Invisalign is a remarkable orthodontic alternative to traditional metal braces that straightens teeth using removable clear plastic aligners that are virtually invisible when worn. While this method is usually used to treat both the top and bottom teeth simultaneously, some patients may only need the treatment for their top set if the bottom one is in good alignment. Here’s a brief guide to how Invisalign works and when it may be appropriate to wear aligners only on the top teeth.

Your toothbrush is your primary weapon against the bacteria that cause tooth decay and gum disease, but it will wear down and accumulate unpleasant residues with age. Continuing to clean your teeth with an older toothbrush can lead to inadequate results and expose your mouth to infectious germs. Here’s a guide to why you should change your brush regularly as well as a few tips for choosing the best replacement.