@article{ hyun-jung kim2020spontaneous,
  title={Delayed Spontaneous Eruption of Severely Infraoccluded Primary
Second Molar: Two Case Reports},
  author={na-young oh,soon-hyeun nam,jae-sik lee, hyun-jung kim},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={44},
  number={3},
  pages={185--189},
  doi = {10.17796/1053-4625-44.3.9},
  year={2020}
}