对于以牙痛为主诉的患者,正确、及时的治疗有赖于正确的诊断,而正确的诊断离不开理论的指导。由于牙髓研究遇到的一系列问题,其理论还很不成熟。牙痛中又以牙本质痛,即牙本质过敏症最难解释,这有可能是牙痛机制研究中的主要矛盾。许多学者正在为揭开牙本质痛的奥秘辛勤地工作着。我们知道,在牙髓的表面,有一层相当厚的 For toothache-based patients, correct and timely treatment depends on the correct diagnosis, and the correct diagnosis can not be separated from the theoretical guidance. Due to a series of problems encountered in dental pulp research, its theory is still immature. Toothache and to dentine pain, which is the most difficult to explain the dentin hypersensitivity, which may be the main contradiction in the study of toothache mechanism. Many scholars are working hard to find out the mystery of dentin pain. We know that there is a fairly thick layer on the surface of the pulp