@misc{indiciae3b08b3f47956,
  title = {A positioning device for direct bracket attachment.},
  author = {C N Smaha and E D Voth},
  year = {1972},
  doi = {10.1016/s0002-9416(72)90279-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4560168/},
  note = {Source identifier: 4560168}
}