Luc and Patrick Rutten graduated in dental technology at the Dental Technician School "Anneessens" in Brussels/Belgium. After receiving their Master Degree they moved to Cologne/Germany to specialize in different milling techniques and ceramic layering techniques. They lectured regularly all over Europe, in Australia, India, Israel, Japan, Saudi-Arabia, South-Africa and USA. In addition to numerous publications in international dental journals on a regular basis in the field of esthetic implantology and esthetics in general, Luc and Patrick are co-authors of several text books and authored the books "Implant Aesthetics" and "C, B and I: The Art of Harmony". Luc and Patrick maintain a dental laboratory in Tessenderlo/Belgium, dedicated to ceramic restorations and esthetic implantology.