Sternberg Lip and Cheek Retractor, Double-Ended is a medical instrument used in the practice of dentistry and oral surgery. The cheek retractor is designed to pull the cheeks away from the mouth and hold them in place to leave the mouth exposed during a procedure. These tools are available from many dental supply companies, in a variety of designs and styles to meet various needs. Dentists can also order them directly from manufacturers, which offers an opportunity for custom designs to be ordered. Its available in various length 12 cm, 14 cm, 15 cm.