Kaewkamnerdpong, Issarapong
Harirugsakul, Punkanit
Prasertsom, Piyada
Vejvithee, Warangkana
Niyomsilp, Kornkamol
Gururatana, Orachad
Article History
Received: 25 August 2022
Accepted: 13 January 2023
First Online: 22 January 2023
Declarations
:
: The protocol was approved by the Human Research Ethics Committee of the Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand (HREC-DCU 2019-002). The questionnaire was tested for psychometric properties. Clinical oral examinations followed the WHO oral health survey’s basic method. The questionnaire and data collecting procedures were approved by the Bureau of Dental Health, Ministry of Public Health of Thailand. Informed consent was waived by Human Research Ethics Committee of the Faculty of Dentistry, Chulalongkorn University, Bangkok as the study design was retrospective. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.