Abstract
The stability of lower jaw grade is influenced by dental occlusion contact and the position relation of condail of a jaw joint, the stable lower jaw grade is according to the state of the tooth which serves as occlusion support is especially decided.
Therefore, when support of occlusion is once lacked, it is complicated, for stabling the lower jaw joint, in addition a functional disorder is further produced at a jaw joint, and the case where various obstacles and condition in whole body are caused the stability of lower jaw grade.
The case is accompanied by sift of lower jaw grade pass, the lower jaw is guided to main grade comparative simply, and the sprint is use of the short of time, which can reproduce desirable lower jaw grade, is considered this time.
