Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 구강 건강 교육 영상치카치카 조아. That video is uploaded by 학생건강 at 2016-03-08T21:33:24-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [2c8lbNHsb04]