Dentist explains exactly how often you should replace your toothbrush to avoid getting ill

By Staff 6 Min Read

Many of us now use an electric toothbrush, with replaceable heads. But how often should you be changing them? A lot of people are unsure about when is best to do it

We all know that keeping our pearly whites in tip-top shape is crucial for our oral health and overall wellbeing.

However, many of us might be guilty of not swapping out our toothbrush or electric brush heads as often as we should. The truth is, a lot of people are in the dark about the tell-tale signs of wear on their toothbrushes and just how frequently they ought to be changing them.

Sonic Dental’s very own dentist, Hajra Sarwar, has dished out some expert advice on when it’s time to ditch your old toothbrush, whether you’re using a manual or an electric one, reports Bristol Live.

When to chuck out a manual toothbrush

Hajra advises: “It is recommended to replace your toothbrush every three months, or sooner if the bristles are frayed. Frayed bristles are less effective at cleaning teeth and gums.” Pro tip: If you’ve been under the weather, it’s wise to get a new toothbrush once you’re better to prevent any chance of getting sick again.

When it’s time to swap electric toothbrush heads

According to Hajra: “Like with manual toothbrushes, it is recommended to replace them every three months, or sooner if bristles are frayed.” Pro tip: Opt for an electric toothbrush that comes with a pressure sensor and make sure to clean the base of the handle regularly to stop the accumulation of toothpaste and water. Always stick to the manufacturer’s instructions for looking after your gadget.

When you should get new interdental brushes

Hajra advised: “Replace interdental brushes every seven to 10 days, or sooner if the bristles start to look worn or shabby or if the wire starts to deform. They can wear out quickly, especially with regular use.”

When to replace mouthguards

For those using mouthguards for sports or to prevent teeth grinding, Hajra recommended: “If you use a mouthguard for sports or bruxism (teeth grinding), replace it as needed or according to your dentist’s recommendations. Inspect it regularly for signs of damage.”

When to replace a tongue scraper

On the topic of tongue scrapers, Hajra said: “If you use a plastic tongue scraper with bristles, it should be replaced every three months.”

When to replace water flosser tips

And regarding water flosser tips, Hajra stated: “Water flosser tips should be replaced every three to six months, depending on usage and the specific type of tip – see the manufacturer’s guidelines for your device.”

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