A comparative study of the clinical effects of chitosan nanofiber membrane in the treatment of mandibular class II furcation defects

하악 2급 치근 이개부 병소에서 키토산 나노 차폐막을 이용한 치주조직 재생의 임상적 효과에 관한 비교 연구

  • Choi, Han-Sun (Department of Periodontology, College of Dentistry, Dan-Kook University) ;
  • Jeong, Lim (Nibec Co., Ltd) ;
  • Kim, Jeong-Bin (Nibec Co., Ltd) ;
  • Hong, Ki-Seok (Department of Periodontology, College of Dentistry, Dan-Kook University) ;
  • Lim, Sung-Bin (Department of Periodontology, College of Dentistry, Dan-Kook University) ;
  • Chung, Chin-Hyung (Department of Periodontology, College of Dentistry, Dan-Kook University)
  • 최한선 (단국대학교 치과대학 치주과학교실) ;
  • 정임 (주식회사 나이벡) ;
  • 김정빈 (주식회사 나이벡) ;
  • 홍기석 (단국대학교 치과대학 치주과학교실) ;
  • 임성빈 (단국대학교 치과대학 치주과학교실) ;
  • 정진형 (단국대학교 치과대학 치주과학교실)
  • Published : 2005.09.30


The purpose of this study was to evaluate the clinical efficacy of guided tissue regeneration(GTR) technique using chitosan nanofiber membrane and to compare it to the clinical efficacy following GTR using PLA/PLGA(copolymer of polvlactic acid and polylacticglycolic acid) membrane in mandibular class II furcation defects in human. The chitosan nanofiber membranes were applied to the mandibular class II furcation defects of 13 patients(test group) and PLA/PLGA membranes were applied to those of 11 patients(control group). Probing pocket depth, clinical attachment level, gingival recession, plaque index and gingival index were measured at baseline and 3 months postoperatively. Vertical and horizontal furcation defect depth were measured at surgery. Both groups were statistically analyzed by Wilcoxon signed Ranks Test and Mann-Whitney Test using SPSS program. The results were as follows: 1. Probing pocket depth, clinical attachment loss and gingival index were significantly reduced at 3 months postoperatively compared to values of baseline in both groups(p<0.05). 2. Gingival recession and plaque index were not significantly decreased at 3 months postoperatively compared to values of baseline in both groups. 3. No significant difference between two groups could be detected with regard to changes of probing pocket depth, gingival recession, clinical attachment level, plaque index and gingival index at 3 months postoperatively. In conclusion, chitosan nanofiber membrane is effective in the treatment of human mandibular class II furcation defects and a longer period study is needed to fully evaluate the outcomes.


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