b : a feeling of nervousness, excitement, or fear that is created in a movie, book, etc. 1  The dramatic tension was very satisfying. 2  The author resolves the tension too soon.
You should know, however, that brushing your teeth after eating can sometimes affect your tooth enamel. According to the Mayo Clinic, if you've consumed anything acidic, you should avoid brushing your teeth for at least 30 minutes. Foods containing citric acid, like oranges, grapefruits and lemons, weaken tooth enamel. Brushing too soon after eating them can damage the enamel in its weakened state.
I'd encourage people to brush after lunch as well. If you brush at eight in the morning and go to bed at 10 or 11 at night, you've got 14 or 15 hours of eating, for bacteria to build up.. But too much brushing, with bad technique, can cause other problems.