Me yasa aka kebe Ranar Lafiya ta Baki ta Duniya a ranar 20 ga Maris?

An kafa Ranar Lafiya ta Baki ta Duniya a shekara ta 2007, ranar farko ta haifuwar Dr Charles Gordon ita ce ranar 12 ga Satumba, daga baya, lokacin da aka ƙaddamar da yaƙin neman zaɓe a 2013, an zaɓi wata rana don guje wa haɗarin FDI World Dental Congress a watan Satumba.Daga ƙarshe ya canza zuwa Maris 20, Akwai dalilai uku:

1. Manya na bukatar samun hakora na dabi'a akalla 20 a karshen rayuwarsu cikin koshin lafiya

2. Yara kanana su samu hakora 20

3. Manya masu lafiya yakamata su kasance da hakora 32 da cavities 0

China Carton Haƙoran haƙora Kids Brush factory da kuma masana'antun |Chenjie (puretoothbrush.com)

Dalilai uku suna nuna 3,2,0 da yawa, don haka ranar 20 ga Maris.