Lakewood Ranch Dentist | 8936 77th Terrace E #103, Lakewood Ranch, FL 34202 | (941) 373-3904

Anchored in Integrity, Committed to Excellence, Focused on Results

Sedation Dentistry

What Is Nitrous Oxide?

Lakewood Ranch Dentist


At O’Brien Smiles, Dr. Allison O’Brien offers Nitrous Oxide, commonly known as laughing gas, as a safe and effective sedation option for patients in the Lakewood Ranch area. This gentle sedative is delivered through a small, comfortable mask placed over the nose, allowing patients to relax quickly while remaining fully conscious and responsive. Nitrous Oxide helps reduce anxiety, alleviate discomfort, and minimize sensitivity to pain, making dental procedures more manageable and less stressful. It is particularly useful for children, adults with dental anxiety, or patients undergoing longer or more complex treatments, as it allows Dr. O’Brien to provide precise care while patients remain calm and at ease.

One of the key advantages of Nitrous Oxide is its rapid onset and quick recovery. Once the dental procedure is complete, patients breathe pure oxygen to eliminate any remaining gas, leaving them alert and ready to resume normal activities immediately. Because the sedation is mild and non-invasive, it can be safely used alongside other dental treatments, supporting a positive and stress-free experience for patients of all ages. At O’Brien Smiles, the use of Nitrous Oxide enhances comfort, reduces apprehension, and encourages patients to receive necessary dental care without fear. By combining advanced sedation techniques with personalized attention, Dr. O’Brien ensures every visit is safe, efficient, and tailored to the unique needs of each patient.

Dr. Allison O'Brien

Why Choose
O’Brien Smiles?


O’Brien Smiles offers a level of care that goes beyond routine dentistry. Dr. Allison O’Brien brings advanced training in hospital dentistry, special needs care, and complex cases, allowing our practice to serve patients with a wide range of medical and dental needs. We take a conservative, thoughtful approach that focuses on long-term health and comfort. Our concierge-style environment means more time, more attention, and truly personalized care. From sleep apnea solutions to implants and comprehensive treatment planning, your care is always guided by what is best for you. Here, you are treated with respect, compassion, and genuine attention to your well-being.

Benefits of Nitrous Oxide

Sedation Dentistry in Lakewood Ranch


Allison O'Brien DMD
Lakewood Ranch Dentist
Dentist Lakewood Ranch

Patient Testimonials

Hear From
Our Patients

Karen Stansbury
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Ally Small
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Dr. Allison O’Brien and her staff are INCREDIBLE!!!! I have never received such amazing dental care in my life. Dr. O’Brien loves what she does and always puts me at ease. She is so patient and generous with her time. My cousin in Philadelphia is a dentist and I asked him if he could research a dentist in my area that REALLY is a TMJ specialist. He found Dr. O’Brien because he researched dentists that continually do extra training at a special institution in Tampa. Dr. O’Brien is that that Dentist!!! I will always be so grateful to her and her staff❤️❤️❤️❤️
Steve Carroll
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Very effective and efficient cleaning today...
susan nazzaro
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Dr. O'brien is absolutely fantastic and caring
matt sniffen
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My first time with Dr O’Brien. Dr O’Brien took time to explain every step. What she needed to do and why. Will definitely be going back!
Pamela Bartness
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Excellent care by everyone. Very professional and friendly. Highly recommend Dr O’Brien and her team.
Jared Motzenbecker
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Dr. O’brien and her staff are fantastic. Everyone is professional, friendly, and clearly explains everything they are doing and why a treatment is recommended. By far the best experience I’ve ever had at the dentist!
John Maben
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Great doctor, great staff, personal service. They do an amazing job and go above and beyond to make sure everything is right!