Biodegradation of carbonate apatite/collagen composite membrane and its controlled release of carbonate apatite

Takuya Matsumoto, M. Okazaki, M. Inoue, S. Ode, C. Chang-Chien, H. Nakao, Y. Hamada, J. Takahashi

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The aim of this study was to investigate the biodegradation of carbonate apatite (CO3Ap)/collagen composite membrane as a new guided tissue regeneration membrane in vivo and to estimate its controlled release of CO3Ap in vitro. To control the biodegradation of the guided tissue regeneration membrane and to promote hard tissue regeneration in the periodontal region, we added CO3Ap into the collagen membrane. To investigate the biodegradation of CO3Ap/collagen composite membranes, the prepared membranes (CO3Ap:0, 10 wt %) were cut into 5 × 5 × 0.1 mm and subcutaneously implanted into the backside of male rats under general anesthesia. The explanted membranes were investigated histologically. To estimate their controlled release of CO3Ap in vitro, the membranes (CO3Ap 0-10 wt %, 5 × 5 × 0.1 mm) were immersed into collagenase solution and compulsorily dissolved for 48 h. Histological results suggested that the membrane had a good biocompatibility and the biodegradable period was shortened with the presence of CO3Ap. In the solubility experiments of the membrane, eluted Ca concentrations gradually increased with total dependence on the dissolution of the collagen membrane. Our study demonstrated that the biodegradation time can be controlled by CO3Ap contents in the membrane and CO3Ap could be released from the membrane with the biodegradation period.

Original languageEnglish
Pages (from-to)651-656
Number of pages6
JournalJournal of Biomedical Materials Research
Volume60
Issue number4
DOIs
Publication statusPublished - Jun 15 2002
Externally publishedYes

Fingerprint

Composite membranes
Apatite
Biodegradation
Collagen
Carbonates
Membranes
Tissue regeneration
carboapatite
Collagenases
Biocompatibility
Rats
Dissolution
Solubility

Keywords

  • Biocompatibility
  • Biodegradation
  • Carbonate apatite
  • GTR membrane
  • Type I collagen

ASJC Scopus subject areas

  • Biomedical Engineering
  • Biomaterials

Cite this

Biodegradation of carbonate apatite/collagen composite membrane and its controlled release of carbonate apatite. / Matsumoto, Takuya; Okazaki, M.; Inoue, M.; Ode, S.; Chang-Chien, C.; Nakao, H.; Hamada, Y.; Takahashi, J.

In: Journal of Biomedical Materials Research, Vol. 60, No. 4, 15.06.2002, p. 651-656.

Research output: Contribution to journalArticle

Matsumoto, Takuya ; Okazaki, M. ; Inoue, M. ; Ode, S. ; Chang-Chien, C. ; Nakao, H. ; Hamada, Y. ; Takahashi, J. / Biodegradation of carbonate apatite/collagen composite membrane and its controlled release of carbonate apatite. In: Journal of Biomedical Materials Research. 2002 ; Vol. 60, No. 4. pp. 651-656.
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