Designed with input by dental hygienists, these single-use prophy angles feature non-latex* cups with quality construction and performance. *This product is made of a synthetic material and does not intentionally contain natural rubber latex. Non-latex* cups. Prophy angles offer quality construction and performance for better reliability. Single-use disposables for improved infection control. Soft cups are also available to meet your procedural needs. *This product is made of a synthetic material and does not intentionally contain natural rubber latex. This product is made of a synthetic material and does not intentionally contain natural rubber latex.