Affiliation: | a DMD/PhD student, Department of Prosthodontics, School of Dentistry, University of Alabama at Birmingham, Birmingham, Ala b Professor and Assistant Dean for Clinical Research, Department of Prosthodontics, School of Dentistry, University of Alabama at Birmingham, Birmingham, Ala c Associate Professor, Department of Diagnostic Sciences, School of Dentistry, University of Alabama at Birmingham, Birmingham, Ala |