Salamanca, Carlos
González-Hormazábal, Patricio
Recabarren, Andrea S.
Recabarren, Pamela A.
Pantoja, Roberto
Leiva, Noemi
Pardo, Rosa
Suazo, José
Article History
Received: 25 March 2020
Accepted: 25 May 2020
First Online: 3 June 2020
Competing interests
: The authors declare no competing interests.
: Informed consent for all participants was required, which was approved by the Institutional Review Board of the Faculty of Dentistry, Universidad de Chile (Protocol #2017/07).