TY - GEN AU - Nenninger,H TI - [Approximal abrasion. Comment on E. Souervein's report in Quintessenz, No. 7, 1970] SN - 0033-6580 PY - 1972///0418 KW - Dentistry KW - Molar KW - Tooth Erosion N1 - Publication Type: Journal Article ER -