Hellow guys, Welcome to my website, and you are watching 흔한 '턱관절장애' 원인과 예방법은? [정진우, 서울대치과병원 구강내과 교수] / YTN. and this vIdeo is uploaded by YTN at 2013-12-20T16:45:48-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
