4Ziebert G, Hurtado A, Gapa C, et al. Accuracy of one-piece casting, preceramic and postceramic soldering [J]. Prosthet Dent, 1986,55(3):312-317.
5Togaya T, Shinosaki T. Introduction to 1aster welding in Dentistry[J]. Quint Dent Tech,1999,24(6):740-749.
6G oto Y, Brudvik JS. Custom precision attachment housings for removable partial dentures[J]. J Prosthet Dent, 2002,88(1):100-102.
7Bertrand C, Le Petitcorps Y, Albingre L, et al. The laser welding technique applied to the non precious dental alloys procedure and results[J].Br Dent J,2001,190(5):255-257.
8Lee WV, Nicholls JI, Butson TJ, et al. Fatigue life of a Nd:YAG laser-welded metal ceramic alloy[J].Int J Prosthodont,1997,10(5): 434-439.