mouth guard
noun [ C ] (also mouthguard) /ˈmaʊθ ˌɡɑːd/ /ˈmaʊθ ˌɡɑːrd/ (UK also gumshield)
（参加体育运动时所戴的）护齿（套）
a device that people who take part in some sports put inside their mouths in order to protect their teeth and gums
Mouth guards prevent more than 200,000 injuries annually among high school and college athletes, the American Dental Association estimates. 据美国牙科协会估计，护齿套每年在高中和大学运动员中可防止20多万次受伤。
Use of a mouthguard whilst playing contact sports helps lessen injuries to the mouth and the teeth. 在参加接触性体育运动时戴上护齿有助于减少口腔和牙齿受伤。
- More examples
- The school provides custom mouth guards for their football and basketball teams.
- Helmets are a must for ice hockey, along with mouth guards, knee pads and elbow, shoulder and shin protection.
- Commercial mouthguards can be purchased off the shelf or a custom made mouthguard can be made by dentists.