Canine substitution.

@article{Carter1997CanineS,
  title={Canine substitution.},
  author={A. H. C. Carter and A H Sather},
  journal={American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics},
  year={1997},
  volume={112 3},
  pages={316-9}
}