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Article History

Received: 14 March 2021

Accepted: 26 April 2021

First Online: 4 May 2021

Declarations

:

: This study was approved by the ethics committee of the Faculty of Dentistry of the Universidad Central de Venezuela CB-78-2019. A written informed consent was obtained from all subjects participant in this research, if subjects were under 18 years old, from a parent and/or legal guardian. All methods were carried out in accordance with relevant guidelines and regulations.

: Not applicable.

: The authors declare that they have no competing interests.