@misc{indiciae2cf91bede5d7,
  title = {Causal relation between malocclusion and caries.},
  author = {S Helm and P E Petersen},
  year = {1989},
  doi = {10.3109/00016358909007704},
  url = {https://pubmed.ncbi.nlm.nih.gov/2782059/},
  note = {Source identifier: 2782059}
}