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Need To Know > Fitness and health > Ten ‘healthy’ summer foods and drinks that could be RUINING your teeth revealed by dentist – including ICED COFFEE
Dr Rosh warns that summer staples like iced coffee, citrus, and balsamic vinegar may secretly harm your teeth - from enamel erosion to staining and decay risks.
Fitness and health

Ten ‘healthy’ summer foods and drinks that could be RUINING your teeth revealed by dentist – including ICED COFFEE

Charlie Watton
Last updated: August 22, 2025 7:39 pm
Charlie Watton Published August 7, 2025
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Dr Rosh. (Jam Press/Lume Dental)
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A good diet and clean living can help you feel great – but one dentist is warning that many of these “healthy” foods could be ruining your smile.

Dr Rosh, a 32-year-old cosmetic dentist in Cheshire, has shared 10 common ingredients that are possibly taking a toll on your teeth.

This includes something as simple as a drizzle of balsamic vinegar on your salad – that is secretly staining your pearly whites – to adding copious amounts of lemon to your daily water.

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And it’s bad news for iced coffee drinkers.

BALSAMIC DRESSING

Dr Rosh warns that summer staples like iced coffee, citrus, and balsamic vinegar may secretly harm your teeth - from enamel erosion to staining and decay risks.
Dr Rosh. (Jam Press/Lume Dental)

A go-to for summer lunches is a light, nutrient-rich salad.

But if balsamic vinegar is your dressing of choice, your teeth could be in a boat-load of trouble.

Dr Rosh said: “Acidic and darkly pigmented, this one single innocent addition can contribute to both enamel erosion and staining in individuals who are less diligent when it comes to regular tooth brushing.

“A great alternative and kinder to your teeth is apple cider vinegar.”

SMOOTHIES

A fresh smoothie bowl is a classic summer breakfast, but the natural sugar – combined with granola and frozen fruit chunks – could spell dental disaster.

Dr Rosh said: “Whilst frozen fruit chunks can chip teeth if bitten directly, crunchy cereal can be hard and sticky, lodging between teeth – so make sure you floss.”

ICED TEA & COFFEE

(Jam Press/Lume Dental)

Your go-to caffeine hit and cooling drink could be dampening your pearly whites – even if it’s low-calorie or sugar-free.

Dr Rosh, who is also the clinical director at Lume Dental, said: “The only neutral thing about them is the shade of beige they could stain your teeth due to tannins.

“Some bottled iced teas are surprisingly acidic, too.

“Brush like you’ve just consumed a full-fat Coke afterwards, though, and you should be fine.”

SPARKLING WATER

Whether it’s flavoured or plain, sparkling water is seen as a healthier choice when it comes to a refreshing drink.

But the beverage exposes your gnashers to carbonic acid, as reported by NeedToKnow.

Dr Rosh said: “Over time, this can weaken enamel, particularly with flavoured versions which are often more acidic.

“Everything in moderation.”

WATERMELON

Dr Rosh warns that summer staples like iced coffee, citrus, and balsamic vinegar may secretly harm your teeth - from enamel erosion to staining and decay risks.
Watermelon. (Picture: Jam Press)

Despite its low-calorie content, this hydrating and refreshing fruit possesses a bunch of dental risks.

Dr Rosh said: “Watermelon seeds can crack or chip molars if accidentally bitten.

“The natural sugars in the fruit can still contribute to decay if residue is left on teeth, too – particularly after frequent snacking or picnics by the pool.”

CORN ON THE COB

A classic inclusion at the British BBQ, corn on the cob is a tasty treat, but one that comes with a warning.

Dr Rosh said: “High in fibre, this grilled treat is great for digestion.

“But be careful.

“Biting directly into the cob can damage veneers and fillings – or even chip teeth if already weakened.”

FRO-YO

Dr Rosh warns that summer staples like iced coffee, citrus, and balsamic vinegar may secretly harm your teeth - from enamel erosion to staining and decay risks.
Frozen yoghurt. (Picture: Jam Press)

Often considered a healthier option to ice cream, fro-yo is still high in sugar, which could damage your tegs, says Dr Rosh.

She added: “[Add-ons such as] nuts are [also] often sprinkled liberally, as well, posing risk to veneers or unstable teeth if bitten without care.”

DARK BERRIES

Dark berries are known for being great for your health, boasting a bunch of antioxidants and vitamins.

However, they can dampen your smile by staining enamel and cause decay to your teeth, according to the dentist.

ICE LOLLIES

Suck, don’t bite.

Biting into ice lollies directly can chip your teeth, damage enamel and increase sensitivity.

CITRUS

Dr Rosh warns that summer staples like iced coffee, citrus, and balsamic vinegar may secretly harm your teeth - from enamel erosion to staining and decay risks.
Balsamic dressing. (Picture: Jam Press)

Lemons, limes, grapefruits and oranges can lead to early signs of decay.

Regular brushing must follow consumption of these citrus-rich fruits.

Rosh said: “Virtuous or not, summer snacks all leave their mark on your teeth.

The good news?

“You don’t need to give anything up.

“Enjoy citrus, berries, frozen treats, bubble teas, trending Dubai chocolate, or anything else the season offers.

“Just be mindful.

“Rinse with water after acidic foods, avoid biting into anything too hard and brush and floss on a regular basis.”

READ MORE: Toddler given paracetamol for what doctors thought was fever – but was actually rare genetic illness – fighting for her life as NHS deadline for £500,000 treatment looms

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