Margaret Zadnik-O’Connell



Margaret Zadnik-O’Connell, DDS, PC

439 Main St.

Islip, NY 11751

412 Jericho Turnpike

New Hyde Park, NY 11040


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The doctors at our offices agree that braces aren’t just for kids anymore. If your gums and bone structure are healthy, your tooth alignment can be changed at any age.


There are more adult patients opting for orthodontic treatment than ever before. They all agree that it’s never too late to enhance their smile.


Improving the health of your teeth and gums is vital. We provide a variety of treatments for different age groups, including adults."


If you opt for orthodontic treatment at later stages in life, it can enhance your appearance and self-esteem.

Get a new, beautiful smile today

Comprehensive, effective adult treatment

Crooked teeth and a bad bite can result in gum and bone loss, tooth decay, and abnormal wear of the tooth enamel and surfaces. You will also experience headaches and jaw joint (TMJ/TMD) pain.


The new techniques and appliances we use in our practices will not only reduce discomfort levels but also reduce the frequency of visits and treatment time. You can choose from several options such as metal braces, translucent braces, or transparent aligners to improve misaligned teeth.


Visit us today and let us determine the best treatment for you. We will outline the treatment plan, time of treatment, and the approximate cost.

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Call us today for your complimentary evaluation.







New Hyde Park