Welcome to the office of Dr. David G. O’Neal and Associates!

Thank you for visiting the website of Dr. David G. O’Neal and Associates, a distinguished dental care provider conveniently located in Oxon Hill, Maryland.

Our professional team of general dentists and an orthodontist provide quality dental treatment solutions for patients of all ages. Our doctors and staff work as a team to provide personalized, thorough treatment to achieve comprehensive dental wellness.

Dentistry for Families

Drs. David O'Neal and  Nabil Bishara use an effective combination of cutting-edge technology and time-proven methods to keep your smile healthy and beautiful. From preventative services, such as routine cleanings and fillings to gum therapy and root canals, we are able to meet your individual needs.

Orthodontic Braces for Children, Teens & Adults

Straight teeth can have a profound effect on your appearance and self-esteem. Dr. Anishka Brown is pleased to offer advanced braces, including Invisalign®clear aligners, to perfect your smile.

Thank you for choosing Dr. David G. O’Neal and Associates! We look forward to meeting you and seeing you smile!


Invisalign straightens teeth without wires and brackets, using a series of clear, customized, removable appliances called aligners. It’s virtually undetectable, which means hardly anyone will know that you’re straightening your teeth. Learn More...

Zoom! Whitening

If you're looking for a fast way to dramatically whiten your teeth, Zoom! In-Office Whitening System may be the answer for you. In a little over an hour, this safe, effective system can give you the instant results you've been wanting. Learn More...

Patient forms

We want your experience with us to be easy and convenient. Save yourself time during your first visit with our Patient Forms page. You can fill out any needed forms and submit them to our office right from the convenience of your home! Learn More...