World Oral Health Day was first established in 2007, Initial date for the birth of Dr Charles Gordon is September 12, Later, when the campaign was fully launched in 2013, Another day is chosen to avoid the FDI World Dental Congress crash in September. Eventually changed to March 20, There are three reasons:
1. Elderly people need to have at least 20 natural teeth at the end of their life as healthy
2. Young children should have 20 baby teeth
3. Healthy adults should have 32 teeth and 0 cavities
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Three reasons show multiple 3,2,0, hence the date of March 20.
Post time: Mar-20-2023