7Groten M,Axmann D,Probster L,et al.Determination of the minimum number of marginal gap measurements required for practical in vitro testing [J].J Prosthet Dent,2000,83 :40 ～ 49.
8Beschnidt SM,Strub JR.Evaluation of the marginal accuracy of different all-ceramic crown systems after simulation in the artificial mouth[J].J Oral Rehabil,1999,26:582 ～ 593.
9Behr M,Rosentritt M,Mangelkramer M,et al.The influence of different cements on the fracture resistance and marginal adaption of all-ceramic and fiber-reinforced crowns[J].Int J Prosthodont,2003,16:538～542.
10Cho LR,Song HY,Koak JY,et al.Marginal accuracy and fracture strength of ceromer/fiber-reinforced composite crowns:Effect of variation in preparation design [J].J Prosthet Dent,2002,88:388 ～ 395.
