Meet Dr.ChangOk Oh

Innovating new fields in orthodontics and a teaching& training center for dentists, Smile Zone is a specialized orthodontic clinic that recognized by other dentists not only domestically but internationally. With numerous researches and case studies, Dr. ChangOk Oh and his dental staffs promise to provide the best quality orthodontic experience.

  • SmileZone Orthodontic clinic
  • Chang Ok Oh, D.D.S., M.S.D., Ph.D.

    Yonsei University College of Dentistry, DDS
    Yonsei University Dental Hospital, Interns & residents
    Yonsei University College of Dentistry, Master & Ph.D in Orthodontics
    Yonsei University College of Dentistry, Orthodontics department, Research instructor
    Yonsei University, Incheon Severance Hospital, Director of orthodontics department
    Yonsei University College of Dentistry, Adjunct orthodontics professor
    Younsei University College of Medicine, Adjunct professor
    Hallym University, college of dentistry, Assistant adjunct professor
    Catholic University, college of dentistry, Assistant adjunct professor
    Yeonwoo dental clinic, Director
    University of Southern California (USC), school of dentistry, Visiting professor
    Smile Again dental clinic, Director
    Smilezone dental clinic, director
    Smilezone orthodontic center
    Department of Health and Human Services, Appointed specialized orthodontists
    Korean Association of Orthodontics, Associate member and appointed orthodontist
    Korean Association of Orthodontics, Information and communication committee, Associate member
    Korean Association of Lingual Orthodontists (KALO), Associate member
    Korean Association of Lingual Orthodontists (KALO), President & advisor
    World Orthodontists Association (WFO), International member
    American Association of Orthodontists (AAO), International member
    Korean Society of Lingual Orthodontists, Associate member & the 4Th president
    1st Asian Lingual Orthodontic Meeting (ALOM), Organization committee chair
    American Lingual Orthodontic Association (ALOA), International member