Journal of Maxillofacial and Oral Surgery

, Volume 14, Issue 3, pp 659–665

Evaluation of Crystallized Biosilicate in the Reconstruction of Calvarial Defects

  • Marcelo Rodrigues Azenha
  • Suzie Aparecida de Lacerda
  • Heloísa Fonseca Marão
  • Oscar Peitl Filho
  • Osvaldo Magro Filho
Research Paper

Abstract

Introduction

The objective of this study was to assess the bone repair process of crystallized Biosilicate in surgically created defects on rats’ calvaria. This biomaterial was recently developed for odontological use.

Materials and methods

We used fifteen rats (rattus norvegicus albinus, Wistar), and two 5 mm surgical defects were performed on each of them; the defects were made with trephine drill on the calvarium region prior to the biomaterial placement. Groups were divided as follows: Group 1—defect filled with clot; Group 2—defect filled with crystallized Biosilicate. After 7, 14 and 28 days the animals were killed, the parts were retrieved and slides were prepared for histological studies.

Results

Bone formation was satisfactory in all groups, with direct contact between biomaterial surface and bone and absence of infection signs. The 28 days periods showed better results, and statistically significant difference between Clot Group (90.2 %) and Biosilicate (58 %; p = 0.002) was seen, regarding presence of bone tissue on the surgical defects.

Conclusion

Our study revealed that defects filled with clot present better results on bone formation compared to crystallized Biosilicate, which is considered a biocompatible material with favorable osteoconductive properties.

Keywords

Biomaterial Biosilicate Bioglass 

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Copyright information

© The Association of Oral and Maxillofacial Surgeons of India 2015

Authors and Affiliations

  • Marcelo Rodrigues Azenha
    • 1
    • 2
  • Suzie Aparecida de Lacerda
    • 1
  • Heloísa Fonseca Marão
    • 2
  • Oscar Peitl Filho
    • 3
  • Osvaldo Magro Filho
    • 2
  1. 1.Dentistry School of Ribeirão Preto, Stomatology DepartmentUniversidade de São Paulo (USP)Ribeirão PretoBrazil
  2. 2.Dentistry School of AraçatubaUniversidade Estadual Paulista (UNESP)São PauloBrazil
  3. 3.Universidade Federal de São Carlos (UFSCAR)São PauloBrazil

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