Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de São Paulo (2015/06866-5)
Text and Data Mining valid from 2018-07-02
Received: 13 February 2018
Accepted: 29 May 2018
First Online: 2 July 2018
Ethics approval and consent to participate
: The protocol of this study was reviewed and approved by the Ethical Committee of the School of Dentistry of Ribeirão Preto, University of São Paulo (approval # 34805914.9.0000.5419).
: Signed informed consent for releasing diagnostic records for scientific purposes was available from the patients or their parents.
: The authors declare that they have no competing interests.
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