Dentists recommend flossing but would you use food flavored floss?
Archie McPhee offers a line of floss that taste like fried bacon, waffles, coffee and cupcakes.
Bacon Floss: Now you can improve your dental hygiene while enjoying the amazing flavor of crispy fried bacon. Is there anything bacon can't improve? Each 2-1/2" tall plastic dispenser contains 27.3 yards of waxed floss ($4.95 at Archie McPhee)

Breakfast Floss: Who needs breakfast when you've got Breakfast Floss? Start off your day by using the coffee flavor on your lower teeth, then switch over to the waffle and bacon flavors for your uppers. Quite possibly the most delicious way to keep yourself out of the dentist's chair. Each package contains three 1-1/2" tall plastic dispensers that contain 12 yards of waxed dental floss ($5.95 each)

Frosting Flavored Cupcake Floss: Turn a boring nightly routine into a party in your mouth with Cupcake Floss! Be careful though, the delicious frosting flavor might turn you into a flossaholic! Each 2-1/2" tall plastic dispenser contains 27.3 yards of waxed floss ($4.95)

Source: Food Network Magazine