不同修复材料与天然牙釉质和牙本质之间的摩擦磨损性能

doi:10.11901/1005.3093.2015.490

材料研究学报

2016, Vol. 30

Issue (7): 489-495 DOI: 10.11901/1005.3093.2015.490

本期目录 | 过刊浏览

不同修复材料与天然牙釉质和牙本质之间的摩擦磨损性能

李晨曦¹, 梁锐英¹(

), 任婧², 王景坤¹, 徐艳丽¹, 孟贺¹, 孙硕¹

1. 华北理工大学口腔医学院唐山 063000
2. 清华大学摩擦学国家重点实验室北京 100084

Comparative Study on Friction Properties of Different Dental Restorative Materials against Natural Tooth Enamel and Dentin

LI Chenxi¹, LIANG Ruiying^1,^*(

), REN Jing², WANG Jingkun¹, XUN Yanli¹, MENG He¹, SUN Shuo¹

1. School of Stomatology, North China University of Science and Technology, Tangshan 063000, China
2. Tsinghua University, State Key Laboratory of Tribology, Beijing 100084, China

引用本文:

李晨曦, 梁锐英, 任婧, 王景坤, 徐艳丽, 孟贺, 孙硕. 不同修复材料与天然牙釉质和牙本质之间的摩擦磨损性能[J]. 材料研究学报, 2016, 30(7): 489-495.
Chenxi LI, Ruiying LIANG, Jing REN, Jingkun WANG, Yanli XUN, He MENG, Shuo SUN. Comparative Study on Friction Properties of Different Dental Restorative Materials against Natural Tooth Enamel and Dentin[J]. Chinese Journal of Materials Research, 2016, 30(7): 489-495.

全文: PDF(6397 KB) HTML

摘要:

以高度抛光的玻璃陶瓷、聚合瓷、氧化锆、纯钛为摩擦副, 模拟口腔环境, 使用微摩擦磨损实验机进行天然牙釉质和牙本质的摩擦磨损实验。用扫描电镜观察表面形貌、用粗糙度仪测粗糙度、用维氏硬度仪测表面硬度、用电子天平测磨损量, 研究了天然牙釉质和牙本质与不同修复材料之间的摩擦磨损性能。结果表明, 釉质和牙本质分别与四种材料对磨后的磨损量与对照组均有统计学差异(P<0. 05), 对磨物的磨损量与四种材料及釉质、牙本质的硬度值呈显著正相关关系。其中牙本质与聚合瓷对磨后的磨损量与牙本质对照组最接近, 釉质与玻璃陶瓷对磨后的磨损量与釉质对照组最接近。

关键词 ：口腔修复材料, 摩擦磨损实验, 耐磨损性能, 釉质, 牙本质

Abstract：

The friction and wear behavior of the natural tooth enamel and dentin in sliding against a highly polished glass ceramic, polymer ceramic, zirconia and pure titanium respectively were investigated through a fretting friction and wear testing in an artificial saliva test environment by UMT-2 friction and wear testing machine. While the worn surface morphology was observed by scanning electron microscopy (SEM), the roughness was measured by roughness instrument and the abrasion loss was weighed by an electronic balance. The results show that after friction and wear testing, the abrasion loss of the enamel and dentin against the four kind of materials all showed a statistically difference within P < 0. 05, which possessed significant positive correlation with the hardness of the four kinds restoration materials, the enamel and the dentin. The mass loss of the dentin against poly ceramic and the enamel against glass ceramic was the closest ones to that of the control group of the dentin.

Key words： dental restorative material friction and wear test wear resistance enamel dentine

收稿日期: 2015-09-07

作者简介: null

本文联系人: 梁锐英

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https://www.cjmr.org/CN/10.11901/1005.3093.2015.490 或 https://www.cjmr.org/CN/Y2016/V30/I7/489

图1 材料的粗糙度

图2 材料的硬度

图3 本质各组(a)和釉质各组(b)的摩擦系数

表1 牙尖质量损失量

表2 材料硬度及粗糙度

图4 牙本质与各组材料对磨前后的表面微观形貌

图5 釉质与各组材料对磨前后的表面微观形貌

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