Balbriggan Dentist
Dr. Nicholas O'Kane
Experience Combined With Gentle Care
Castlemill Dental Clinic Offers Exceptional Value
Balbriggan Dentist,
Dr. Nicholas O'Kane
Experience Combined With Gentle Care
Castlemill Dental Clinic Offers Exceptional Value
We Create Beautiful Smiles
Specialising in advanced cosmetic and restorative dentistry, combining the latest technology with genuine care for every patient.
Dental Implants
Permanently replace missing teeth with natural-looking, long-lasting Ankylos implants. From €1,650.
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Damon Braces
6th generation self-ligating braces for faster treatment, superior comfort, and a perfect smile.
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Cosmetic Consultation
Discover your smile's potential. Dr. O'Kane will create a personalised treatment plan tailored to your goals and budget.
Learn MoreThe Castlemill Difference
We treat every patient like family, recommending only what we'd choose for our own loved ones.
Ethics-First Approach
Dr. O'Kane only recommends treatments he would confidently perform on his own daughter. Your trust and well-being come first, always.
Advanced Technology
Latest 6th generation Damon Ultima braces and Spark aligners — proven to deliver faster, more comfortable results than traditional systems.
Complete In-House Care
One expert overseeing your entire journey means better outcomes, more affordable treatment, and a seamless experience from start to finish.
Why Choose Castlemill Dental?
We combine advanced dental technology with a warm, friendly approach to make every visit as comfortable as possible.
Advanced Dentistry
State-of-the-art diagnostics and the latest treatment techniques for outstanding results.
High Quality Equipment
We invest in the best dental technology available to ensure precision and patient safety.
Comfortable Office
A calm, welcoming environment designed to put even the most anxious patients at ease.
Friendly Staff
Our team genuinely cares about your wellbeing and goes the extra mile to help you feel comfortable.
Castlemill Dental Clinic Welcomes You
Castlemill Dental is a modern clinic specialising in advanced diagnostics and treatment of dental and oral disorders. We serve patients across Balbriggan, Swords, Drogheda, Skerries, and the wider Fingal area.
Dr. Nicholas O'Kane is the first doctor in Ireland to complete the Advanced Master Damon course, making him uniquely qualified to get outstanding results from the revolutionary Damon System. He also trained in the Chao Gum Rejuvenation programme in Los Angeles — a minimally invasive alternative to traditional gum grafts.
We are a VHI registered clinic offering state-of-the-art treatment in a caring, comfortable environment. We also accept DeCare, Laya, and Irish Life Health insurance.
We Accept Major Health Insurance
Plus flexible payment options to make your treatment affordable
Up to €1,200 coverage 
Registered provider 
Registered provider 
Registered provider Interest-Free Finance Available
Spread the cost of your treatment with our interest-free payment plans. Make your perfect smile affordable with flexible monthly payments designed around your budget.
What Our Patients Say
Join hundreds of happy patients across North County Dublin
Satisfaction
"I have always had a fear of dentists but I knew I had to make a trip. Thankfully those fears were immediately quashed when I met Dr. O'Kane and his staff!"Rian McGrath
"Dr. O'Kane is brilliant. He explained everything clearly and made me feel completely at ease. The results of my Damon braces are incredible."Sarah D.
"Excellent service from start to finish. Dr. O'Kane and his team are highly professional and friendly at the same time. Highly recommended."Michael F.
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Urgent Dental Appointment?
If you are in pain or have a dental emergency, please call us now. We do our best to see emergency patients the same day.