337-234-3551 Models Currently Offered Somnomed Avant - The upper and lower splints are designed with the latest Computer Aided Design software and are milled using a single piece of pre-cured dental acrylic. Prosomnus Evo - The first OAT device to incorporate advanced materials, manufacturing robotics and artificial intelligence to advance the treatment of OSA. Herbst - One of the original technologies to start Oral Appliance Therapy for OSA. We have a model that Medicare covers. Serena Elevate - Minimal profile and anatomically correct design to maximize oral cavity volume. Precise incremental mandibular advancement to optimize success.