A Vestibular Rapid Palatal Expander.

@article{Porseo2016AVR,
  title={A Vestibular Rapid Palatal Expander.},
  author={Mauro Porseo and Barbara Monaco and Felice Festa and Gianluigi Fiorillo},
  journal={Journal of clinical orthodontics : JCO},
  year={2016},
  volume={50 2},
  pages={110-7}
}