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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 87 - 94 (8page)
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Objectives: Chitosan has been widely investigated and used. However, the literature does not refer to the shelf life of this solution. This study evaluated, through the colorimetric titration technique and an analysis of dentin micro-hardness, the shelf life of 0.2% chitosan solution. Materials and Methods: Thirty human canines were sectioned, and specimens were obtained from the second and third slices, from cemento-enamel junction to the apex. A 0.2% chitosan solution was prepared and distributed in 3 identical glass bottles (v1, v2, and v3) and 3 plastic bottles (p1, p2, and p3). At 0, 7, 15, 30, 45, 60, 90, 120, 150, and 180 days, the specimens were immersed in each solution for 5 minutes (n = 3 each). The chelating effect of the solution was assessed by micro-hardness and colorimetric analysis of the dentin specimens. 17% EDTA and distilled water were used as controls. Data were analyzed statistically by two-way and Tukey-Kramer multiple comparison (α = 0.05). Results: There was no statistically significant difference among the solutions with respect to the study time (p = 0.113) and micro-hardness/time interaction (p = 0.329). Chitosan solutions and EDTA reduced the micro-hardness in a similar manner and differed significantly from the control group (p < 0.001). Chitosan solutions chelated calcium ions throughout the entire experiment. Conclusions: Regardless of the storage form, chitosan demonstrates a chelating property for a minimum period of 6 months.
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참고문헌 (34)
참고문헌 신청
Carvalho TS / 2014 / Combined effect of a fluoride-, stannous- and chitosan-containing toothpaste and stannous-containing rinse on the prevention of initial enamel erosion-abrasion / J Dent 42:450~459
Wang J / 2014 / Chitosan-based biosorbents:modification and application for biosorption of heavy metals and radionuclides / Bioresour Technol 160:129~141
Aldo del Carpio-Perochena / 2015 / Chelating and antibacterial properties of chitosan nanoparticles on dentin / Restorative Dentistry and Endodontics 40(3):195~201
Rinaudo M / 2006 / Chitin and chitosan: properties and applications / Prog. Polym. Sci 31:603~632
Li Q / 1992 / Applications and properties of chitosan / J Bioact Compat Polym 7:370~397
Wang J / 2014 / Chitosan-based biosorbents:modification and application for biosorption of heavy metals and radionuclides / Bioresour Technol 160:129~141
Aldo del Carpio-Perochena / 2015 / Chelating and antibacterial properties of chitosan nanoparticles on dentin / Restorative Dentistry and Endodontics 40(3):195~201
Rinaudo M / 2006 / Chitin and chitosan: properties and applications / Prog. Polym. Sci 31:603~632
Li Q / 1992 / Applications and properties of chitosan / J Bioact Compat Polym 7:370~397
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