2Allen KL, Schenkel AB, Estafan D. An overview of the CEREC 3D CAD/CAM system[J]. Gen Dent, 2004, 52 (3):234-235.
3Mormann WH. The evolution of the CEREC system[J]. J Am Dent Assoc, 2006, 137 (Suppl) : 7S-13S.
4Fasbinder DJ. CAD/CAM ceramic restorations in the operatory and laboratory[J]. Compend Contin Educ Dent, 2003, 24(8):595- 598, 600-604.
5Beuer F, Aggstaller H, Edelhoff D, et al. Marginal and internal fits of fixed dental prostheses zirconia retainers[J]. Dent Mater,2009, 25(1) :94-102.
6Proussaefs P. Crowns cemented on crown preparations lacking geometric resistance form. Part Ⅱ: Effect of cement[J]. J Prosthodont, 2004, 13 (1) :36-41.
7Cvar JF, Ryge G. Reprint of griteria for the clinical evaluation of dental restorative materials. 1971[J]. Clin Oral Investig, 2005, 9 (4) : 215-232.
8Akbar JH, Petrie CS, Walker MP, et al. Marginal adaptation of Cerec 3 CAD/CAM composite crowns using two different finish line preparation designs[J]. J Prosthodont, 2006, 15(3): 155-163.
9Bindl A, Mormann WH. Marginal and internal fit of all-ceramic CAD/CAM crown-copings on chamfer preparations[J]. J Oral Rehabil, 2005, 32(6):441-447.
10Reich S, Wichmann M, Nkenke E, et al. Clinical fit of all-ceramic three-unit fixed partial dentures, generated with three different CAD/CAM systems[J]. Eur J Oral Sci, 2005, 113(2): 174- 179.
