Oops, it doesn't look like 'Teeth Cleaning day' is a national day..

Other days

Cat Girl Day

Frozen Yogurt Day

Self Appreciation Day

Promposal Day

Brow Day

Boba Day

Kale Day

Appreciate Yaself A Lil Extra Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Nae Nae Day