根管治疗的根尖止点控制包括确定工作长度、工作宽度以及根尖区的根管形态等。
It's very important to control the apical stop when performing root canal therapy.
根的生长主要取决于根尖区的细胞分裂和伸长，而调控根尖分生组织细胞分裂的成分很大程度上是未知的。
Root growth is mainly determined by cell division and subsequent elongation in the root apical area. Components regulating cell division in root meristematic cells are largely unknown.
方法对58例根尖囊肿行根管治疗，术后观察囊肿病变区的变化。
Method 58 cases with radicular cyst were treated with root canal therapy. The change of apical area was observed after root canal filling.
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