<https://www.emergency-live.com/health-and-safety/grinding-your-teeth-while-you-sleep-symptoms-and-remedies-for-bruxism/#newsarticle>
<http://schema.org/timeRequired>
<https://emergency-live.com/ko/%EA%B1%B4%EA%B0%95%EA%B3%BC-%EC%95%88%EC%A0%84/%EC%9E%90%EB%8A%94-%EB%8F%99%EC%95%88-%EC%9D%B4%EB%A5%BC-%EA%B0%88%EA%B8%B0-%EC%9D%B4%EA%B0%88%EC%9D%B4-%EC%A6%9D%EC%83%81-%EB%B0%8F-%EC%B9%98%EB%A3%8C%EB%B2%95/>