Conflicts of Interest
D.T. and A.L.-U. received a research grant and Nutri-PEITC Jelly products from a non-profit organization, Dental Innovation Foundation under Royal Patronage, Thailand. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results. The authors have full control of all data and reports.