Objective To analyze the effect of one-part form mini-implant in treatment of immediately and delayed repair of edentulous space. Methods Retrospectively analyzed 80 cases of edentulous space patients in our hospital from Jan. 2009 to Jan. 2011, and divided them into the immediately repair group ( observation group) and the delayed repair group ( control group) according to time of edentulous space repair. Patients of the two groups were given permanent PFM 3 months later, and regular clinical and X-ray examinations were made to evaluated clinical efficacy and complications of the two groups. Results The score of ISQ of the observation group was higher than that in the control group with significant difference (P <0. 05); and the postoperative complications of the observation group was significantly decreased compared to the control group with a significant difference (P <0. 05). Conclusion Mini-implant used in immediately repair in edentulous space can remove pain in a short time with less postoperative complications, it has more advantages than delayed repair of edentulous space.

Participating in the National Oral Medical Skills Competition can push forward the teaching reform and curriculum construction,and promote the standardized development of teaching.According to the changes of competition level,rules and content of the National Oral Medical Skills Competition,the selection and training methods have been reformed.By designing the training programs,quantifying the scoring standards,strengthening the oral physician guidance and strengthening the psychological counseling and other trainings,satisfactory results have been achieved.