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Specialized Dentistry, Personalized Care.

Jordan J. Seider Dental Long Island is a boutique dental practice led by board-certified cosmetic dentist Jordan Seider, DDS. He has become recognized as one of the best cosmetic dentists in the Suffolk county area.

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Who we are

Our practice offers a wide range of general, cosmetic, restorative, and gum rejuvenation in a warm, friendly atmosphere.

Dr. Seider offers quality, comprehensive dental care to patients of all ages and uses the latest dental technology and techniques with modern equipment to give each patient the beautiful smile of their dreams. Patients can confidently turn to Dr. Seider for all their aesthetic needs.

What we offer

Areas of Dental Practices

General Dentistry

General Dentistry

The goal of general dentistry is to remove all disease from your mouth giving you a perfect smile!
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Cosmetic Dentisry

Cosmetic Dentisry

Cosmetic Dentistry refers to the most suitable dental treatments that based on patient’s current condition.
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I’ve been seeing Dr Seider since he first opened his Commack office. He is the best dentist I’ve ever had. He is caring and kind and very personable. He always explains what he’s doing or needs to be done and discusses all options. The care I receive is phenomenal. I am so grateful to have him looking out for me. His staff is wonderful too. Always friendly and most accommodating. They always follow up after procedures to make sure you are doing well afterward. Love coming to this office!

Liz Ruddy

I would definitely recommend Dr. Seider to anyone looking for a new dentist! I get very nervous about going to a new doctor for the first time but he was very helpful and explained everything that I would need to have done, very clearly. I wasn’t worried after meeting him. I even had a root canal on my first visit! I was comfortable and felt that I was in great hands the whole time. He and his staff are very friendly and making an appointment was very easy. 🙂

Lauren French

Excellent caring dentist that goes above and beyond to give you that perfect smile. He is my families dentist that I highly recommend for your little ones and we'll as yourself. Gentle and extremely patient with my two young children. It is extremely important for a child to feel comfortable with there doctors and believe it or not my children love to see Dr Seider. Thanks for always going out of your way to take care of my families dental needs.

Suzanne Madden

Dr. Seider is the ideal dentist! He is thorough and detail oriented when it comes to your teeth and ensuring you have a beautiful smile! He makes it a point to know each of his patients and meets their needs!

Julie Imwalle

I couldn’t say more about my satisfaction with this office. The staff is professional and friendly. The office is immaculate and warm. The doctor explains the treatment thoroughly and intelligently and delivers it painlessly. The confidence I have in this office is unmatched by any and all experiences I’ve had in the past. Thank you!

Guy Incognito

Very professional. Great staff and immediate attention was given upon an emergency situation. Dr. Seider went above and beyond to get me the relief I desperately needed with a tooth that split right down the middle to the root he was able to get me in with a surgeon and had that tooth pulled out asap. I highly recommend Dr. Seider.

Lynda Mannino

I have been seeing Dr.Seider for some time now and have never had any issues. He’s extremely knowledgeable and professional. The staff is wonderful and genuinely cares for anyone who enters. I have recommended many people and will continue to do so.

Brian Tyska

Everyone in the office was so nice!!! This was the first time my son was seeing Dr. Seider, I was very impressed that the Dr. called me in while examining my son to explain what he was doing and what I should watch out for. He also said that he wanted to meet me since this was our first visit. The entire staff was so personable it made us feel so comfortable!!!

Paige Horowitz

I have been going to Dr. Seider's office in Commack for years and I have nothing but positive experiences everytime I go. He is a true master at his profession and combined with his caring personality I couldn't ask for a better dentist. I have recommended him to all my friends and family. And like me they have all been more than satisfied with his work. I definitely recommend you go and see him.

R J

Dr Seider is a consummate professional. The experience of going through his office is seamless, from check-in(Barbara is amazing!), to meeting with his staff and assistants once your in the chair. Being a physician myself, I know the extra effort it takes to have your office run so well, and to deliver consistent excellent health care. Wish I could give him 6 stars!

Dan Montellese

Dr. Seider is by far one of the best dentist on the Island! Iv been going to him for over ten years now. After moving to Florida and having a terrible experience with both pricing and poor quality of work. I now plan my dentist appointments with my holiday travels to New York. He takes his time with each patient and assures that you are in no pain, which is more then most dentists. He also is very fair with his pricing and his quality of work is outstanding. I highly recommend going to him!

Robert Liotta

Dr Seider is more than a professional he genuinely cares about his patients. He will go above and beyond to make sure you are comfortable and answer any questions or concerns you have. For my family he is the only person we would entrust our dental care to.

Terry Quigley

Dr. Seider and his staff are professional and courteous. The office is clean and not crowded with patients. Dr. Seider is thorough and explains your treatment in a manner which is understandable. His staff is also thorough and schedules appointments where waiting is at a minimum. This is truly a great Dental experience.

Charles Fisher

Testimonials