TY - GEN AU - Hirata,A AU - Naka,H AU - Nagaoka,Y AU - Fukumoto,Y AU - Motoyama,I TI - [The impacted upper central incisor (author's transl)] SN - 0046-7472 PY - 1978///0814 KW - Humans KW - Incisor KW - Maxilla KW - Tooth, Impacted N1 - Publication Type: Journal Article ER -