It has been drilled into us since we were children when and how to brush our teeth. We know how to keep our teeth white, but how about our toothbrushes? Are they supposed to last for a lifetime, or must they be changed frequently, just like any other oral hygiene...
Many of us dread going to a dentist or orthodontist because of one simple question: “How often are you brushing your teeth?” This question fills many of us with guilt, even though we’re brushing and flossing as per our dentist’s instructions....