@misc{indiciaeaf550a8b97e7,
  title = {Nightguard vital bleaching: effects on enamel surface texture and diffusion.},
  author = {V B Haywood and T Leech and H O Heymann and D Crumpler and K Bruggers},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2082412/},
  note = {Source identifier: 2082412}
}