Wrigley's Original Bubble Gum Orbit for Kids New! ADA accepted. American Dental Association. Helps protect teeth. Sugarfree gum. 14 pieces. 40% fewer calories than sugared gum. Calorie content of this size piece has been reduced from 5 to 3 calories. The ADA Council on Scientific Affairs' Acceptance of Orbit is based on its finding that the physical action of chewing Orbit sugar-free gum for 20 minutes after eating, stimulates saliva flow, which helps to prevent cavities by reducing plaque acids and strengthening teeth. Questions Comments Call 1-800-WRIGLEY (1-800-974-4539).