protective mouthpiece การใช้

• He played with a new protective mouthpiece.
• Along with provocative outfits, the women, most of them in their 20s and 30s, wear helmets, kneepads and protective mouthpieces.
• For example, with clear braces, impressions of a patient's teeth are evaluated to create a series of trays, which fit to the patient's mouth almost like a protective mouthpiece.