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, 梁锐英, 任婧, 王景坤, 徐艳丽, 孟贺, 孙硕

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

LI Chenxi, LIANG Ruiying, REN Jing, WANG Jingkun, XUN Yanli, MENG He, SUN Shuo

表2 材料硬度及粗糙度

Table 2 Hardness and roughness of materials

Group Hardness of materials (HV) Roughness of materials (Ra) Dentine 54.11±0.8293 0.17770±0.026874 Enamel 609.52±9.3542 0.27490±0.013536 Glass ceramic 609.52±9.3542 0.27490±0.013536 Polymer ceramic 64.09±0.4557 0.27880±0.024068 Zirconia 1311.83±39.9536 0.28170±0.033859 Pure titanium 239.72±3.4071 0.27420±0.016772