@misc{indiciaedd4179817b93, title = {Using a tooth-reduction guide for modifying natural teeth.}, author = {L K Gardner and A O Rahn and G R Parr and D W Richardson}, year = {1990}, doi = {10.1016/0022-3913(90)90319-8}, url = {https://pubmed.ncbi.nlm.nih.gov/2362243/}, note = {Source identifier: 2362243} }