@misc{indiciae57fc9fb7756c,
  title = {Protective coatings for tooth crowns.},
  author = {A D Johnston and R L Bowen},
  year = {1991},
  doi = {10.14219/jada.archive.1991.0133},
  url = {https://pubmed.ncbi.nlm.nih.gov/2022787/},
  note = {Source identifier: 2022787}
}