Compratative distortion in three-unit fixed prostheses joined by laser welding, conventioanl soldering, or casting in one piece.
This study evaluated three different joint-forming procedures: laser welding, soldering, and one-piece casting. Fifteen three-unit bridges were fabricated. The findings showed post-jointing distrotion to be significantly less for laser-welded and one-piece  castings than for soldering; and significantly greater reliability (least error variance) in joining with the laser than either one-piece casting or  soldering.
D000044:Dental Abutments; D003735:Dental Casting Technique; D012994:Dental Soldering; D003779:Denture Design; D003830:Denture, Partial, Fixed; D007834:Lasers; D013499:Surface Properties