The facet joints support the spine while also allowing motion in terms of bending, flexing and twisting.
关节突关节在支撑脊柱的同时，允许脊柱屈伸旋转运动。
2
To remove an abutment using forceps grasp the abutment with a definite purchase and apply a simultaneous twisting and pulling motion to release the abutment from the implant.
要拔除一颗支台是用钳子抓牢支台，同时加上旋转及拔起动作即能将支台离开植体。
3
Healthy facet joints support the spine while also allowing a wide range of twisting and bending motion.