Affiliation: | 1. Unit 5071, APO AP 96328, 315‐225‐8864, 374 Medical Group, Yokota, AB, Japan;2. Dental Materials Research, USAF Dental Evaluation and Consultation Service, Fort Sam Houston, Texas 78234, 210‐539‐7036;3. 2‐yr Advanced Education in General Dentistry Residency, 1615 Truemper St, Joint Base San Antonio, Lackland, Texas 78236, 210‐671‐9433 |