Dr. Hiroaki Kitajima currently works as an Associate Professor at the Department of Oral and Maxillofacial Surgery, Yokohama City University. He obtained a Doctor of Medicine at Yokohama City University in 2017. He has authored and co-authored several national and international publications and is also working as a reviewer for reputed professional journals. His research interests mainly include bone–implant integration, microrough surfaces, osseointegration, and titanium dental and orthopedic implants.