Sunstar GUM® Proxabrush® Go-Betweens® Refills Tight. #1 Recommended by dental professionals. Healthy gums. Healthy Life®. Germ-resistant bristles**. Removes up to 25% More plaque*. Triangular shaped bristles remove up to 25% more plaque. Germ-resistant bristles keep brush clean between uses**. *Compared to conventional nylon filament. Data on file. **Bristles incorporate an antibacterial agent for continuous bristle protection. Bacterial growth that may affect the bristles is inhibited. The agent in the bristles does not protect against disease. gumbrand.com. ©Sunstar Americas, Inc.