Objective To discuss the nuring procedure and criteria of intentional replantation(IR) microsurgery.Methods Fourteen cases of apical periodontitis were included according to including criteria. During the surgery, nurse helped the endodotic specialist to finish IR with four-hand operation method. Results The nuring procedure and criteria of IR was established. Thirteen teeth have no periapical symptoms with normal gingival attachment and tooth mobility. One tooth was extracted because of root resorption. Conclusion The effective and qualified nursing cooperation play an important role to enhance the success rate of IR.
