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I’m a dentist and most clients ask for the same two celebrity smiles – there’s a £4 treatment that will achieve it

Published on June 23, 2025 at 11:28 AM

A DENTIST to the stars has revealed which two celebrity smiles patients ask him to replicate most often.

Dr Kal Prajapat, 28, shared what dentists view as the “perfect smile”; and the £4 tool that can help you get it.

Dr. Kal Prajapat, cosmetic dentist.
Cosmetic dentist Dr Kal Prajapat said he frequently gets asked to replicate two celeb smiles
Margot Robbie smiling at the Breakthrough Prize Ceremony.
The first of these was Margot Robbie’s as ‘her teeth follow her lower lip perfectly’
Cheryl at The Greatest Dancer photocall.
Cheryl Cole’s smile comes in at a ‘close second’

He’s been a cosmetic dentist for 10 years and is opening a new practice in later this year.

Dr Kal said having the perfect grin is now seen as a “status symbol”; with more and more young people after work after coming across flawless pearly whites on and .

“Clients come to me with a reference picture from a famous person – usually an influencer – like you’d do at the hairdresser,”; said the dentist from .

“ is the most popular right now because in a dentist’s view, she has the perfect smile.

“Her smile fits her face well with its beautiful shape and natural characteristics.

“Her follow her lower lip perfectly, and she has a tall buccal corridor smile – where a noticeable space exists between the sides of the upper teeth and corners of the mouth.

“ Cole is a close second.”;

He says people in their 20s are seeking dental procedures, taking cues from and popular programmes like .

Dr Kal added: “The advent of TikTok and Instagram has resulted in younger people wanting to have work done to their teeth.

“Before, it was veneers that were popular among older people, as they typically had more disposable income.

“Now people in their teens and 20s are wanting work done to get the perfect ‘Instagramable’ grin.”;

Asked how to get “instant results”; and a whiter smile, he recommends using an interdental toothbrush – a small, thin brush used to clean between teeth and along the gumline, where a regular toothbrush can’t reach.

They are available for around £4 from supermarkets.

“For instant results but without a bid price tag, I recommend using an interdental toothbrush after regular brushing,”; he said.

Close-up of a woman using an interdental brush.
Dr Kal recommended using interdental brushes to brush up your smile
Interdental toothbrush.
They cost £4 and can get into the nooks and crannies your regular brush can’t reach

“They clean where routine brushing misses, meaning better gum and a whiter smile.

“I can immediately tell if a patient uses them by a glance at their teeth.”;

With a practice in Stone and Stoke-on-Trent, Staffordshire, and soon to be Harrods, London, Dr Kal has a wide range of clients, including a few celebs.

Despite invasive procedures like veneers once being in high demand, Dr Kal says “less is more for a long-lasting smile”; and promotes non-invasive composite bonding, Invisalign, and professional teeth whitening.

Featuring in ‘s recent season of The Price Of Perfection on ITV, he discusses the unrealistic cosmetic dental standards set by influencer culture.

“People are using their teeth as a status symbol, like you might do with a designer bag or watch.”; Dr Kal said.

“And it’s not just women, I’ve seen a rise in men seeking dental work.

“They’re not embarrassed or shy, and why should they?

“A lovely smile is beautiful on men and women.

“I like to promote non-invasive procedures like composite bonding, plus they don’t affect the quality of the tooth through drilling or filling.

“Less is more when it comes to dental procedures – that and an enamel-safe toothpaste, and I recommend an electric toothbrush.”;

Teeth whitening ‘hacks’ to avoid

Understanding that not everyone can afford cosmetic dentistry, Dr Kal said: “I don’t recommend whitening strips, they’re too chemically abrasive for the teeth.

“It diminished the enamel, making the teeth more vulnerable to damage and cavities.

“A good enamel-safe toothpaste is where you should start, and preferably an electric toothbrush.

Oil pulling is an ancient medicinal practice which some people favour to get a whiter smile, but evidence supporting its use is quite low.

“Teeth whitening is where I recommend people spend their money, by going to a professional.

“It’s more effective, safer and longer-lasting due to the EU-regulated chemicals we use.

“It’s a not everyone can or wants to indulge in.

“If it’s not something you can afford, an interdental toothbrush is your go-to product.

“Everyone should be using them.”;

A dentist standing in his dental office.
Dr Kal advised against using whitening strips or oil pulling
Close-up of Dr. Kal Prajapat smiling.
Get an enamel safe toothpaste and electric toothbrush instead

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