Comparison of the load at failure of soldered and nonsoldered porcelain-fused-to-metal crowns.

Statement Of Problem: The application of solder material to metal frameworks could affect the porcelain-to-metal failure load and possibly compromise the longevity of porcelain-fused-to-metal crowns.

Purpose: This in vitro study assessed the influence of solder on the porcelain failure load between metal and porcelain, using crown-shaped specimens.

Material And Methods: Forty standardized crown patterns were fabricated on a metal die and cast with noble alloy (Protocol).