Apexification is a technique to induce a calcified barrier in a root with an open apex or the continued apical development of an incomplete root in young permanent teeth through some special material.

根尖诱导形成术是用药物诱导牙根尚未发育完成的年轻恒牙的根尖继续发育或形成钙化屏障的技术。

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Conclusions: The luxation rate of young permanent teeth is high, and its replantation effects are good.

结论：少儿前恒牙脱位率高，再植效果好。

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Objective to investigate the clinical effect of partial pulpotomy on young permanent incisors with complicated crown fracture.

目的观察部分活髓切断术治疗年轻恒牙冠折露髓的临床效果。

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