The mechanism of apoptosis is not clear right now.Further study of dental pulp cell apoptosis will have a positive impact on dental pulp physiopathology.

• 关于牙髓程序性细胞死亡的相关研究不多,机制也尚不清楚,因此对其进行研究将会对牙髓的生理病理学产生深远的意义。