Lisa DeMarco DDS, MS

Dr. DeMarco’s outstanding qualifications and experience, coupled with her genuine interest in her patients and her enthusiasm for orthodontics, allow her to offer excellence in braces and Invisalign® treatment in Silver Spring, MD.

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Nancy Tilkin DDS, MS

Dr. Tilkin is passionate about orthodontics and dedicated to the orthodontic treatment results of patients in Silver Spring, MD. She cherishes the opportunity to be part of her patients’ lives by working with them to achieve beautiful, healthy smiles.

Welcome to The Orthodontic Practice of Drs. DeMarco & Tilkin


Welcome to the orthodontic practice of Drs. DeMarco and Tilkin! We appreciate the trust you have placed in us and we look forward to giving you that gorgeous smile you have been waiting for. We are dedicated to providing the highest quality of orthodontic care and braces in a caring and comfortable family-based, high-technology environment. Using proven, state-of-the art technology to enhance your experience, we incorporate the most advanced procedures and equipment available, including digital photography and imaging and advanced computer graphics, to ensure that every patient achieves a natural, healthy, and beautiful smile.

Dr. DeMarco, Dr. Tilkin, and our dedicated team offer a unique orthodontic experience that is fun, affordable, interactive, and effective. Combining the right mix of personal care, high technology, and continuing education, we maintain a commitment to our patients in every facet of our practice.

If you have questions or would like to schedule an appointment, please contact our Silver Spring orthodontic office and let us know!

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    Two of my kids have been under the care of Doctors DeMarco and Tilkin, each kid had with very different needs for their treatment plans. I can only say positive things about our experiences. The front desk staff, billing, cleanliness, wait times, treatment area, parking - all excellent. Everything was explained thoroughly and as often as was needed. One kid has to transfer the rest of his treatment plan abroad as he will be moving. These fine professionals were prepared with recommended orthodontists in that country, and my son's complete file. I highly recommend the DeMarco and Tilkin practice!

    P. Towler
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    I love coming here it’s always a pleasure. The doctors are very kind, informative and give you the best treatment for your personal case. The place is a clean spot with plenty of seatings. You are called up in no less than 5 minutes after signing in. The schedule is not the best for me but it’s easy to work around and best of all your in good hands

    Alazar A.
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    Deserve a full five-star rating. I wish all health care professionals trained there. A perfect combination of expertise, punctuality and people skills.

    Stéphane S.
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    I've been coming to this office for over 2 years. The office is ran professionally and seamless. Staff has always been kind, knowledgeable and professional. I would recommend this team to anyone I know.

    Ada B.
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    As a dentist I really appreciate high quality care which is why I chose Dr Demarco and Tilkin as orthodontists for my two daughters.

    Graham D.
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    2 of my kids had their braces done here. Everyone is always kind and professional. All of my experiences were positive. I sincerely recommend this practice.

    Damon F.
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    Got my Invisalign put on today and my assistant was the best! Both Doctor Demarco, and Tilkin made me feel very comfortable at my consultation and all the staff were friendly and helpful. I highly recommend this practice for any of your orthodontic needs!

    Danielle W.
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    Amazing treatment. The staff is amazing and work very hard to get your smile to where you want it to be Thanks for all your help. Please email me should you have any questions

    Hayley R.
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