The relationship between the area and diameter of the apicalforamen and to the deviation was analyzed.
测定并分析根尖孔面积、直径及其与测量偏差之间的关系。
2
Objective: To study the molar's collateral canal and its position of apicalforamen.
目的：研究磨牙侧副根管及其根尖孔的解剖学位置。
3
The effect of root irrigation on removing canal debris and the variance of apicalforamen pressure on extracted teeth were compared between the conventional irrigation and CANS irrigation.