Van Chuyen, Nguyen http://orcid.org/0000-0002-8034-4860
Van Du, Vu
Van Ba, Nguyen
Long, Dao Duc
Son, Ho Anh
Article History
Received: 20 March 2021
Accepted: 3 July 2021
First Online: 16 July 2021
Declarations
:
: All procedures performed in the present study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the declaration of Helsinki 1975, which was revised in 2000. Approval to conduct the study was obtained from the Institutional Review Board of the Vietnam Military Medical University (decision no. 350/2016/YTCC-HD3, dated 29/12/2016). All principals of the selected schools agreed for us to conduct this study in their schools. Informed consent forms were obtained from children’s parents or guardians before the survey, the content of which included information explaining the study objectives and the right to withdraw from the study at any time without consequences. Treatment of dental caries detected during the survey was suggested to children’s parents and children were referred to dental offices.
: Not applicable.
: The authors declare that they have no competing interests.