Dr. Theo Mantzikos (SID 308500)

Free Initial Exam & Consultations: Get a detailed assessment of your orthodontic needs with no pressure or obligation. We’ll discuss the best options, whether it’s Invisalign or braces, based on your goals and lifestyle.

*Private & Virtual assessment & consultations available upon request.

Private or Extended Appointment Options: Including early morning, evening, and flexible weekend appointments.

Custom Treatment Plans: Every smile is unique, and so is your treatment plan. We tailor options to fit your specific goals.

Affordable Payment Plans & Payment Options: We offer easy-to-understand flexible, custom payment plans to ensure that top-quality care fits your budget and lifestyle.

Insurance Assistance & Pre-Insurance Verification: We help you navigate your dental coverage (orthodontic) to maximize benefits and minimize costs making treatment more affordable.

Servicing Patients in Greenwich, CT & Westchester County, NY

Dr. Mantzikos and his team warmly welcomes patients from:

Greenwich, CT — including Greenwich proper, Byram, Riverside, Cos Cob, and Old Greenwich with surrounding communities of Lower Fairfield County (Stamford)

Westchester County, NY — including Purchase, Rye, Rye Brook, Harrison, White Plains, Scarsdale, Mamaroneck, and Larchmont

Dr. Theo Mantzikos is a Diplomate of the American Board of Orthodontics practicing in Greenwich, CT & Westchester, NY with over 30 years of experience in private practice and in academia teaching orthodontics.

Knowledgeable, empathetic, and an effective communicator, Dr. Mantzikos is a respected and "trendy" doctor who combines medical expertise with strong interpersonal skills and a commitment to patient well-being.

To his patients, he’s not just an orthodontist—he’s a source of positivity, kindness, trust.

His passions are the Arts, Culture, Film, and Fashion….Walking the streets of New York City….

Now, you not only get straight teeth but whiter teeth thanks to Invisalign! Invisalign Professional Whitening System powered by Opalescence whitens your smile while your Invisalign is straightening it! The Invisalign Professional Whitening System is made to work with Invisalign aligners or Vivera retainers to bring you a gorgeous, whiter smile you’ll be pleased with.

Dr. Mantizkos is both an Invisalign® and Invisalign® Teen provider and is now a proud provider of the Invisalign® Professional Whitening System. Invisalign is a great option for most persons, but it doesn’t work in all situations. However, the Invisalign Professional Whitening System can work as a stand-alone, so you don’t have to be in Invisalign treatment to enjoy beautiful, whiter teeth!

Discreet treatment

People won’t even know you’re whitening your teeth, thanks to the discreet look of Invisalign and Invisalign Professional Whitening System! Imagine whiter teeth without the strips!

Treatment at home

You use your Invisalign trays or Vivera retainers as your whitening trays, so there’s no need for extra trays. You can get beautiful white teeth at home! Whiter teeth and straighter teeth at the same time!

No extra office visits!

Invisalign Professional Whitening System is a kit you can use right at home, so you don’t need extra office visits to whiten your teeth! Get whiter teeth on your own time!

Treatment without Invisalign

Not wearing Invisalign or Vivera retainers? No problem! Dr. Mantzikos can provide special Invisalign whitening trays just for you! You can get whiter teeth even without Invisalign treatment!

All That's Good Begins With a Smile

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