单词	mouthguard
释义	mouthguard /ˈmouTHɡärd / noun A plastic shield held in the mouth by an athlete to protect the teeth and gums.A bout begins when the referee shouts ‘shi-jak’, with the competitors wearing body, head, and shin protectors, mouthguards, and a groin guard.... Family physicians should advocate the use of appropriate mouthguards and face shields in organized sports. The UI dentistry professor adds that children who participate in organized sports can lessen the likelihood of injuring their teeth by wearing a mouthguard.
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