Current Issues of Pharmacy and Medical Sciences

Tribological characteristics of dental metal biomaterials

Curr Issues Pharm Med Sci., Vol. 29, No. 4, 158-162

Mariusz Walczak, Kazimierz Drozd

Department of Materials Engineering, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland

DOI: 10.1515/cipms-2016-0033



The paper is a report of the examination of the tribological wear characteristics of certain dental metal biomaterials. In the study, tests were undertaken on the following materials: 316L steel, NiCrMo alloy, technically pure titanium (ASTM-grade 2) and Ti6Al4V ELI alloy (ASTM-grade 5). The tribological tests were performed in artificial saliva to determine the coefficient of friction and wear factor; the traces of wear were then ascertained through SEM. The significance of variations in the wear factor, was subsequently assessed by the U Mann-Whitney test. The resistance to wear in the ball-on-disc test under in vitro conditions was observed for the tested materials in the following order: NiCrMo>316L>Ti6Al4V>Ti grade 2.


wear, dental materials, ball-on-disc test, friction coefficient.


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