Dr. Zygintas Jonaitis has over 27 years of practical experience in aesthetic restorative dentistry and has analyzed more than 100 scientific articles in the field. Since beginning his work in 1993, he has focused on advanced restorative techniques. From 2008 to 2020, he led continuing education courses on aesthetic prosthetics and occlusion in Kaunas, which attracted dentists from across Lithuania. His courses covered topics such as the restoration of dental aesthetics with glass ceramic veneers, biomechanical and functional restoration using glass ceramic onlays and partial crowns, and the role of occlusion in daily dental practice.