@article{park j h2020modified,
  title={A Modified Pontic Appliance for Missing Maxillary Incisors},
  author={harrison s d,park j h},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={44},
  number={2},
  pages={123--126},
  doi = {10.17796/1053-4625-44.2.10},
  year={2020}
}