Save AU$39.01 Most electric toothbrushes can be expensive, but this Sonicare Series 2100 is brilliant value at 50% off. It promises to remove up to three times more plaque than a regular brush without being too harsh on your gums. There's even a timer feature that you can use to know exactly how long you need to clean each part of your mouth.

Here's a deal to sink your teeth into: the Oral-B Genius has dropped from $199 to just $99 at Amazon. That's a substantial 50% off the original price — a saving that's sure to make you smile. But that's not all. We've rounded up a range of electric toothbrush deals to suit different needs and budgets.

From electronics to fashion trends, home appliances to health and beauty – these are 25 of the biggest discounts on Amazon right now.