“I believe everyone deserves a beautiful smile that will last a lifetime. Every time one of my patients’ braces come off, I can see their confidence and self-image increase. That’s why I think being an orthodontist is so important.” — Dr. Ostreicher

Dr. David Ostreicher graduated from Clark University and attended Columbia University School of Dental Medicine, where he received his dental degree and certificate of specialty in orthodontics. After dental school, he continued his education and earned a his master’s of science in nutrition and a master’s in public health from Columbia.

Dr. Ostreicher is professor emeritus at Columbia University and the University of New Haven. He is a member of the American Dental AssociationAmerican Association of OrthodontistsAmerican Public Health Association, and the Honorary Dental Society (OKU). After serving many years on the board of directors of the Nassau County Dental Society, he became president of the New York State Dental Association.

Dr. Ostreicher has published dozens of articles on dentistry and health, and served as editor of For Dentists Only, a scientific dental journal. His books, Brush Your Teeth! and other simple ways to stay young and healthy and 7 Reasons to Straighten Your Teeth, are available at Dr. Ostreicher is also a speaker for the National Bone Health Alliance, and a lecturer for Align Technology, Inc., the makers of Invisalign®. He is the orthodontist who teaches other dentists how to use Invisalign!

Dr. David lives in Syosset. He has two daughters, Skye and Brie.


We recognize that all our patients are unique and deserve to receive orthodontic care that reflects their individual needs. Our experienced and talented team is committed to working with you and your family to create a comfortable, stress-free, and rewarding orthodontic experience every time you visit our practice.

We are pleased to welcome you and your family, and we look forward to working with you.


Albert has been a dental hygienist since 1992. A SUNY Farmingdale graduate, Albert is also is a big Yankee fan and ran the 2006 NYC Marathon. He lives in Deer Park with his wife Michelle and their two children, Jordan and Jaelyn. They have two dobermans named Oakley and Tori. Go Yanks!


Daynette worked as a dental assistant from 1989 through 1998. She enjoyed the field so much, she decided to continue her education at SUNY Farmingdale. Daynette graduated from the dental hygiene program in 1998, and has been a part of Dr. David’s team ever since. She enjoys music, fishing, entertaining, and spending time with family and friends. Daynette is also a proud aunt of two nieces and four nephews.


Elizabeth has been a dental assistant with us since 2002. She has enjoyed working in the dental field since the age of 14, and really likes working with children. Elizabeth loves spending time with her son Romeo, and she also has a weakness for shopping.


Karina has been a part of our staff as a dental assistant since 2003. She enjoys working with children and making their experience happy and memorable. She enjoys traveling to many parts of the world.