目的:探索畸形中央尖引起急性牙髓炎运用活髓切断治疗的临床疗效。方法:运用活髓切断的方法对畸形中央尖折断的牙齿根尖诱导。结果:在本次治疗的30例35个患牙中,成功20例,良好10例,成功率80%。结论:活髓切断是畸形中央尖引起急性牙髓炎牙齿诱导牙根继续形成的有效方法。 Objective: To explore the clinical efficacy of deformity central appendectomy caused by acute pulpitis treated with live pulp. Methods: The method of pulpotomy was used to induce the root tip of the tooth broken by the central tip of deformity. Results: Of the 30 patients with 35 teeth treated in this trial, 20 were successful and 10 were good with a success rate of 80%. Conclusion: Medullary transection is an effective method to induce root formation in acute pulpitis induced by central deformity.