If You Haven’t Replaced Your Tootbrush In 3 Months, This is A Must Read For You.

if-you-havent-replaced-your-tootbrush-in-3-months-you-need-to-read-this

What you’re worried about: That you’ve been reintroducing old bacteria into your mouth, or perhaps that you’ve actually been undoing all those months of faithfully flossing. Omg, have you been gradually yellowing your pearly whites all this time?

 

The very worst that could happen: Periodontal disease and tooth loss, due to a major buildup of plaque, says Melissa Thompson, DMD, who owns three Aspen Dental practices in Massachusetts. Over time, she explains, the firm bristles get frayed and become incapable of clearing the areas between the teeth and the plaque resting on each tooth’s surface. “Plaque not only causes cavities, but when it’s not removed from around the gum line, can cause inflammation and irritation leading to gingivitis or gum disease. If gingivitis is not treated, it can progress to periodontal disease and, possibly, tooth loss.”


What will probably happen: Some plaque buildup, but your toothbrush will probably become so frayed and unappealing that you’d almost always replace it before you did any real damage, says John Grbic, DMD, professor and director of the division of oral biology at Columbia University College of Dental Medicine. “A well-functioning toothbrush has bristles that bend,” he says. “When your brush is old, it’s hard not to notice,” he says.

 

One common issue, Thompson explains, is that people will overbrush in order to make up for a frayed toothbrush that is no longer doing its job as easily. Hallmarks of this include ultra sensitive gums and teeth and V-shaped notches near the gumline.

Also, you won’t always necessarily re-infect yourself if you were to continue using the same toothbrush after being sick. “Although bacteria and viruses can live up to three days on the toothbrush, your body should have built up the antibodies to fend them off and avoid a relapse,” says Edita Outericka, DMD at Dynamic Dental in Mansfield, MA. But if you’re particularly worried, it can’t hurt to swap in a new one, since the ADA recommends people replace their toothbrush approximately every 3 to 4 months anyway. A good way to keep track, says Thompson, is to change it every season—unless it clearly needs to go sooner.

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