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Guided Biofilm Therapy (GBT) - Harcourt Dental Clinic | Dentist in Dublin

14 Harcourt Street, Dublin, D02 KD21

Contact 01 475 1313 Online Booking

What is Guided Biofilm Therapy?

Guided Biofilm Therapy (GBT) is a modern, systematic approach to professional dental cleaning.

It focuses on the removal of biofilm — the soft bacterial layer that forms on teeth and gums — which is the main cause of gum disease, decay, and inflammation.

GBT uses advanced airflow technology combined with gentle instrumentation to clean teeth effectively and comfortably.

Back to Gum Health (Periodontal Care & Hygiene)

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FAQ

FREQUENTLY ASKED QUESTIONS

What does treatment involve?

GBT follows a structured and systematic process:

Assessment of gum health.
Application of a disclosing solution to highlight biofilm.
Gentle removal of biofilm using airflow (air, water, and fine powder).
Removal of any remaining calculus where required.
Final check and guidance on home care.

The process allows both the clinician and patient to clearly see where cleaning is needed.

Why does biofilm matter?

Biofilm is a soft bacterial layer that is not always visible. If not removed regularly, it can lead to:

Gum inflammation (gingivitis).
Periodontal disease.
Bone loss around teeth and implants.
Increased risk of decay.

Managing biofilm is a key part of long-term oral health.

About GBT?

Who is it suitable for?

Guided Biofilm Therapy is suitable for most patients, including:

Routine hygiene and maintenance.
Patients with gum disease.
Patients with dental implants.
Patients with crowns, bridges, or veneers.
Patients with sensitivity or dental anxiety.

It is particularly beneficial for patients requiring regular maintenance.

benefits

Benefits of the treatment

Thorough removal of biofilm (the main cause of gum disease).
Gentle and comfortable compared to traditional cleaning.
Effective around implants and restorations.
Helps reduce staining.
Improves gum health.
Allows targeted, efficient treatment.

GBT and Implant Care

For patients with implants, GBT is particularly useful:

Gentle on implant surfaces.
Effective at cleaning around implant restorations.
Helps reduce the risk of peri-implant disease.

Regular maintenance is essential for long-term implant success.

Planning and responsibility of care

Guided Biofilm Therapy is often part of an ongoing maintenance programme. In patients with more advanced gum conditions, treatment may be coordinated with the periodontist and hygiene team to ensure stability over time.

Patient takeaway

Guided Biofilm Therapy is a gentle, modern approach to dental cleaning that focuses on removing the bacterial biofilm responsible for gum disease and decay. It is an effective and comfortable way to maintain long-term oral health.

Smile Gallery

Our Smile Transformations

See how our treatments create beautiful, confident smiles.

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TREATMENT TESTIMONIALS

Our Smile Transformations

We’re proud to be a trusted part of our patients’ oral health journeys. Explore their testimonials to see how we’re creating positive dental experiences – one smile at a time.

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I required some extensive dental work, which I had been catastrophising in my head for some time now. Having finally plucked up the courage, I consider myself extremely fortunate to have been cared for so professionally & competently by Lorna…

Colin K

I had a great experience with Lorna. She was very competent, gentle and took the time to explain everything clearly. I’d highly recommend Lorna to anyone who feels anxious about visiting the dentist!

Amy T

I’ve been a patient at Harcourt Dental Clinic for about 5 years now, and I couldn’t be happier with the service I’ve received. From the friendly and welcoming staff to the professional and skilled dentists, every visit has been a…

Adrian V

Martina is an excellent hygienist, professional, kind, and thorough. She made me feel completely at ease and did a fantastic job with my cleaning. I highly recommend her!

Ana R

I would highly recommend this dental practice. They are very professional in every sense. Special shout-out for Cianna & Kevin, two highly skilled dentists.

Brian R

I strongly recommend this dental practice. The reception staff are always friendly and polite. Dr Lorna Mahon and her assistant have been excellent in treating a quite difficult dental issue with great care and professionalism.

Matthew V

Contact us today!

If you have a broken tooth or a cracked tooth, contact us for an assessment and a clear plan.

Call Harcourt Dental Clinic Request an appointment

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Opening Hours

Monday - FridayBy appointment only

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CAREERS AT HARCOURT DENTAL

4.8

Harcourt Dental Clinic

4.8

deboshruti banerji

13:48 08 Apr 26

No better dental health facility than this in Dublin. I’ve been coming here for years now and the care, quality and professionalism of Harcourt Dental Clinic is unparalleled - visits with Lorna Mohan, Ruth Morris and Martina have been absolute class. :)

Anne Bacon Byrne

18:17 23 Dec 25

I have been attending harcourt Dental for many years.. it’s always a pleasure to attend as all the staff are so friendly and professional…

Ruth

18:28 07 Nov 25

I’ve been going to harcourt dental for many years and always had a great experience. Dr. Lorna is such a great dentist, very attentive and reassuring and provides advice on how to maintain oral health. I’ve had other procedures with their oral surgeon and endodontist such as extractions and root canals and all have been very good. Very happy with them.

Kevin Smith

16:05 08 Oct 25

I was in with Martin’s O’keeffe (hygienist ) last week and as visits to a dentist go it was very enjoyable . Martina is very good at her job and is very professional and always makes me feel at ease and we even manage to have a bit of banter. I would have absolutely no hesitation in recommending her or anyone else I’ve dealt with over the years . Keep up the good work Harcourt Dental Clinic 👏👏

Patricia Hinch

19:39 31 Aug 25

Lorna from Harcourt Dental Clinic is amazing. Her approach to managing my teeth is brilliant, I am 58, with a mount full of large filings and Lorna's work has made such improvements. She is so professional and communicates really well, setting out a plan. I am so relaxed when I go to the dentist that I fell asleep when I was getting a large back filling!Reception lady is very nice and helpful and dental nurse was so friendly when I was in with Lorna on 29/9.

Angela Krav

20:15 29 Aug 25

I again attended hygienist Rosie this week to have my teeth cleaned and just to say it was a really nice experience. Rosie is excellent in her job and is very careful and kind in every way. Thank you Rosie see you in 6 months.

Elena

21:08 24 Aug 25

I highly recommend Harcourt Dental Clinic. Everyone was very polite and professional. I’m always quite anxious about dental visits, but the Doctor I had my appointment with, made me feel completely at ease. She was really kind, and explained everything clearly.

Brian Rohan

22:22 13 Aug 25

I would highly recommend this dental practice. They are very professional in every sense. Special shout out for Cianna & Kevin, two highly skilled dentists.

Amy Todd

19:13 26 Jul 25

Colin Kelly

12:11 22 Jul 25

I required some extensive dental work which I had been catastrophising in my head for some time now. Having finally plucked up the courage, I consider myself extremely fortunate to have been cared for so professionally & competently by Lorna and the team. Lorna has a wonderful kind manner, communicates very clearly, is a truly exceptional dentist and is a kind, empathic person. I cannot recommend highly enough. Thank you Lorna & team!

Terri G

18:23 17 Jul 25

I had a back tooth removed and a dental implant inserted. The entire process took several months. I received excellent care from Cianna O’Brien and her dental assistant at Harcourt Dental Clinic. They were both professional, warm and caring from the start of the process to the end.

Ana Reis

13:20 05 Jun 25

Martina is an excellent hygienist, professional, kind, and thorough. She made me feel completely at ease and did a fantastic job with my cleaning. I highly recommend her!

Eileen Lally

17:16 18 May 25

Great experience in Harcourt Dental Clinic. The hygienist Martina is great. She does a great job on my teeth every 3 to 4 months I'm very happy with her.

Adrian Vacaru

11:48 03 Apr 25

I've been a patient at Harcourt Dental Clinic for about 5 years now, and I couldn't be happier with the service I've received. From the friendly and welcoming staff to the professional and skilled dentists, every visit has been a positive experience.The clinic's communication is excellent, with clear explanations of treatments and costs. Appointments are always available at convenient times, and I've never had to wait long to be seen.The prices are very reasonable, and I appreciate the transparency around costs.Overall, I highly recommend Harcourt Dental Clinic to anyone looking for a reliable, trustworthy, and friendly dentist. Thank you to the whole team!

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