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.
So, I learned from my dentist that brushing your teeth for about 30 mins after your coffee can do harm than good. It has to do with enamel. From a website that corroborated the info: After drinking fizzy or acidic drinks, the acid burns into the enamel of your teeth - and the layer below the enamel, called 'dentin'.