I believe it was b 1999 when they had the appropriate technology
The answer is C :) I hope this helps!
Try chewing some gum, of your choice,
don't use mouthwash for a bit (the alcohol can make your mouth drier)
reduce your caffeine intake, stay away from caffeinated drinks like coffee, and even soda.
A routine? That’s what is seems like he’s doing. Any answer choices?