Historical clue formulations

• University that shares its name with an oral hygiene brand — 2024-06-25
• Old "It cleans your breath while it cleans your teeth" sloganeer — 2018-11-04
• Ipana competitor, once — 2015-05-27
• Brand behind the mouthwash Plax — 2014-12-12
• School in the Patriot League — 2011-03-20
• School in the Patriot League — 2010-01-15
• University in Hamilton, N.Y. — 2003-11-09
• 1950's TV variety show sponsor — 1999-03-13