Objective To investigate the pulp prognosis and influence factors of dentin-fractured teeth.Methods Case records of dentin-fractured teeth treated with indirect pulp capping and with more than 2 years follow-up were collected. The data related to trauma information and pulp prognosis were recorded and the influence factors were ana-lyzed by Logistic regression.Results This study consisted of 205 cases with 242 dentin-fractured teeth. Among 242 teeth, pulp necrosis occurred in 78 teeth（32.2%） and pulp calcification occurred in 3 teeth（1.2%）. The success rate of indirect pulp-capping on dentin-fractured teeth was 67.8%. During observation period, 141 out of 177 young per-manent teeth completed root development. The extent of fracture close to pulp was an indicator for pulp prognosis （P=0.001）.Conclusion The prognosis of indirect pulp-capping on dentin-fractured permanent teeth is good. The extent of fracture close to pulp should be considered to evaluate the prognosis of the pulp.
