Dr. Hakan Karaaslan completed his endodontic training at Hacettepe University, Turkey, where he received his DDS. His post-graduate thesis work focused on the mineral content and structure of dentin exposed to bleaching agents. Pursuing his interest in understanding the development and structure of dental hard tissues, he worked at Dr. Tim Bromage’s Lab at New York University on the incremental nature of enamel. At the Forsyth Institute, USA, Dr. Karaaslan currently investigates developmental dental defects, in particular molar hypomineralization, furthering his passion for hard tissue biology. As an endodontist and a clinician, he also seeks to understand the pulpal aspect of enamel defects and translate basic science findings into clinical therapeutics.