• Jonathan Shiek

Here’s Why You Should Swap Out Your Old Toothbrush With A New One

Please tell me you haven’t been keeping your toothbrush for over a year, because I know a lot of people who do this. Did you know that there are so many red flags to using old toothbrushes? If you’re reading this and you’re still using a toothbrush for over 4 months, please kindly get a new one (please).

There are researches done that indicates worn out toothbrushes with bristles that are splayed apart or blunted are less effective at plaque removal and prevention of gingival recession than new toothbrushes. So it isn’t just hygiene purposes, but may also be bad news for your gums!

“If plaque deposits are not regularly disrupted, they can absorb minerals from saliva and form a hard substance called calculus (tartar), which cannot be removed using a brush or dental floss,” Dr. Iafolla, DMD, MPH, chief of the Program Analysis and Reporting Branch at the National Institute of Dental and Craniofacial Research said. “The chronic inflammation caused by calculus deposits at or below the gum line is what leads to periodontal disease.” Lingering plaque opens the door to multiple oral health complications, including decay, gingivitis, and eventually gum disease.

On a more obvious note, the older your toothbrush is, the more germs it harbours. A study done in 2015 by ​Journal of Natural Science, Biology and Medicine​ determined that three-month-old toothbrushes had heavy bacterial contamination which included fecal matter (EWW)! The recommended span to replace your brush would be around 3-4 months, but age is just a number, the condition of your brush is more important than how long you’ve used it for.

Have you been using the same toothbrush for more than a year?


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