2Ratnaweera P M, Yoshi da K, Miura H, et al. A clinical evaluation of the agar alginate combined impression:dimensional accuracy of dies by new master crown technique[ J]. J Med Dent Sci,2003, 50(3) :231 - 238.
3Ferracane J L. Materials in dentistry principles and applications [ M]. Lippincoff Williams Wilkins,2001:195.
5Thongthammachat S, Moore B K, Barco M T,et al. Dimensional accuracy of dental casts: influence of tray material, impression material, and time [ J ]. J Prosthodont ,2002, 11 ( 2 ) : 98 - 108.
6Bradna P,Cema D. Impact of water quality on setting of irreversible hydrocolloid impression materials [ J ]. J Prosthet Dent,2006,96 (9) : 443 - d48.
7Bayindir F,Yanikoglu N,Duymus Z. Thermal and pH changes,and dimensional stability in irreversible hydrocolloid impressionmaterial during setting[J]. Dent Mater J,2002,21 (2) :200 - 209.
8Kim K M,Lee J S,Kim K N,et at. Dimensional changes of denta - limpression materials by thermal changes [ J ]. J Biomed Mater Res, 2001,58(3) :217 - 220.
9Corso M,Abanomy A,Di Canzio .l,et al. The effect of ternperature changes on the dimensional stabihty of polyvinyl siloxane and polyether impression materials[J].J Prosthet Dent ,1998,79(6):623 - 631.
4[2]Chaffee NR,Bailey JH,Sherrard DJ.Dimensional accuracy of improved dental stone and epoxy resin die materials.Part Ⅰ:Single die[J].J Prosthet Dent,1997,77(2):131 ～ 135
5[4]Blair FM,Wassell RW.A survey of the methods of disinfection of dental impressions used in dental hospitals in the United Kingdom[J].Br Dent J.1996,25,180(10):369～ 375
6[5]Council on Dental Materials,Instruments,and Equipment.Council on Dental Practice.Council on Dental Therapeutics.Infection control recommendations for the dental office and the dental laboratory[J].J Am Dent Assoc,1988,116(2):241 ～248
7[6]Jones ML,Newcombe RG,Barry G,et al.A Reflex Plotter investigation into the dimensional stability of alginate impressions following disinfection by varying regimes employing 2.2 per cent glutaraldehyde[J].Br J Orthod,1988,15(3):185～192
8[7]Matyas J,Dao N,Caputo AA.Effects of disinfectants on dimensional accuracy of impression materials[J].J Prosthet Dent,1990,64(1):25～ 31
9[8]al-Omari WM,Jones JC,Wood DJ.The effect of disinfecting alginate and addition cured si[icone rubber impression materials on the physical properties of impressions and resultant casts[J].Eur J Prosthodont Restor Dent,1998,6(3):103～ 110
10[9]Tan HK,Hooper PM,Buttar IA,et al.Effects of disinfecting irreversible hydrocolloid impressions on the resultant gypsum casts:Part Ⅲ-Dimensional changes[J].J Prosthet Dent,1993,70(6):532～ 537
