Tsiku la World Oral Health Day linakhazikitsidwa koyamba mu 2007, Tsiku loyamba la kubadwa kwa Dr Charles Gordon ndi September 12, Pambuyo pake, pamene ntchitoyo inakhazikitsidwa kwathunthu mu 2013, Tsiku lina lasankhidwa kuti lisawonongeke FDI World Dental Congress mu September.Pambuyo pake adasinthidwa kukhala Marichi 20, Pali zifukwa zitatu:
1. Okalamba ayenera kukhala ndi mano achilengedwe 20 kumapeto kwa moyo wawo kuti akhale athanzi
2. Ana ang'onoang'ono akhale ndi mano makumi awiri
3. Akuluakulu athanzi ayenera kukhala ndi mano 32 ndi mabowo 0
China Katoni Toothbrush Ana fakitale ndi opanga |Chenjie (puretoothbrush.com)
Zifukwa zitatu zikuwonetsa angapo 3,2,0, ndiye tsiku la Marichi 20.
Nthawi yotumiza: Mar-20-2023