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Dr. Nicholas O'Kane

Balbriggan's specialist dentist — combining advanced training with a genuinely patient-centred approach.

BDS (Hons)Advanced Master DamonChao Pinhole® CertifiedVHI Registered

About Dr. O'Kane

Dr. Nicholas O'Kane is the principal dentist at Castlemill Dental Clinic, Balbriggan's leading specialist dental practice. With decades of experience and a commitment to ongoing professional development, Dr. O'Kane is widely regarded as one of Ireland's most skilled and innovative dentists.

Dr. O'Kane holds a Bachelor of Dental Surgery with Honours and has pursued extensive postgraduate training in orthodontics, implantology, and periodontal surgery. He is the first dentist in Ireland to complete the Advanced Master Damon course, placing him in an elite group of practitioners worldwide who have achieved the highest level of proficiency with the revolutionary Damon System.

In the area of gum health, Dr. O'Kane has trained directly under Dr. John Chao in Los Angeles, the creator of the Chao Pinhole Surgical Technique® — a groundbreaking minimally invasive approach to gum recession treatment. This training allows Dr. O'Kane to offer patients a far more comfortable alternative to traditional gum grafting procedures.

Dr. O'Kane is passionate about ethical, patient-centred dentistry. He only recommends treatment that is genuinely in the patient's best interest, and takes the time to explain all options clearly so that patients can make informed decisions about their care.

Specialist Training & Achievements

  • First dentist in Ireland to complete the Advanced Master Damon course
  • Trained in Chao Pinhole Surgical Technique® in Los Angeles under Dr. John Chao
  • Specialist in Ankylos implant placement — one of the most advanced implant systems available
  • VHI registered provider
  • Regular attendee at international dental conferences and continuing education programmes
"I believe dentistry should be built on trust. We only recommend what's genuinely right for you — and we take the time to make sure you understand every step of your treatment."
— Dr. Nicholas O'Kane