TY  - GEN
AU  - Keller,U
TI  - [Long-term results with retrograde root filling using aluminum oxide ceramic material in the surgical preservation of teeth]
SN  - 0012-1029
PY  - 1988///0928
KW  - Aluminum
KW  - Aluminum Oxide
KW  - Biocompatible Materials
KW  - Ceramics
KW  - Humans
KW  - Root Canal Filling Materials
KW  - Time Factors
N1  - Publication Type: English Abstract; Journal Article
ER  -