中山醫學大學機構典藏 CSMUIR:Item 310902500/11151
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    题名: Effect of various pulpotomy dressing materials on the viability of L929 cells
    作者: HUANG, TSUI-HSIEN
    LIAO, PAO-HSIN
    LIU, CHAO-HSIN
    YEN, MIN
    KAO, CHIA-TZE
    贡献者: 中山醫學大學
    关键词: pulpotomy, biocompatibility, zinc oxide powder, glutaraldehyde, calcium hydroxide formocresol.
    日期: 2008
    上传时间: 2015-07-10T09:35:04Z (UTC)
    摘要: The purpose of the present study was to evaluate the compatibility of mouse periodontal fibroblast
    (L929) cells with different formulas of pulpotomy dressing materials. The pulpotomy preparations were
    differentiated into group 1: zinc oxide powder, eugenol, and formocresol; group 2: zinc oxide powder,
    eugenol, and glutaraldehyde; group 3: zinc oxide powder, eugenol, and ferric sulfate; group 4: calcium
    hydroxide, distilled water, and formocresol; group 5: calcium hydroxide, distilled water, and
    glutaraldehyde; and group 6: calcium hydroxide, distilled water, and ferric sulfate. All mixed materials
    were dissolved in medium and diluted to 10, 20, 40, and 80 µl/ml concentrations. A cell colorimetric assay
    (MTT) was used to detect the viability of L929 cells. Results were compared using 1-way analysis of
    variance (ANOVA). Differences in treatment means were analyzed using Student-Newman-Keul’s test
    and were considered significant at p<0.05. Survival rates of treated L929 cells showed statistical
    differences as the concentrations of the pulpotomy materials increased (p < 0.05). The highest survival
    rates were found in groups 3, 5, and 6. It is recommended that low-toxicity formulas (such as those
    containing zinc oxide powder, eugenol, and ferric sulfate; calcium hydroxide, distilled water, and
    glutaraldehyde; or calcium hydroxide, distilled water, and ferric sulfate) be used clinically as pulpotomy
    dressing materials.
    URI: https://ir.csmu.edu.tw:8080/ir/handle/310902500/11151
    關聯: J Dent Sci, 3(1)：22-29 , 2008
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