Hellow guys, Welcome to my website, and you are watching 미세먼지 때문에 치과치료를 받는다고? 미세먼지와 구강건강 (잇몸질환, 충치, 치아부식, 구강건조증). and this vIdeo is uploaded by 닥터자일리톨TV - 다 알려주는 치과이야기 at 2020-02-26T03:00:04-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.