金属修复体表面粗糙度对其磨耗性能的影响

上海口腔医学 ›› 2013, Vol. 22 ›› Issue (3): 270-273.

金属修复体表面粗糙度对其磨耗性能的影响

徐丹¹，项楠¹，魏斌^1,2

(1.上海交通大学医学院附属第九人民医院?口腔医学院口腔修复科，2.口腔特需门诊，上海市口腔医学重点实验室，上海 200011)

收稿日期:2012-11-18 修回日期:2013-01-18 出版日期:2013-06-10 发布日期:2013-06-10
通讯作者: 魏斌，E-mail：weibin0328@hotmail.com
作者简介:徐丹 (1987-)，女，硕士研究生，E-mail：daniyxu@163.com
基金资助:
上海市科学技术委员会资助项目(08DZ2271100,12441903001)

Influence of different surface roughness on the wear performance of several commonly used dental materials

XU Dan¹, XIANG Nan¹, WEI Bin^1,2

1.Department of Prosthodontics, 2.Department of Dental Special Consultation Clinic, Ninth People’s Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology. Shanghai 200011,China

Received:2012-11-18 Revised:2013-01-18 Online:2013-06-10 Published:2013-06-10
Supported by:
Supported by Research Fund of Science and Technology Commission of Shanghai Municipality(08DZ2271100,12441903001).

摘要/Abstract

摘要： 目的：采用标准化牙釉质试件与金属材料试件对磨的方式，评价常用的几种口腔修复材料在不同表面粗糙度下的磨耗性能。方法：以镍基铸造合金、镍基合金、钴铬钼合金和钛合金4种合金材料作为对磨材料样本，牙釉质为磨耗样本，进行磨耗实验，定量检测牙釉质样本的磨耗量，采用SAS14.0软件包对数据进行统计学分析。结果：与镍基铸造合金180目组和400目组对磨的牙釉质平均磨耗量无显著差异，而与400目组与1200目组对磨的牙釉质试件平均磨耗量差异显著。与3种不同粗糙度的钴铬钼合金、镍铬合金及不同处理组钛合金对磨的牙釉质试件平均磨耗量之间均有显著差异。结论：镍铬合金、钴铬钼合金、钛合金的表面粗糙度对牙釉质的磨耗量会产生影响，粗糙程度大的金属，会显著增加牙釉质的磨耗量。

关键词: 牙科合金, 牙釉质, 磨耗

Abstract: PURPOSE: To evaluate the influence of different surface roughness on the wear performance of several commonly used dental materials. METHODS: Different disc-shaped alloy specimens were selected to grind with enamel specimens. The loss of the standard enamel samples after each wear process were calculated with weight loss method. The data was statistically analyzed using SAS14.0 software package. RESULTS: The average grinding amount of wear standardized enamel samples were significantly different between 180-grit and 400-grit Ni-based alloy but not significantly different between 400-grit and 1200-grit Ni-based alloy. The average grinding amount of enamel samples with Co-Cr, Ni-Cr and titanium alloy of different roughness were significantly different. CONCLUSIONS: Surface roughness will affect the wear performances of nickel-chromium alloy and cobalt-chromium alloy hard, soft cobalt-chromium alloy and titanium alloy.

Key words: Dental alloy, Enamel, Wear

中图分类号:

R783.1

徐丹, 项楠, 魏斌,. 金属修复体表面粗糙度对其磨耗性能的影响[J]. 上海口腔医学, 2013, 22(3): 270-273.

XU Dan, XIANG Nan, WEI Bin,. Influence of different surface roughness on the wear performance of several commonly used dental materials[J]. Shanghai Journal of Stomatology, 2013, 22(3): 270-273.

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