Dr. Sharukh S. Khajotia, professor and head of the Division of Dental Biomaterials and associate dean for research at the University of Oklahoma College of Dentistry, will give the UMMC School of Dentistry Grand Rounds presentation, "The Interface Between Biofilms and Biomaterials, and Why It Matters," at 8 a.m. on Tuesday, March 3, in classroom R153 (lower amphitheater).