Monolithic restorative materials are increasingly being applied in modern prosthetic treatment concepts, owing to the digital transformation in dentistry and advances in computer-aided design and manufacturing (CAD-CAM) [1]. The range of options for clinicians is enormous, given the variety of available products with various material properties [2,3]. Most monolithic restorations are manufactured in a CAD-CAM process -subtractive or additive -that requires less time and effort as compared with conventionally veneered restorations, especially regarding the laboratory workflow; Joda et al. reported a single implant crown (SICs) treatment cost savings of 30% and a significant time reduction as compared to veneered crowns [4].CAD-CAM materials can be easily integrated into digital con-cepts[5], which will become increasingly important in the future due to ongoing digitalization [6]. In addition, many requirements of modern dentistry, such as favorable tooth-colored esthetics, exceptional physical properties, and excellent biocompatibility, can be met by tooth-colored monolithic restorative materials [2,3,[7][8][9].