Meet Our Doctors

  • Shay Markovitch


    An Israelian born dentist, married with three children, Dr. Markovitch started his training in cosmetic dentistry from the very beginning 15 years ago, in Israel. He continued his training in the United States, at Eastman Dental Center in Rochester NY and in countless continuing education courses.

    His belief is that informed patients are better prepared to make the right decision regarding their oral health and well-being. Therefore he takes the time to explain thoroughly to his patients all the stages of the treatment and options available in modern dentistry.

    Dr. Shay Markovitch is an Invisalign and Lumineer provider making creating a beautiful smile for his patients one of his priorities because he believes that a smile is a mirror to the soul. When not performing dentistry, Dr. Markovitch enjoys sports specifically soccer and basketball but usually prefers to spend his time with his wonderful wife and three children.

  • Lori Markovitch


    Dr. Loredana Markovitch began her career in Israel where she worked for six years in a private practice. She and her husband, Dr. Shay Markovitch, and their two daughters, arrived to the United States in 2004.

    Dr. Loredana Markovitch continued her studies by attending the Advanced Education in the General Dentistry program at the University of Rochester, followed by her residency at Strong Memorial Hospital.

    Within this time, she attended numerous esthetic conferences and continued to do so even while being employed in a private office.

    She and her husband became the owners of Westchester Smile Design in the summer of August 2012, allowing them to fulfill their long dream of having their own practice. At Westchester Smile Design they are given the opportunity to utilize their vast knowledge and take care of the patients to their greatest potential.

    When she is not in the office, Dr. L. Markovitch takes care of their two daughters and a son. In her spare time, she enjoys reading and playing tennis.

  • Jon Dematteis


    Dr. Jon Dematteis is our orthodontist with over thirty years of clinical experience. Dr. Dematteis is a premier provider for Invisalign and has completed over 4,000 cases. His expertise and experience have allowed him to treat many cases beyond the scope of both general dentists and orthodontists.

    Dr. Dematteis is a graduate of New York University School of Dentistry, and he received his Certification in Orthodontics in 1976 from Fairleigh Dickinson University.

    Dr. Dematteis’ background and his experience have allowed him many opportunities in the field of orthodontics.

    He is an excellent skier and spends a great deal of time enjoying the sport and traveling.

  • Adam Arnoldt

    Oral Surgeon

    Dr. Adam Arnoldt attended Union College as a biology major. He then matriculated into the State University of New York at Buffalo where he was rewarded his D.D.S.

    Dr. Arnoldt spent a year at Westchester Medical Center in a general practice resident in dentistry. This exposure to the hospital environment and surgery lead to a desire to further his career and scope of practice. After finishing his one-year residency he was accepted into a one-year program as a Chief Resident at Albert Einstein School of Medical and received a certificate in General Dentistry.

    Dr. Arnoldt entered a four-year residency in Oral & Maxillofacial Surgery at Westchester Medical Center. His surgery experience ranges from trauma to full facial reconstruction and cosmetics. Dr. Arnoldt now practices full scope Oral & Maxillofacial surgery.

    Patients that have had traumatic dental visits in the past at other offices are pleasantly surprised with Dr. Adam Arnoldt’s kind manner and gentle approach to oral and maxillofacial surgery. These patients have stated that not only would they return again but would recommend the experience to friends based on how he has been able to place his patients at ease.

    Whether you are having a simple extraction or all four wisdom teeth removed under sedation, you will feel more like you are at a spa then a dental office. Dr. Arnoldt scope of practice ranges from extractions to full scope of implants and TMJ. Dr. Arnoldt welcomes all new patients and consultations.

    Educational Background
    • Oral & Maxillofacial Surgery Westchester Medical Center
    • Implantology Albert Einstein School of Medicine
    • General Dental Residency Westchester Medical Center
    • DDS State of New York at Buffalo School of Dental Medicine
    • BS Union College
    Professional Affiliations
    American Dental Association
  • Melad Semaan



Our Happy Customers

"Excellent staff, excellent service, the Dr's here are great....I would recommend this practice to everyone....especially if you have a phobia like I did, they'll make it melt away...."


"Went there for just the teeth whitening procedure. Very professional office & staff, state-of-the-art equipment, very happy with results. would highly recommend- good experience"


"Dr. Markovitch was great! Super friendly, extremely pain free. And sometimes funny:)"

We're here to help you get the perfect smile!
Have Questions? Call Us Now (914) 476-3838  OR   Schedule Your Visit!
Tap To Call
With a Dental Certified Specialist