bones of rabbits with alloxan-induced diabetes. Materials and Methods: Forty-eight rabbits were selected and divided into 4 groups of 12 rabbits: the control group, diabetic rabbits (D), diabetic rabbits with a PTFE barrier (D-PTFE), and diabetic rabbits with a PTFE barrier and with slices of homogenous demineralized dentin matrix (D-PTFE+HDDM). The diabetic animals received a single dose of alloxan monohydrate (90 mg/kg) intravenously on the marginal ear vein, and their blood glucose was verified daily. The rabbits were sacrificed after 15, 30, 60, and 90 days. The histologic findings show both better bone structure and significantly greater bone density, as determined by histomorphometric analysis, for the D-PTFE + HDDM group than for the other 3 groups (P < .01). It was also observed that the mean bone density increased gradually from 15 to 90 days (except in the D-PTFE group). Conclusion: It was concluded that the HDDM was biocompatible with the bone repair of diabetic rabbits and that HDDM slices stimulated bone tissue formation. Facilitation of bone repair with HDDM could be useful in diabetic patients. Int J Oral Maxillofac Implants 2007;22:939–947

Key words: bone repair, diabetes mellitus, homogenous demineralized dentin matrix, monohydrated alloxan

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