Confidence in an unfaithful man in time of trouble is like a broken tooth, and a foot out of joint.
患难时倚靠不忠诚的人，好像破坏的牙，错骨缝的脚。
2
The results show that the fracture may be due to improper heat treatment which leads to over hardness of the thread part and the joint of thread part and tooth part.
New occlusal contact was built, which not only changed face-shape and tooth, but also resumed the function of chew system, tooth surrounding tissue and temporomandibular joint, TMJ.