Comparison of Effect of Salivary Contamination on the Reverse Torque Values of Abutment Screws in Two Different Types of Internal Hex Implant-Abutment Connections: An In vitro Study

唾液污染对两种不同类型内六角种植体-基台连接中基台螺丝反向扭矩值的影响比较：一项体外研究