以人工唾液为润滑剂,采用新鲜拔除的天然牙与TC4钛合金以及氧化锆陶瓷平面试件进行低速往复磨损实验.分别从定性和定量分析两个角度研究了口腔修复体材料与天然牙的磨损匹配性.同时,提出了基于逆向工程技术的天然牙最大磨损深度的测量方法,将磨损前后的天然牙进行三维扫描,采用最佳拟合对齐法实现模型的配准.通过对天然牙磨损表面及对摩试件的三维形貌和能谱分析,明确了天然牙与TC4钛合金之间的磨损机制主要表现为磨粒磨损和黏着磨损,而与氧化锆陶瓷之间的磨损更为轻微,主要表现为磨粒磨损.对比天然牙和对摩试件的磨损量可知,氧化锆陶瓷相比于TC4钛合金表现出良好的耐磨损性能和对摩物的低磨损率.
参考文献
[1] | 郑侃,肖行志,廖文和,刘红杰.完全烧结氧化锆牙科陶瓷材料的旋转超声加工实验研究[J].人工晶体学报,2013(09):1864-1869. |
[2] | Lifong Zou;George Cherukara;Pengwei Hao;Kevin Seymour;D. Samarawickrama .Geometrics of tooth wear[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2009(5/6):605-608. |
[3] | Preis,V.;Behr,M.;Handel,G.;Schneider-Feyrer,S.;Hahnel,S.;Rosentritt,M..Wear performance of dental ceramics after grinding and polishing treatments[J].Journal of the mechanical behavior of biomedical materials,2012:13-22. |
[4] | J. Zheng;H. Huang;M. Y. Shi;L. Zheng;L. M. Qian;Z. R. Zhou .In vitro study on the wear behaviour of human tooth enamel in citric acid solution[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2011(9/10):2313-2321. |
[5] | Kim,M.-J.;Oh,S.-H.;Kim,J.-H.;Ju,S.-W.;Seo,D.-G.;Jun,S.-H.;Ahn,J.-S.;Ryu,J.-J. .Wear evaluation of the human enamel opposing different Y-TZP dental ceramics and other porcelains[J].Journal of dentistry,2012(11):979-988. |
[6] | 安晓莉,安应飞,邱宜农,刘斌,王金清.乳、恒牙釉质及本质体外摩擦行为的对比研究[J].摩擦学学报,2013(01):1-5. |
[7] | 吕文芳,康宏,吕晋军,高飞,包广洁,席戈.牙用亚微米氧化锆增韧氧化铝陶瓷的摩擦磨损性能研究[J].摩擦学学报,2006(03):264-269. |
[8] | Etman MK;Woolford M;Dunne S .Quantitative measurement of tooth and ceramic wear: in vivo study.[J].The International journal of prosthodontics,2008(3):245-252. |
[9] | Lifong Zou;George Cherukara;Pengwei Hao;Kevin Seymour;D. Samarawickrama .Geometrics of tooth wear[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2009(5/6):605-608. |
[10] | S.D. Heintze;A. Cavalleri;M. Forjanic;G. Zellweger;V. Rousson .A comparison of three different methods for the quantification of the in vitro wear of dental materials[J].Dental materials,2006(11):1051-1062. |
[11] | Arsecularatne JA;Hoffman M .On the wear mechanism of human dental enamel.[J].Journal of the mechanical behavior of biomedical materials,2010(4):347-356. |
[12] | Lin Wang;Yihong Liu;Wenjie Si .Friction and wear behaviors of dental ceramics against natural tooth enamel[J].Journal of the European Ceramic Society,2012(11):2599-2606. |
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