Good Teeth Day in Japan
Good Teeth Day in Japan is held on November 8. Iiha No Hi. This event in the first decade of the month November is annual. 
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Teeth-whitening services and dentists love this day more than anyone else, because a series of promotions around this time of the year drag people to look in the mirror and ask for a better smile. The day derives from 1 (i) 1 (i) and 8(ha), “ii” meaning good and “ha,” teeth.
Similar holidays and events, festivals and interesting facts
National Medical Science Liaison Awareness and Appreciation Day in USA on November 7
International Medical Physics Day on November 7
International Day of Radiology on November 8 (World Radiography Day);
World Dyslexia Day on November 8
Digital Health Week in Canada on November 10 (date for 2025. Digital Health Week, as well as National Kinesiology Week - a discipline that studies muscle movement in all its manifestations);
World Keratoconus Day on November 10
National School Psychology Week in the United States on November 10