Since pulp injuries are reported in tooth fracture, displacement and avulsion, it is commonly thought that pulp injuries were involved in almost every type of dental injuries.
牙髓组织损伤可存在于牙齿折断、牙齿移位和牙齿全脱臼。
2
Objective: the purpose of this study was to learn the influence of heat treatment on fracture toughness of dental glass ceramic.
目的：探讨热处理过程对玻璃陶瓷断裂韧性的影响。
3
Dental trauma may happen to a single tooth or more. Avulsion was most like to accompany with other traumatic teeth. Crown fracture was also like to involve more than one tooth.