Affiliation: | 1. Department of Periodontics, The University of Texas Health Science Center, , San Antonio, TX, USA;2. Department of Comprehensive Dentistry, The University of Texas Health Science Center, , San Antonio, TX, USA;3. Department of Biomedical Engineering Program, University of South Dakota, , Sioux Falls, SD, USA;4. Department of Developmental Dentistry, The University of Texas Health Science Center, , San Antonio, TX, USA;5. Geriatric Research, Education and Clinical Center, Audie L. Murphy Division, South Texas Veterans Health Care System, , San Antonio, TX, USA |