@misc{indiciaeaebaa26a05e7,
  title = {Tooth roughness after subgingival root planing.},
  author = {E Green and S P Ramfjord},
  doi = {10.1902/jop.1966.37.5.396},
  url = {https://pubmed.ncbi.nlm.nih.gov/5222800/},
  note = {Source identifier: 5222800}
}