4Seghi RR.Hewlett ER,Kim J.Visual assessment of colorimetric analysis on translucent dental porcelain.J Dent Res,1998,67 (IADR Abstracts):119
5Vichi A,Ferrari M,Davidson CL.Influence of ceramic and cement thickness on the masking of various types of opaque posts.J Prosthet Dent,2000,83(4):412
6Wee AG,Monaghan P,Johnston WM.Variation in color between intended matched shade and fabricated shade of dental porcelain.J Prosthet Dent,2002,87(6):657
3Mara S. Meyer, Kaumudi Joshipura, Edward Giovannucci. etal. A re- view of the relationship between teeth loss, periodontal disease, and cancer[ J ]. Cancer Causes & Control, 2008, Vol. 19 (9) :895 - 907.
