Abstract: Objective To study and evaluate the short-term restorative effects of IPS e.max CAD ceramic crown.Methods 469 patients with 542 restorations were selected and the satisfactory degree of the patients was investigated.The restorative effect was evaluated after 3-12 months.Result The satisfactory rate of IPS e.max CAD full ceramic restorations was 97.2%，without porcelain fracture,loss of crown or abutment broken.Conclusion The short-term clinical behavior of IPS e.max CAD all ceramic restorations is encouraging.

Key words: IPS e.max CAD, all ceramic crown, clinical behavior