Finish the following sentence with the best choice: How should I brush my teeth?

Choices:
- Angle the toothbrush upwards when brushing, that way you'll clean under your gums.
- Angle the toothbrush in front of your lips when brushing, that way you'll clean under your gums.

Answer:
Angle the toothbrush upwards when brushing, that way you'll clean under your gums.