TY - THES AU - Villalobos, Rodolfo R. DA - 1975 DO - 10.6083/M4513WD0 DO - DOI ID - 1788 KW - Dental Arch KW - Orthodontic Retainers L1 - https://digitalcollections.ohsu.edu/record/1788/files/2491_etd.pdf L2 - https://digitalcollections.ohsu.edu/record/1788/files/2491_etd.pdf L4 - https://digitalcollections.ohsu.edu/record/1788/files/2491_etd.pdf LK - https://digitalcollections.ohsu.edu/record/1788/files/2491_etd.pdf PY - 1975 T1 - Lower arch changes in an orthodontic retention and non-retention group TI - Lower arch changes in an orthodontic retention and non-retention group UR - https://digitalcollections.ohsu.edu/record/1788/files/2491_etd.pdf Y1 - 1975 ER -