@article{palti_machado_silva_abdo_lima_2008,  title={Evaluation of superficial microhardness in dental enamel with different eruptive ages},  volume={22},  ISSN={1806-8324},  url={https://doi.org/10.1590/S1806-83242008000400005},  DOI={10.1590/S1806-83242008000400005},  number={4},  journal={Brazilian Oral Research},  publisher={Sociedade Brasileira de Pesquisa Odontológica - SBPqO},  author={Palti, Dafna Geller and Machado, Maria Aparecida de Andrade Moreira and Silva, Salete Moura Bonifacio da and Abdo, Ruy Cesar Camargo and Lima, José Eduardo de Oliveira},  year={2008},  month={Oct},  pages={311–315} }