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The International Journal of Prosthodontics
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Int J Prosthodont 8 (1995), No. 3     1. May 1995
Int J Prosthodont 8 (1995), No. 3  (01.05.1995)

Page 280-284


Lithium Ion Strengthening of Dental Porcelain
Piddock / Qualtrough / Slevin / Fernandes
The effects of experimental lithium-containing ion exchange pastes on dental porcelain were compared with a commercial ion stregthening paste. Maximum biaxial flexure strength using the experimental pastes was obtained by firing lithium paste containing 200 g per L lithium sulphate dihydrate for 45 minutes at 750 degress celcius onto the surface of the porcelain. However, the commercial paste produced the greatest strengthening overall.