Welcome! David A. Williams, DDS, FACD Dr. David A. Williams and staff welcome you to our website. Our philosophy is to provide treatment to the whole person - with a special focus on how your teeth and gums relate to your total body health. We want you to be confident that your smile achieves your goals for comfort, function and appearance. We're here to make that happen. We also understand that choosing a Northbrook dentist is an important decision. After all, your smile is your greatest asset and says a lot about your overall health. From the moment you walk in the door, you'll be welcomed by a caring staff in a relaxed, stress-free environment where the whole family can feel at ease.