The main indications for RoCT are irreversible pulpitis and necrosis of the dental pulp caused by carious processes, tooth cracks or chips, or dental trauma.
Dental trauma may happen to a single tooth or more. Avulsion was most like to accompany with other traumatic teeth. Crown fracture was also like to involve more than one tooth.
牙创伤可以在单颗牙齿发生也可累及多颗牙，牙脱出最容易累及多颗牙，冠折也常累及多颗牙。
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Objective: To study the nursing treatments of patients in the reimplanting dislocation tooth with surgical trauma.