@misc{indiciaeaf8cac55916f,
  title = {Invisalign material studies.},
  author = {Timothy T Wheeler},
  year = {2004},
  doi = {10.1016/j.ajodo.2004.01.010},
  url = {https://pubmed.ncbi.nlm.nih.gov/15025081/},
  note = {Source identifier: 15025081}
}