Invisalign® - Clear Aligner system for orthodontic tooth correction manufactured by Align Technologies 

OrthoPulse® – A device that uses low levels of light energy to stimulate the bone surrounding the roots of your teeth and facilitate tooth movement which reduces treatment time for braces or clear aligners.


• Studies of Dentistry at the University of Showa (Tokyo-JAPAN). 

• Postgraduate student in Orthodontics at the University of Showa, Department of Orthodontics Professional

Private practice as a specialist in orthodontics in Tokyo (Shinjuku and Hongo) since 2007 with Dr. Dan, Dr. Kumagai, Dr. Watanabe, Dr. Seko and Dr. Sugawara. 

American Academy of Cosmetic Orthodontics Asian Chapter president. 

Speaker in Australia, Austria, Brazil, France, Germany, Hong Kong, Indonesia, Italy, Japan, Korea, Mexico, Poland, Spain, Switzerland, Taiwan, Thailand and the United States.

President of JAPAN Academy of Aligner Orthodontics.

DSD/Aligner Key Opinion Leader 

Biolux Research Key Opinion Leader

International Lectures

Dr. Ojima has held numerous international lectures including:

 2018: AAO (American Association of Orthodontists) Speaker
 2018 EAS(European Aligner Society) Speaker
 2017 JAAO(Japan Academy of Aligner Orthodontics) Speaker and President
 2017 San Paulo DSD with Aligner Seminar
 2017 San Paulo Align Technology Seminar
 2017 Czech Republic (Prague) 2Days Seminar
 2017 TOD(Turkish Orthodontics Society) Keynote Speaker and one day course
 2017 Munster-Germany CMD Congress Speaker
 2017 SEDA(Spanish Aligners Society) Speaker
 2017 EOS(European Orthodontics Society) SATELLITE SYMPOSIUM Speaker
 2017 IOA(Iranian Orthodontics Academy) Speaker
 2017 AMO (Association of Mexican Orthodontics) Speaker
 2016 Asia Pacific Orthodontics Congress Speaker
 2016 Seoul National university orthodontics department Ojima’s one day lecture
 2016 SFOPA (France Association Aligner Orthodontics) Speaker
 2016 Indonesia Esthetics dental conference Speaker
 2016 Taiwan Association of Aligner Orthodontics Keynote Speaker, and one day course. 2016 EAS (European Aligner Society) Speaker
 2016 1st K-IDT Congress in Seoul National University, Speaker
 2016 SIDO (Italian Orthodontics Society) Speaker
 2016 DGAO (Germany Association of Aligner Orthodontics) Speaker
 2015 JAAO (Japan Academy of Aligner Orthodontic) Keynote Speaker and President 2015 TAAO (Taiwan Association of Aligner Orthodontics) Keynote Speaker
 2015 SGAO (Swiss Gesellschaft für Aligner Orthodontie)Speaker
 2014 DGAO (Deutsche Gesellschaft für Aligner Orthodontie) Speaker

2014 JAAO (Japan Academy of Aligner Orthodontics) Keynote Speaker
 2014 SIDO (Italian Society of Orthodontics) Best Oral Presentation Award 

2014 SIDO (Italian Society of Orthodontics) Best Oral Presentation Award