TY - GEN AU - Barber,A F AU - Sims,M R TI - Rapid maxillary expansion and external root resorption in man: a scanning electron microscope study SN - 0002-9416 PY - 1981///0723 KW - Activator Appliances KW - Adolescent KW - Child KW - Dental Cementum KW - anatomy & histology KW - Female KW - Humans KW - Male KW - Microscopy, Electron, Scanning KW - Palatal Expansion Technique KW - adverse effects KW - Root Resorption KW - etiology KW - Tooth Calcification N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1016/0002-9416(81)90356-0 ER -