OpenTrain AI is seeking a Dentist AI Training Expert to review and improve AI-generated oral-health responses, create gold-standard prompts, and evaluate clinical reasoning and treatment guidance. Candidates must hold a dental degree (DDS, DMD, or equivalent), possess active dental licensure or eligibility, have at least five years of clinical experience, and have minimum C1 English proficiency. The remote part-time contractor role requires 20+ hours per week and is open to applicants in 17 specified countries.