TY - THES AB - The objective of this work is to measure and compare the clarity essential work of fracture and plastic work of fracture of six different orthodontic thermoplastic retainer materials before and after prolonged immersion in beverages. AD - Oregon Health and Science University AU - Knapp, Brandon DA - 2014 DO - 10.6083/M4N878JM DO - DOI ED - Ferracane, Jack ED - Mentor ID - 2908 KW - Orthodontic Retainers KW - Staining and Labeling KW - Polyethylenes KW - Orthodontics KW - dental materials analysis L1 - https://digitalcollections.ohsu.edu/record/2908/files/3678_etd_Redacted.pdf L2 - https://digitalcollections.ohsu.edu/record/2908/files/3678_etd_Redacted.pdf L4 - https://digitalcollections.ohsu.edu/record/2908/files/3678_etd_Redacted.pdf LK - https://digitalcollections.ohsu.edu/record/2908/files/3678_etd_Redacted.pdf N2 - The objective of this work is to measure and compare the clarity essential work of fracture and plastic work of fracture of six different orthodontic thermoplastic retainer materials before and after prolonged immersion in beverages. PB - Oregon Health and Science University PY - 2014 T1 - Fracture toughness, clarity, and staining of thermoplastic orthodontic retainer materials TI - Fracture toughness, clarity, and staining of thermoplastic orthodontic retainer materials UR - https://digitalcollections.ohsu.edu/record/2908/files/3678_etd_Redacted.pdf Y1 - 2014 ER -