MARK3 ContraCare Disposable Prophy Angle, Soft 105-Degree, 100/Box. Allows for better access in hard-to-reach areas. Ergonomic prophy angle reduces hand fatigue when compared to traditional 90-degree angles. With a unique gear design and durable, ribbed & webbed cups, they will run smooth, reduce splatter, and won't overheat. Box of 100 angles & cups