OHI-S | 1,455 followers on LinkedIn. All dental training courses in one place | Founded in 2017, OHI-S is a unique educational product for dentists from all over the world! We provide doctors with the latest knowledge and technology for a better care of patients. Dentists can choose the most comfortable form of learning, whether it is online or offline training (webinar, hands-on, office courses, congress) and gain knowledge anywhere and anytime.