@misc{indiciae6b74066783e5,
  title = {Tooth bleaching: its effect on oral tissues.},
  author = {L V Powell and D J Bales},
  year = {1991},
  doi = {10.14219/jada.archive.1991.0310},
  url = {https://pubmed.ncbi.nlm.nih.gov/1800542/},
  note = {Source identifier: 1800542}
}