Survival of Implant-Supported All-Ceramic Prostheses

"Zirconia computer aided design and computer milled cores with press on veneers with different thicknesses, gingival embrasure diameters and connector heights.~Fifty percent of the recruited subjects will be given a ceramic-ceramic bridge at baseline."

"Metal Ceramic prosthesis with press on veneer with different thicknesses, different diameters of curvature of gingival embrasure and connector heights.~Fifty percent of the recruited subjects will receive the metal-ceramic bridges at baseline."