Periodontist Charles F. Orth, DDS, Dallas, TX, practices a full scope of periodontics ranging from dental implants, cosmetic periodontal surgery, gum grafting and treatment of periodontal (gum) disease. Our office is located at 6380 Lyndon B. Johnson Freeway, Suite 199, Dallas, TX. Call us at (Our Office Phone Number) Dallas Office Phone Number 972-991-9891.Dallas Office Phone Number972-991-9891. Even a subtle change in your smile helps you to project an image of self-confidence and high personal esteem. When you feel good about yourself, it shows in your appearance.