Dentist recommended brand. Clinically proven relief and daily protection for sensitive teeth. Powered by Novamin With fluoride. Why use Sensodyne Repair & Protect? It is possible to treat the pain of sensitive teeth and to repair these vulnerable areas. With twice daily use, Sensodyne Repair & Protect continuously repairs, strengthens and protects your teeth. It also has a fresh minty taste to leave your mouth feeling clean and fresh.