Hellow guys, Welcome to my website, and you are watching [KOR/ENG] 치아교정 블랙트라이앵글 왜 생기나?! 예방법 치료법 닥터줄리 Black triangle braces Dr. Julie. and this vIdeo is uploaded by Dr. Julie Kim at 2021-12-10T23:26:30-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.