TY - GEN AU - Heckmann,U AU - Plagemann,H TI - [The second deciduous molar and its importance for the development and treatment of the permanent teeth] SN - 0012-0790 PY - 1971///0519 KW - Dentition KW - growth & development KW - Humans KW - Molar KW - Tooth, Deciduous N1 - Publication Type: Journal Article ER -