A smoother-running prophy angle with a brighter, more visible body for improved visibility in the mouth. Dark colored soft cups offer better visibility and contrast with teeth. Sparkle Prophy Angle, Soft Cup, Purple, Latex-Free, Box of 100 angles with cups. Vibration and noise-free prophy paste application. Ensures smooth operation. With beveled gears. Soft cups come in dark color for improved visibility. Soft Spark Prophy Angles sold in 100 pieces per pack adopt a noise- and vibration-free second-generation design for the application of prophy pastes. Their improved cup design enhances visibility, their beveled gear prevents the running angles from overheating or locking up.