Comparison of casting precision of two kinds of commercially available gypsum-bonded investment with different setting and thermal expansion characteristics

TONG Xu1，2,, ZHAO Yao1, MENG Yu-kun3

West China Journal of Stomatology . 2009, (06): 649 -652 . DOI: 10.3969/j.issn.1000-1182.2009.06.018