Abstract: Objective: To investigate the effect of PDCA cycle combined with Mini-Cex scale in the quality management of complete crown treatment for oral residents. Methods: The PDCA cycle was applied to the standardized training of the residents in the treatment of complete crown. The clinical ability of the residents who participated in the training was evaluated by the Mini-Cex scale. Results: A total of 30 passengers were assessed, the qualified and excellent rates of residents were improved before and after training in the four parts, including clinical technique, tooth preparation, provisional crown making, and impression making (P<0.05). Conclusion: PDCA cycle combined with Mini-Cex scale is an effective way to evaluate and improve the effect of residency training.

Key words: PDCA cycle, Mini-Cex scale, residency training, complete crown therapy