Dentists have been telling us for years that brushing our teeth at least twice a day is the best routine when it comes to maintaining a healthy mouth.

The next time you find yourself standing in the toothbrush aisle at your local drugstore, here are a few things you should know about toothbrush bristles:

• Medium or soft: Most dentists will recommend soft bristles for brushing, but for some, a stiffer bristle feels like it gets more plaque off of their teeth or gums. It isn’t necessary to use a medium bristle toothbrush, however. Soft and even extra soft bristled brushes can remove just as much plaque without injuring sensitive gums.

• Shapes and sizes: Toothbrushes come in all shapes and sizes these days. Choosing one that fits well in your mouth is ideal. When choosing a brush with bristles that provide certain features, it’s important to understand what your needs are. For example, if you need additional help brushing around teeth, using a brush with a special cup of bristles will help. Using a brush with longer bristles will help get in between teeth better.

If you are still struggling choosing a toothbrush that is right for you, consider talking to your dentist and asking for suggestions.