Apical positioning and root canal measurement are the key to the success of the toot canal treatment.
根尖定位和根管长度测量是根管治疗术是否能够成功的关键。
2
Result: The novel root canal material can seal apical densely and has better degree of obturation than normal materials.
结果：新型根管充填材料能够严密地封闭根尖孔，与根管壁间的密合性优于常用根管充填材料。
3
However, there still lack of relatively systematic reports about the effect of root canal irrigation solutions on the repair of apical and periapical tissue.