The effect of asbestos-alternatives on the accuracy of cast veneer crowns
Anti Yli-Urpo, Gudbrand Øilo and Morten Syverud | June 3rd 1982
The effect of three different lining materials on the investment expansion during the casting procedure, was compared. The accuracy of the castings was assessed by measuring slits at the gingival shoulder of a cast veneer crown. The liners were made of asbestosos, paper and a glassfiber material.