000001289 001__ 1289 000001289 005__ 20231128134326.0 000001289 0247_ $$2DOI$$a10.6083/M4RF5S67 000001289 037__ $$aETD 000001289 245__ $$aA mechanical model for the resolution of forces produced by symmetric and asymmetric headgear 000001289 269__ $$a1987 000001289 336__ $$aThesis 000001289 502__ $$bCertificate in Orthodontics 000001289 540__ $$fCC BY 000001289 542__ $$fIn copyright - single owner 000001289 650__ $$aOrthodontic Appliances$$023305 000001289 6531_ $$aremovable 000001289 7001_ $$aBirdwell, David J. 000001289 8564_ $$9c0905dfc-1320-4ec9-b685-9257afb72879$$s4359005$$uhttps://digitalcollections.ohsu.edu/record/1289/files/1991_etd.pdf 000001289 905__ $$a/rest/prod/59/99/n3/50/5999n3502 000001289 909CO $$ooai:digitalcollections.ohsu.edu:1289$$pstudent-work 000001289 980__ $$aTheses and Dissertations