With two offices located in Woodstock and Canton Georgia, Williams Orthodontics's top priority is to provide you with outstanding orthodontic care in a family-friendly environment. All of our exceptional staff members are committed to patient care, comfort, and quality results that will make you proud to show off that smile. Invisalign Premier Provider. Diplomate American Board of Orthodontics. Member, American Association of Orthodontists. Board Certified Orthodontist.