Key words: dental trauma, immature permanent tooth, apexification, ectopic root tip

关键词: 牙外伤, 年轻恒牙, 根尖诱导成形术, 异位根尖

毕静，马学娟，陈旭. 外伤牙根尖诱导成形术后形成异位牙根1例报告[J]. 中国实用口腔科杂志, DOI: 10.19538/j.kq.2017.03.013.

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