Int J Oral Biol 46:85-93, 2021
https://doi.org/10.11620/IJOB.2021.46.2.85
The authors regret and would like to change the Acknowledgements.
BEFORE
Acknowledgements
This study was supported by a research fund from Chosun University Dental Hospital, 2020.
AFTER
Acknowledgements
This study was supported by a research fund from Chosun University, 2020.
The authors would like to apologise for any inconvenience caused.