This is a test of commonsense. Complete the next sentence:

How to pick your teeth without a toothpick
Use some floss.
The absolutely ideal thing to use to tackle anything stuck between your teeth is some dental floss. If you have some handy, or keep some in your desk drawer at work, this is your best choice.
This is the safest and most effective way to clean out food from between your teeth. Break off a length of floss that is about a foot long.