Meet Dr. James Oh, DDS

Dr. James Oh has joined Rancho Cucamonga Orthodontics as our Lead Orthodontist!

Education

  • Dr. Oh is a board-certified orthodontist dedicated to providing personalized, state-of-the-art care. His academic journey includes earning his undergraduate and DDS degrees from the University of Michigan, completing a pediatric residency at UCLA, and obtaining a Master’s in Orthodontics and Dentofacial Orthopedics from Loma Linda University, where he also served as chief resident.
  • At Rancho Cucamonga Orthodontics, Dr. Oh is passionate about creating an outstanding patient experience. His goal is to make every visit comfortable and stress-free while delivering exceptional clinical results. He emphasizes clear communication, convenient scheduling, and a welcoming atmosphere so that patients and families feel supported and confident throughout their treatment. By pairing advanced technology with a compassionate approach, Dr. Oh ensures each patient receives care that is both effective and enjoyable.

Outside the Office

  • In addition to his clinical practice, Dr. Oh serves as faculty at UCLA and is a published author in respected dental journals. Beyond orthodontics, he enjoys staying active through working out, golf, and pickleball, and he values giving back to the community through service.