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.
Re: how long do i have to wait to eat after a filling? Depends what kind of filling, and how numb you are. If its a compostie filling, you can eat right away, as long as you're not too numb, a silver fill you shoud wait 2 hours, and then eat soft foods only for 24 hours.