A mouthguard is a protective device worn over the teeth to prevent injury during contact sports. It helps absorb impact and reduce the risk of dental damage, jaw injuries, and concussions. Mouthguards are typically made of soft, flexible materials like rubber or plastic, allowing for comfort and a secure fit. They cover the upper teeth and can be custom-fitted by a dentist or bought in generic sizes. Mouthguards are important in sports like football, hockey, and boxing, where high-impact collisions are common.

英語での「mouthguard」の定義と意味

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