上海交通大学学报（医学版）

›› 2013, Vol. 33 ›› Issue (5): 701-.doi: 10.3969/j.issn.1674-8115.2013.05.040

• 技术与方法 • 上一篇    

磨耗实验中标准化牙釉质试件的制备

忻贤贞, 陈 洁, 魏 斌   

  1. 上海交通大学 医学院附属第九人民医院口腔修复科 |上海市口腔医学重点实验室, 上海 200011
  • 出版日期:2013-05-28 发布日期:2013-05-28
  • 通讯作者: 魏 斌, 电子信箱: weibin0328@hotmail.com。
  • 作者简介:忻贤贞 （1986—）, 女, 住院医师, 硕士； 电子信箱: kristy-xxz@hotmail.com。
  • 基金资助:

    上海市科学技术委员会资助项目（08DZ2271100, 12441903001）；上海市重点学科建设资助项目（T0202, S30206）

Preparation of standardized enamel specimens in wear experiment

XIN Xian-zhen, CHEN Jie, WEI Bin   

  1. Department of Prosthodontics, Shanghai Key Laboratory of Stomatology, the Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200011, China
  • Online:2013-05-28 Published:2013-05-28
  • Supported by:

    Shanghai Science and Technology Committee Foundation, 08DZ2271100, 12441903001； Shanghai Key Discipline Construction Project, T0202, S30206

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摘要：

目的 验证在牙磨耗试验中采用和制备标准化牙釉质样本的可行性。方法 通过将标准化牙釉质试件与镍基铸造合金圆盘对磨，计算磨耗前后标准化牙釉质试件的质量差值，并以此作为磨耗量进行统计学分析。结果 统计学分析结果显示：样本量36，均数58.35，标准差3.86，变异系数6.61。经正态性W检验得P值为0.742 2，由此推断所得样本来自正态分布总体。结论 制备获得的标准化牙釉质试件用于口腔磨耗模拟实验是有意义的，且具有可行性。

关键词: 标准化, 牙釉质, 磨耗

Abstract:

Objective To evaluate the feasibility of preparation of standardized enamel specimens in wear experiment. Methods The standardized enamel specimens were grinded against disc-shaped nickel base cast alloy samples. The mass loss of the standardized enamel specimens was calculated, and the data were statistically analyzed. Results The statistical analysis revealed that the sample size was 36, the average was 58.35, the standard deviation was 3.86, and the coefficient of variation was 6.61. The value of P through test of normality (W test) was 0.742 2, which meant samples from a normal distribution. Conclusion The prepared standardized enamel specimens can be used in wear experiment.

Key words: standardized, enamel, wear