@article{leyla koç öztürk2012parameters,
  title={Salivary Parameters and Caries Indices in Children with Black
Tooth Stains},
  author={aysun garan,serap akyüz,leyla koç öztürk,ayşen yarat},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={36},
  number={3},
  pages={285--288},
  doi = {10.17796/jcpd.36.3.21466m672t723713},
  year={2012}
}