The utility model is composed of a head band (1) which can be amplified and decreased, and a telescopicsupport rod (6).
它是由可以放大缩小的头箍(1)和可伸缩的撑杆(6)组成。
2
Furthermore, telescopic crowns transfer occlusal forces along the long axis of the abutment teeth and provide guidance, support, and protection from movements that might dislodge the denture.
The invention discloses a dropping tester table, which comprises a support, a cylinder with an up-down telescopic core bar, an air claw and a control circuit.