自制弯头夹石针王争呜（长沙市第二医院口腔科）～～～～～～～～～～～～～～～～～～～～～～～目前市面上没有与低速牙钻弯车头配套使用的夹石针，而长柄夹石针只能与直车头配套，在用于口内牙体的片切、调磨及口内某些修复体，尤其是舌面及后牙在抛光时受到一定的限制... Self-made elbow pinch Wang Wangzheng (Changsha Second Hospital, Department of Stomatology) ~~~~~~~~~~~~~~~~~~~~~~~~ Currently there is no low-speed dental drill on the market The stone pin used in the front end of the car with the long handle pin can only be matched with the straight head. It is used in the cutting, grinding and some restorations in the mouth, especially when the tongue and back teeth are polished. Subject to certain restrictions...