How to Floss Your Teeth? Dental floss is a soft thread used to clean and healthy to prevent cavities and gum disease. Flossing your teeth regularly is good for oral health and your smile. Read all Flossing Technique here.URBN Dental Clinic is a modern dental clinic located at 3510 Main St. Ste E, Houston, TX 77002. To book an appointment with us, you can visit our website or call us at (346) 815-9997.