@article{tomiko sano2003defect,
  title={Congenital defect of maxillary primary central incisor
associated with exposed pulp and gingiva: case report},
  author={tomiko sano,mieko tomizawa,hiroko ida-yonemoch,yoshihiro tanabe,tadashi noda},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={28},
  number={1},
  pages={39--42},
  doi = {10.17796/jcpd.28.1.n74q771v51217902},
  year={2003}
}