Stock up on toothpaste for less during Amazon’s Prime Big Deal Days. You can find a three-pack of Sensodyne Pronamel toothpaste that helps gently whiten teeth. It’s gentle, making it the ideal toothpaste for sensitive teeth.

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.