Advanced Dentistry - Mohegan Lake & Tarrytown, NY

Outstanding Service, Proven Results

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Why Choose Us?

We Aim to Provide Exceptional Care for Our Patients! - About Advanced Dentistry

Expect More Here

With our extensive qualifications, advanced technology, and patient-centered approach, we’re redefining what it means to be a dentist in Mohegan Lake and Tarrytown, NY.

Read About Us On Westchester Magazine

Dental Implant Options

Permanent Tooth Replacement

Missing one or more teeth, or about to lose some? We can replace them with durable, beautiful, long-lasting dental implants. We can even restore your complete smile!

Smile Transformations

Give Your Smile a Do-Over

From minor wear and discoloration to major flaws, we can rejuvenate your smile with a variety of proven treatment options—up to and including a full smile makeover.

implant supported dentures patient before and after

Exceptional Dentistry Driven by You

Advanced Dentistry of Mohegan Lake is dedicated to providing an exceptional experience to patients of all ages and stages of dental health. Decades in practice and focused expertise in cosmetic dentistry, neuromuscular dentistry, dental implants, and TMJ treatment are just part of that.

We use many techniques and technologies not found in most dental offices because we believe that you deserve the very latest treatment available—and because one solution doesn’t work for everyone. 

Our multilingual doctors work with you to provide care that meets your goals and satisfies your needs. You won’t find another comparable dentist in Mohegan Lake and Tarrytown, NY.

Advanced Dentistry Welcomes you to the family.

Meet Our Doctors

dr sepiashvili

Dr. George Sepiashvili

A native of the country of Georgia, Dr. Sepiashvili earned degrees in dentistry from the University of St. Petersburg (Russia) and New York University. He followed this with a two-year residency focused on dental implants. 

Never one to rest on his laurels, Dr. Sepiashvili has continued to build his expertise over the years with advanced training from the renowned Las Vegas Institute for Advanced Dental Studies (LVI). He’s a certified Invisalign provider and is trained to place the innovative NEW YOU DENTURES™.

Dr. Wanda Mejia

Like Dr. Sepiashvili, Dr. Mejia completed two dental degrees—one at Dental University in Santo Domingo in her home country of the Dominican Republic and the other at New York University. She also completed a two-year residency focused on dental implants after dental school. 

Since then, she has continued to expand her areas of expertise, taking a residency with Dr. Jay Gerber and undergoing additional training in neuromuscular dentistry at the prestigious Las Vegas Institute for Advanced Dental Studies. Dr. Mejia is also a certified Invisalign provider.

Find Out If You're A
Candidate For Dental Implants!

Multiple Dental Implants Above Gumline Graphic

Answer The Following Questions To Learn More About Our Pricing & Financing Options!

An Update From Our Office About COVID-19

Questions About Our Office And COVID-19

Our Affiliations

With Dr. George Sepiashvili

As Featured on

Veneer & Dental Implant Specialist

Top Veneer

  • 20,000+ Veneers & Lumineers Placed
  • 51-Years Of Combined Experience
  • Featured as the Expert on TV: Fox, Hampton TV, RNN
  • 5-Year Warranty
  • Flexible Financing Available

When It Comes To Dental Implants... Experience Matters

  • 8000+ Dental Implants Placed
  • 51-Years of Combined Experience
  • Platinum Partner award with World's leading implants company like Nobel and Zimmer
  • Residency at NYU Implant & The gIDE Institute in Europe
  • Diploma in Implants from Lona Linda Master Clinician

Signature Services

Dental Implants

Reclaim a full smile from the roots up! Dental implants are durable, permanent replacements for missing or untreatable teeth that are making it hard for you to eat, speak, and smile. They give you the look, feel, and function of real teeth—and a confidence boost like you’ve never had.

TMJ Treatment

Few dental practices have the extensive training, range of technology, and knowledge of modern TMJ treatment techniques that we do. Temporomandibular joint issues can affect many parts of your body. By focusing on this type of treatment, we can help you recapture your quality of life.

Cosmetic Dentistry

Our skilled team can help you love the way your smile looks as well as improve the way it feels and functions. As cosmetic dentists, we’ve mastered the art of smile esthetics, and know exactly which treatments will produce the results you desire.

Our Patients tell the story best

Try Something New

Choose dentistry that’s all about you.