Welcome to Kleinrock Orthodontics!

Here at Kleinrock Orthodontics, we strive to provide the best orthodontic care in and around the Hewlett and Long Beach, New York areas. We know what a significant different in self-esteem and health a beautiful smile can make, which is why we are dedicated to giving each of our patients a beautiful, straight smile they deserve!

Lead by Hewlett and Valley Stream orthodontists Dr. Seth Kleinrock and Dr. Irene Zeppieri, our team is passionate about giving you the absolute best in care. We work hard to craft a warm and welcoming environment and to make certain you feel like your input is an integral part of your care.

Braces for All Ages

Whether your child needs early interceptive treatment, your teenager needs full orthodontic braces or you’re an adult looking to enhance your smile with braces,Hewlett orthodontistsDrs Drs. Seth Kleinrock and Irene Zeppieri are experienced orthodontists who can help. We will work with you personally to create a personalized treatment plan tailored to meet your individual needs and desires.


We proudly offer the latest types of braces, including the revolutionary Invisalign® System. Invisalign clear aligners straighten your teeth without the usual noticeable, bulky materials involved with traditional braces. No one will know you’re improving your smile unless you tell them! We also have Invisalign Teen available for our adolescent patients; ask your Valley Stream orthodontist to learn more.

We hope you find our website helpful in your decision to make Kleinrock Orthodontics your family’s destination for high quality dental care in a fun, friendly and professional environment. We look forward to seeing you smile!

Acceledent Aura

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