TY - RPRT TI - New direct bonding system for plastic brackets. AU - F Miura AU - K Nakagawa AU - E Masuhara PY - 1971 DO - 10.1016/0002-9416(71)90231-4 UR - https://pubmed.ncbi.nlm.nih.gov/4926844/ ID - 4926844 ER -