Our Team


Dr. Ray Barrett

B.Dent.Sc Dip.Clin.Dent
General Dentist
Restorative Dentist

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Our Principal Dentist graduated from Trinity College in 1997 and spent five years in London furthering his dental experience. Since founding our practice in 2002 Ray has completed additional training in advanced dentistry, cosmetic dentistry and complex dental care and is passionate about excellent dental care.


Dr. Colin Maher

General Dentist
Cosmetic Dentist

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Colin graduated from University College Cork in 1998. He has a wealth of experience in private practice and worked previously in a private practice in Richmond, London for 16 years, before he joined Seapoint Clinic. Colin comes highly recommended for his solutions of small to complex dental problems with an eye for detail and precision. He is proficient in the placement of dental implants having trained with the Oxford Society of Implantology in 2007/2008 as well as smile design having undertaken numerous aesthetic courses in London and New York. He also underwent advanced training in Head and Neck Anatomy at the University of Lille, France in 2008.

He has always been keen to expand his skills, knowledge and experience in all aspects of general family dentistry.

In his spare time Colin has a passionate interest in nutrition and wellbeing as well as being a keen sports fan with a particular love of rugby.


Dr. David Hefferon

General Dentist
Holistic Dentist
Holistic Dentistry Information

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Dr. David Hefferon is a leading Holistic Dentist and has a special interest in the connection between Oral Health and Systemic Disease. David is committed to continual education and has undertaken additional training in Ireland, UK, Germany, USA, Sweden and Australia.


Dr. Wilson Grigolli

Specialist in Implantology

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Dr. Grigolli has an extraordinary level of qualifications, combined with over 25 years of advanced clinical experience in Implant work and complex dental rehabilitations. Dr. Wilson is one of the few specialists in the world who worked with Professor Branemark – inventor of the science of the very first dental implants. Dr Grigolli has placed over 27,000 dental implants over his professional career with a 98.8% success rate. He is one of very few dentists in the world skilled at placing zygomatic implants – this means we can successfully provide dental implants to virtually every patient, even if they have previously been told they were not suitable. This level of experience is unparalleled in Ireland. Dr. Grigolli is also a very calm and gentle clinician, and likes to take time to get to know his patients, and their desires for their treatment.

He originally qualified in dentistry in University of Sao Paulo, Brazil in 1989, followed by obtaining Specialist status in periodontology in 1996,  and Specialist status in Oral Implantology in. Following relocation to Lisbon Dr. Grigolli completed a doctorate of Medical Dentistry also gained recognition from the University of Lisbon as a Specialist in Implantology.  Dr. Grigolli has been recognised as Professor of the University of Sao Paulo, and Professor of Post-graduate studies of the University of Lisbon and he lectures on dental implants internationally.


Bachelor of Dental Surgery – BDS Doctor of Medical Dentistry – DMD

Periodontist – Specialist degree/Masters degree – Periodontology – Ms.

Implantologist – Specialist degree/Doctoral degree – Oral Implantology – PhD.


Dr. M. Joseph Griffin

General Dentist
Special Interest in Endodontics

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Originally from Kerry, Dr Joseph Griffin qualified with a degree in Chemistry from UCC in 2006, then went on to a further degree in dentistry, graduating with honours. After graduating, Joseph gained extensive experience in dentistry during four years in practice in Cumbria and Scotland, before returning to Ireland in 2017. Dr Griffin has completed additional qualifications in Dental Implants, Cosmetic Dentistry and Orthodontics, and is also undertaking an MSc in Endodontics. Dr Griffin enjoys all aspects of dentistry and is particularly skilled at placing and restoring dental implants, cosmetic dentistry and root canal treatments along with all types of fillings, crowns and dental care.


Dr. Denise Mascimento


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Dr Denise Nascimento is an Endodontist originally from Brazil where she ran her own dental surgery before moving to Europe where she furthered her studies and training in the dental field.

Denise completed a Master’s in Science of Dentistry from UFP Portugal in 2019. Prior to her master’s, Denise completed a Specialization in Endodontics from Positivo University – Brazil in 2016. In 2011 Denise gained a Bachelor of Dental Science from PUC-PR, Brazil which began her ever-evolving dental journey.

Ms. Caroline Tobin

Dental Hygienist

Ms. Hannah Tooher

Dental Hygienist

Norma Jean

Practice Manager

Dr. Sarah Jane Dunne

B.Dent.Sc Dip.Clin.Dent

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Sarah Jane qualified from the Dublin Dental School in Trinity College, Dublin with an honours degree in 1998. Having practiced in both South and North London for several years, and having completed much additional training in the UK, she returned home to Dublin and founded Dundrum Dental Surgery with Ray in 2002. Helping our patients is Sarah Jane’s passion. Over the last 5 years increasing back problems led Sarah Jane to step away from practicing dentistry. However, this means she now manages the practice on a full time basis and is actively involved with our team, our patients and our practice every day.


Dental Nurse


Dental Nurse


Dental Nurse


Dental Nurse

Get in touch

Dundrum Dental Surgery
12 Main Street
Dublin 14

Tel: 01 2986029
E-mail: info@dundrumdentalsurgery.ie

We are situated on the Main Street of Dundrum Village, directly opposite Lidl, and situated between AIB and Carroll's opticians. Most of our patients find it most convenient to park in the Dundrum Village Centre Carpark directly opposite our practice.

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