Citrus fruit peel and strawberries could be used for natural teeth whitening, it has been suggested.
On the blog EmpowHer, Darlene Oakley explained enamel discolours over time due to everyday habits, medications and aging.
She noted there were two types of stain. The first – extrinsic – is normally caused by food and drink, such as tea, coffee, red wine and soy sauce.
Regular brushing can help eliminate these and prevent them from occurring. The writer also recommended rubbing a home-made concoction of orange peel and lemon juice on them, or strawberries with baking soda.
However, if they are stubborn, people may want to undergo cosmetic dentistry and have a teeth whitening procedure.
Likewise, individuals who have the second type of stain – intrinsic – might find this option more suitable too.
This is because Ms Oakley explained decolouration of this variety is caused from the inside out, perhaps from overexposure to fluoride, lack of calcium or medical treatments like chemotherapy.
"In many of these cases, a professional dental whitening – which may include laser whitening – may be the only way to get rid of these stains," she stated.
People living in London who want this cosmetic dentistry procedure could find an oral health professional by searching online.