TY  - RPRT
TI  - Rationale and methods for crown lengthening.
AU  - F Palomo
AU  - R A Kopczyk
PY  - 1978
DO  - 10.14219/jada.archive.1978.0066
UR  - https://pubmed.ncbi.nlm.nih.gov/272411/
ID  - 272411
ER  -