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What can Invisalign® fix?

Crowded teeth

Crowded teeth is a condition where you do not have enough room for your teeth to fit normally. This can cause plaque or tartar and other harmful bacteria to build up as it is harder for you to brush and floss well.

Gaps between teeth

Gaps between teeth is when there is extra space between two or more of your teeth. This can cause pockets between your teeth and gums and can cause food to get stuck making them tender and sore. This might also lead to gum disease.

Open bite

An Open bite is when your upper and lower teeth don't touch when you close your mouth. An open bite can make it hard for you to chew or difficult to bite even the most common of food like apples.

Underbite

An underbite is when you close your mouth and your lower front teeth are in front of your upper teeth. In many cases, this is actually a problem with your lower jaw being too far forward. An underbite can make it hard to chew properly and speak clearly, and it might cause your teeth to wear down more quickly.

Overbite

An overbite is when your upper front teeth overlap with your lower front teeth. Most people have at least a little overbite. When your overbite is too large, your doctor might tell you you have a deep bite. This can cause problems, from your teeth wearing down to pain in your jaw.

Crossbite

A crossbite is when you close your mouth and yet some of your upper teeth are sitting inside your lower teeth rather than on the outside. A crossbite can make your teeth wear down or chip. It can also make your gums start to recede or make little notches above your gum line. This kind of damage can lead to painful gum problems or even bone loss.

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Invisalign® is an advanced clear aligner system to straighten your teeth.

The clear, comfortable way to a straighter smile.

Invisalign is the world’s leading clear aligner system and for good reason. Using a series of virtually invisible, custom-made aligners, it gently guides your teeth into their ideal position without the brackets, wires or lifestyle restrictions of traditional fixed braces. For many of our patients, it is the treatment that finally makes a straighter smile feel possible.

Each set of aligners is crafted from smooth, BPA-free plastic, trimmed precisely to your gum line for a discreet and comfortable fit. You wear them for 20 to 22 hours a day and simply swap to the next set in your sequence every one to two weeks. Because they are completely removable, eating, drinking, brushing and flossing remain entirely unaffected; there is nothing to adjust, nothing to tighten and no foods to avoid.

From the first consultation to the final result, your treatment is guided by Invisalign’s® proprietary ClinCheck® technology, which uses a precise 3D digital simulation allowing us to plan every stage of your tooth movement in advance. Before your aligners are even made, you can see exactly where your smile is headed.

Why you should choose us for your Invisalign® treatment

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Fully digital and guided. No need for moulds.

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3D scans and digital tracking to view your progress every step of the journey.

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Award-winning care.

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In-person consultation with a skilled professional.

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Combine with cosmetic dentistry and teeth Whitening for best results.

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Thousands of happy patients.

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Bespoke treatment tailored to you.

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Sustainable, thoughtful practice, with retainer recycling.

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See results in 3 months.

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Why wait? Interest free finance available.

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Virtual 3D scan

Your initial consultation with Dr Kishan Lakhani includes a full iTero® 3D digital scan. The £25 deposit is fully refundable against the cost of your treatment should you decide to proceed.

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Comparison with Invisalign® vs other treatments

Other clear aligners

Traditional braces

Top 150 Provider Globally

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Virtually invisible

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Easily removable for eating, drinking & flossing*

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Top 150 Provider Globally

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Virtually invisible

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Easily removable for eating, drinking & flossing*

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In-person consultations with real dentists

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Easy access to dentists online

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Each aligner is trimmed to your gum line for optimal comfort and appearance**

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Blue compliance indicator dots to help you stay on track

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Made from SmartTrack material

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No emergency visits for broken wires

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Virtually invisible

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Easily removable for eating, drinking & flossing*

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In-person consultations with real dentists

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No emergency visits for broken wires

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In-person consultations with real dentists

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Made from traditional brackets and wires

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Cost of Invisalign® clear braces

Invisalign® Lite Includes: Invisalign® Lite aligners | Professional whitening | Essix retainer

from £ 2,900
    Invisalign® Lite is ideal for patients with mild to moderate crowding or spacing concerns or those who have experienced minor relapse following previous orthodontic treatment. With up to 14 sets of aligners, it delivers beautiful results in a shorter timeframe.
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Invisalign® Moderate Includes: Invisalign® Moderate aligners | Essix retainer

from £ 3,400
    Invisalign® Moderate addresses a broader range of alignment concerns and offers greater flexibility than the Lite package, with up to 26 sets of aligners. Ideal for patients with moderate crowding, spacing or bite issues.
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Invisalign® Comprehensive Includes: Invisalign® Full aligners | Essix retainer

from £ 3,900
    Our most versatile treatment option, Invisalign® Comprehensive uses an unlimited number of aligner sets to address even complex cases, from significant crowding and spacing to more involved bite corrections. For patients seeking the most complete transformation, this is the gold standard.
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We believe in complete transparency when it comes to fees. All Invisalign® treatment packages at Berkhamsted Dental are fully inclusive, there are no hidden extras, no surprise charges and no add-ons. Everything you need, from your first scan to your final retainers, is included in your package price.

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Frequently asked questions

1. Getting started

1. Am I suitable for Invisalign®?

Invisalign® is suitable for a wide range of patients, from those with mild aesthetic concerns to those with more complex alignment or bite issues. The best way to find out if it is right for you is to book a consultation with Dr Kishan Lakhani, who will assess your teeth, discuss your goals and recommend the most appropriate treatment plan.

2. Can Invisalign® work for kids and teenagers?

Yes. Invisalign® offers a dedicated treatment option for younger patients, including Invisalign® Teen. As long as the adult teeth have come through sufficiently, Invisalign can be an excellent choice. We will assess suitability at your initial consultation with Dr Kish.

3. What happens during an Invisalign® consultation?

Your consultation with Dr Kish is a relaxed, unhurried conversation about your smile goals and whether Invisalign® is the right treatment for you. During the appointment, Dr Kish will carry out a clinical examination and take a full 3D digital scan of your teeth using our iTero scanner, with no moulds or impressions required. From this scan, we can show you a ClinCheck® simulation, a digital preview of how your teeth are expected to move and what your smile could look like at the end of treatment. There is no obligation to proceed. The consultation is available for a £25 refundable deposit.

2. Treatment & day-to-day

1. How long does Invisalign® treatment take?

Treatment length varies depending on the complexity of your case and the package you choose. Invisalign® Lite typically takes between three and six months; Invisalign Moderate between six and twelve months; and Invisalign® Comprehensive between twelve and eighteen months on average, though more complex cases may take longer. Dr Kish will give you a realistic timeframe during your consultation.

2. What are attachments in Invisalign® treatment?

Attachments are small tooth-coloured dots of composite resin that are bonded to specific teeth during treatment. They act as anchor points, giving the aligners something to push against in order to achieve more precise or complex tooth movements. Not every patient needs attachments. If they are required for your treatment plan, Dr. Kish will discuss this with you at the planning stage. They are discreet, blend in with the natural colour of your teeth and are removed painlessly at the end of treatment.

3. Will Invisalign® affect my speech?

Most patients adapt very quickly, often within a day or two. You may notice a very slight change in the way certain sounds feel initially, but this typically resolves itself as you become accustomed to wearing the aligners.

4. How often do I need to wear my aligners?

For optimal results, aligners should be worn for 20 to 22 hours per day. They should only be removed for eating, drinking (anything other than plain water), brushing and flossing.

5. Can I eat and drink normally?

Yes, one of the most significant advantages of Invisalign® over fixed braces is that your aligners are fully removable. Simply take them out to eat and drink, clean your teeth and reinsert them afterwards. There are no food restrictions whatsoever.

6. Will anyone notice I am wearing aligners?

Invisalign® aligners are made from a virtually invisible SmartTrack material that sits closely against the teeth. The vast majority of patients find that friends, family and colleagues either do not notice at all or only notice when told.

7. Is Invisalign® painful?

Invisalign® is generally much more comfortable than fixed braces. When you move to a new set of aligners, you may experience mild pressure or sensitivity for the first day or two as your teeth begin to shift; this is entirely normal and is a sign that the treatment is working. Most patients describe it as minor and entirely manageable.

8. How do I take care of my aligners?

Rinse your aligners in lukewarm water every time you remove them and clean them gently with a soft toothbrush. Avoid hot water, as this can warp the plastic. Always brush and floss before reinserting them and store them in their case whenever they are out of your mouth.

3. Aftercare & retainers

1. What happens after my treatment is complete?

At the end of your treatment, we will provide you with Essix retainers, discreet, removable retainers worn at night, to maintain your results long-term. Retention is an important and long-lasting part of any orthodontic outcome, and it is included in all Berkhamsted Dental Invisalign® packages.

2. What if I have had braces or other types of dental work?

Previous orthodontic treatment or existing restorations such as crowns, veneers or bridges do not necessarily rule out Invisalign®. Dr Kish will carry out a thorough clinical assessment to determine the best approach for your smile. In many cases, Invisalign® can be used successfully alongside existing dental work.

3. What if I have a big occasion coming up?

Now is the perfect time to start. Whether you have a wedding, a milestone birthday or a graduation on the horizon, Invisalign® works with your timeline. Begin your treatment today and arrive at your occasion with the smile you have always wanted.

4. What type of retainer should I use?

After completing Invisalign® treatment, wearing a retainer is essential to keep your teeth in their new position. The two main options are Essix retainers (clear, removable trays similar to your aligners) and Vivera retainers (Invisalign®’s own premium retainer, made from a more durable proprietary material).

At Berkhamsted Dental Practice, every completed Invisalign® treatment includes a free set of Essix retainers as standard. Dr Kish will advise on the best long-term retention approach at your end-of-treatment appointment.

5. What is the difference between Essix and Vivera retainers?

Both are clear, removable retainers that fit over your teeth. Essix retainers are the standard option, made from a clear thermoplastic material.

Vivera retainers are manufactured by Invisalign® using the same proprietary SmartTrack® material as your aligners, making them approximately 30% more durable.

Vivera retainers are supplied in sets of four pairs, giving you built-in replacements. Both are effective at maintaining your results, and Dr Kish will help you choose the right option for your lifestyle.

6. How much do Essix and Vivera retainers cost?

A free set of Essix retainers is included with every Invisalign® treatment package at Berkhamsted Dental Practice. Vivera retainers are available as a premium upgrade. For specific prices for you, ask the team at your next visit.

7. How long do I wear retainers once treatment is completed?

In the months immediately following treatment, most patients wear their retainer full-time (20 to 22 hours a day), removing it only to eat and clean their teeth. After this initial period, Dr Kish will typically recommend night-time wear only.

In most cases, some level of retainer wear is advised indefinitely, as teeth can gradually drift if a retainer is not used consistently over the long term.

8. What happens if my aligners are damaged or lost?

If an aligner is lost or damaged, contact us as soon as possible. Depending on where you are in your treatment, we will advise whether to move on to the next aligner in the sequence or whether a replacement needs to be ordered.

Replacements can be arranged but may incur an additional charge. To avoid this, always store your aligners in their protective case when they are out of your mouth.

9. Can food residue stain my aligners if I put them back in without cleaning my teeth first?

Yes. It is important to brush and floss before reinserting your aligners. If food particles or sugary residue remain in contact with your teeth while aligners are in place, it can cause staining to both the aligners and your teeth and significantly increase the risk of tooth decay.

Developing a clean-before-you-reinsert habit early in treatment makes a real difference to both your results and your oral health.

10. Can I chew gum whilst wearing my aligners?

No. Chewing gum will stick to your aligners and may distort their shape, affecting how well they fit and how effectively they move your teeth. Always remove your aligners before chewing gum.

11. Will smoking stain my aligners?

Yes. Smoking whilst wearing aligners will cause them to yellow and discolour noticeably and the staining can be difficult to remove. We recommend removing your aligners before smoking and cleaning your teeth before reinserting them. Bear in mind that discoloured aligners are clearly visible when you smile, which rather defeats the purpose of a discreet treatment.

4. About Invisalign®

1. How long has Invisalign® been around?

Invisalign® was founded in 1997 by two Stanford University graduates, Zia Chishti and Kelsey Wirth, and the treatment became commercially available in 1999. Since then, it has been used to treat over 17 million patients worldwide. The technology has advanced significantly, with innovations including SmartTrack® aligner material, ClinCheck® 3D treatment planning software and the iTero® digital scanner, making treatment more precise, comfortable and predictable than ever.

2. How does Invisalign® benefit me in the long term?

Beyond the cosmetic result of a straighter smile, correcting the alignment of your teeth carries significant long-term health benefits. Straighter teeth are considerably easier to clean, reducing the build-up of plaque in hard-to-reach areas and lowering your risk of tooth decay and gum disease.

Both conditions, if left untreated, can progress to tooth loss over time, with the associated cost and complexity of implants, bridges or dentures.

Properly aligned teeth also distribute bite forces more evenly, reducing strain on individual teeth, protecting enamel from uneven wear and lowering the likelihood of chipping, cracking or jaw-related discomfort.

In short, investing in your alignment today can meaningfully reduce the cost and complexity of your dental care in the years ahead, helping you hold on to your natural teeth for longer and enjoy better oral health throughout your life.

5. Cost & finance

1. How much does Invisalign® cost?

Our packages start from £2,900 for Invisalign® Lite, from £3,400 for Invisalign® Moderate and from £3,900 for Invisalign® Comprehensive.

All packages are fully inclusive, with no hidden extras. Your initial consultation, including a full 3D scan, is available with a £25 refundable deposit.

2. Is Invisalign® available on finance?

Yes. We offer 0% interest-free finance across all Invisalign® treatment packages, allowing you to spread the cost over a period of comfortable monthly payments with no additional charge. Please ask us for details at your consultation.

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Testimonials

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Judy W.

Professional and friendly staff. Delighted with my results, and thank you, Nikhil, for your attention to detail and for going the extra mile!

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Jean H.

As always, I feel very relaxed at my appointment and am very pleased with how I am looked after by all the staff.

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Adrian G.

I would like to thank Nikhil and his dental nurses for taking me through the process of having dental implants, which was well explained throughout. I am very happy with the result.

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Sandie C.

I have been with the Berkhamsted Dental Practice for many years; I love the sunny, friendly greeting when I arrive, my details already logged online, so no waiting. I have been with the Berkhamsted Dental Practice for many years; I love the sunny, friendly greeting when I arrive, my details already logged online, so no waiting.

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Sue B.

Had my first appointment today, I am a very nervous person, but I had nothing to worry about, everyone was so kind, the dentist told me everything that was happening, and was so thoughtful. Would highly recommend. Amazing.

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Ana B.

All staff were very kind and welcoming, from the receptionist to the doctors. Everyone was friendly and professional. During my appointment, everything was clearly explained, and the doctor consistently checked that I was comfortable and asked whether I needed her to stop.

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Ulia M.

I recently had root canal retreatment with Dr Philip Mitchell, and I am extremely happy with his work. I had a very complex case; however, Dr Mitchell handled everything with great professionalism and saved my tooth. Thank you so much for your help!

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Natalie D.

Always a friendly, helpful and professional service here. I’ve been going for years and would highly recommend it.

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Eleisha M.

I had a great experience at Berkhamsted Dental Practice. The staff were lovely and welcoming, and really put me at ease as I’m not usually a big fan of the dentist. A lovely lady called Hollie, who was assisting the dentist, went out of her way to put me at ease, which was much appreciated. Will definitely continue to go here whenever I need to!

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Gordon H.

Really good experience at this practice. Needed root canal surgery. My wife is a dentist and insisted that I saw Dr Mitchell despite living in Brighton. Well worth the journey to Berkhamsted. Absolutely painless root canal. Vastly cheaper than London or Brighton and done by a recognised expert in the field with decades of experience of this surgery. Really happy with the experience. Cannot recommend Dr Mitchell too highly.

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Mandy G.

I booked a consultation with Berkhamsted Dental Practice for my 90-year-old mother, who had broken a piece of tooth that was causing her to bite her lip every time she ate. 2 other dentists said nothing could be done! We came for a consultation with Dr Ventsi, assisted by Becky, who were both very professional and kind. Dr Ventsi repaired the tooth there, and then, so she didn’t have to come back another day, he has made a marvellous job, she is so pleased with the result. We would highly recommend this practice.

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Victoria E.

I’ve been a patient with Berkhamsted Dental for well over 12years & what an incredible dental practice they are. Always so welcoming, the staff are so friendly, the nurses keep me calm as I’m a very nervous patient (Louise especially, as she is always so bubbly & chatty). All the staff are such a credit to the business. I honestly wouldn’t go anywhere else. Thank you all.

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Lindsey B.

Top-notch dentist practice. Patient, passionate about good care, knowledgeable, and kind to all. Was my first appointment, and will definitely keep going and bring my family as well.

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Jackie H.

We have been with the Berkhamsted Dental Practice ever since it started, and would highly recommend it. They are friendly and helpful, and their dental work is excellent. The only snag is that the practice is on the first floor, so you need to be able to climb a short flight of stairs to reach it.

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Lizzy D.

My family and I have been going to Berkhamsted Dental Practice for many years now. They are professional, caring and friendly and always make my young children feel at ease during the appointments. I’d recommend them to anyone looking for a good dentist.

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Barbara J.

Large filling was carried out competently, no pain during and a mild, short-lived ache afterwards. Ventsi was kind and very clear with his explanations.

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Christopher L.

Excellent dental practice. Staff and service are of a high quality. My dentist, Ventsi and dental nurse Becky did a fabulous job, and I highly recommend them.

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Bobby C.

Excellent treatment at this practice. Both John, the dentist and Jane, the hygienist, are kind, gentle, and personable. I always feel comfortable, beautifully looked after and well informed. I am delighted with the care I receive for my teeth.

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Liz D.

Lovely dentists and their colleagues who all go out of their way to provide the best service I’ve ever received. Highly recommended.
As I sat in the waiting room for my last hygienist appointment, a couple told me they had travelled from Wiltshire just to attend their appointment! Now, if that doesn’t tell you they’re good, nothing else will!

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Richard R.

I have been with Berkhamsted Dental Practice for 25 years and have always found the dentists, hygienists, and all supporting staff just magnificent. My comfort is always put first, and the end result is great advice and great dental care. Nick is a fab addition to the team.

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Akshay P.

Berkhamsted dental prat is was very, very good! It was my first time going there, and the receptionist was so helpful! Nikhil, the dentist, was super friendly and helpful, and he always ensured I was feeling okay throughout the appointment. Overall, everyone was very accommodating, and I was really happy with the outcome of the appointment.

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Kay H.

My family have used Berkhamsted dental practice for many years since my children were young. They now have their own children and still go to these kind and very professional dentists. New dentist Nick is just as caring and thorough as Claire and her husband.

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Jo McG.

I came to the practice recently as a new and nervous patient with a list of dental issues. Nikhil was so kind and reassuring and came up with a plan of treatment that made me feel comfortable and confident, and I am delighted with the results. All the staff are helpful and friendly, especially the lovely Sam at Reception.

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Judy C.

I fractured a tooth over the bank holiday weekend and posted an email to the practice for an emergency appointment. I secured an appointment with a dentist I do not usually see, but was delighted by the personable approach and professionalism. I had a temporary fix done and made an appointment for a permanent filling. You can’t get better service than that. Thank you.

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Hannah

Claire and the team are fantastic; they always make me feel welcome and chat to me throughout appointments, which really helps with any anxiety I might have. I’m amazed how they remember who I am and what we chatted about on my last visit a year before, despite having seen hundreds of other patients in between! I am always given tips on how best to look after my teeth without any judgment to keep my smile looking natural and healthy. I would definitely recommend Berkhamsted Dental Practice to anyone.

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Judy W.

Professional and friendly staff. Delighted with my results, and thank you, Nikhil, for your attention to detail and for going the extra mile!

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Jean H.

As always, I feel very relaxed at my appointment and am very pleased with how I am looked after by all the staff.

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Adrian G.

I would like to thank Nikhil and his dental nurses for taking me through the process of having dental implants, which was well explained throughout. I am very happy with the result.

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Sandie C.

I have been with the Berkhamsted Dental Practice for many years; I love the sunny, friendly greeting when I arrive, my details already logged online, so no waiting. I have been with the Berkhamsted Dental Practice for many years; I love the sunny, friendly greeting when I arrive, my details already logged online, so no waiting.

star pine grove plain icon
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Sue B.

Had my first appointment today, I am a very nervous person, but I had nothing to worry about, everyone was so kind, the dentist told me everything that was happening, and was so thoughtful. Would highly recommend. Amazing.

star pine grove plain icon
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Ana B.

All staff were very kind and welcoming, from the receptionist to the doctors. Everyone was friendly and professional. During my appointment, everything was clearly explained, and the doctor consistently checked that I was comfortable and asked whether I needed her to stop.

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We’d love to hear from you

Whether you’re booking your first appointment, have a question about our treatments, or simply want advice on your dental care — our friendly team is here to help.

Opening Times

Monday
08:00 AM - 06:00 PM
Tuesday
08:00 AM - 06:00 PM
Wednesday
08:00 AM - 06:00 PM
Thursday
08:00 AM - 06:00 PM
Friday
08:00 AM - 01:00 PM
Saturday
09:00 AM - 01:00 PM

Opening Times

Monday
08:00 AM - 06:00 PM
Tuesday
08:00 AM - 06:00 PM
Wednesday
08:00 AM - 06:00 PM
Thursday
08:00 AM - 06:00 PM
Friday
08:00 AM - 01:00 PM
Saturday
09:00 AM - 01:00 PM
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  • Site last updated: 16 September 2026
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