Kyungpook National University | South Korea
Professor Hyo-Sang Park, DDS, MSD, PhD, is a distinguished orthodontist and academic leader with over three decades of contributions to orthodontic science, education, and clinical innovation. He currently serves as Professor and Chair of the Department of Orthodontics at the School of Dentistry, Kyungpook National University (KNU), Daegu, Republic of Korea, where he has played a pivotal role in advancing both fundamental and applied orthodontic research. Professor Park’s research career is deeply rooted in biological responses to orthodontic tooth movement, with early work focusing on immunohistochemical analysis of neurotransmitter expression during orthodontic force application. His experimental studies using animal models, particularly rats, have significantly enhanced the understanding of craniofacial growth, bone remodeling, and tissue adaptation under orthodontic conditions. These foundational investigations have provided important insights into the biological mechanisms underlying orthodontic treatment efficiency and stability. A central and defining theme of Professor Park’s research is the development and clinical application of titanium microscrews and micro-implant anchorage systems (MIA). For over 24 years, he has been a leading researcher and clinician in this field, conducting extensive animal experiments and clinical trials to optimize micro-implant design, placement protocols, and biomechanical applications. His work has contributed substantially to the global adoption of microscrew anchorage as a reliable and minimally invasive solution for complex orthodontic movements, reducing the need for patient compliance and extraoral appliances. Professor Park’s research excellence has been internationally recognized, including the CDABO Case Report of the Year Award (2005) from the American Association of Orthodontists and the American Journal of Orthodontics and Dentofacial Orthopedics, as well as multiple honors from the Korean Association of Orthodontists.
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University of Granada | Spain
Dr. María Cristina Vallecillo Rivas is a highly accomplished clinician–scientist and academic specializing in clinical dentistry, oral surgery, implantology, and biomaterials research. She holds a PhD in Clinical Medicine and Public Health (Cum Laude) from the University of Granada, Spain, following a Bachelor’s Degree in Dentistry and multiple postgraduate Master’s degrees in Oral Surgery and Implantology, Multidisciplinary Esthetic Dentistry, and Odontological Sciences. Her academic trajectory is distinguished by consistent sobresaliente distinctions and the prestigious Extraordinary End-of-Degree Award. Her research focuses on guided bone and tissue regeneration, implant stability, biomaterials, collagen-based and polymeric membranes, peri-implant diseases, and evidence-based clinical dentistry. Dr. Vallecillo has authored and co-authored numerous high-impact SCI-indexed publications in leading journals, including Clinical Oral Investigations, Polymers, Journal of Clinical Medicine, and The Journal of Evidence-Based Dental Practice, frequently serving as first and corresponding author. Her scholarly work spans systematic reviews, meta-analyses, randomized controlled clinical trials, and translational biomaterials research. Alongside her research, she has made significant contributions to postgraduate and doctoral-level teaching in oral surgery, implantology, maxillofacial infections, and soft tissue management, while supervising Master’s theses and supporting curriculum development initiatives. Recognized for her scientific rigor, interdisciplinary collaboration, and commitment to translating research into clinical excellence, Dr. Vallecillo is regarded as a leading early-career academic in contemporary dental and oral health sciences.
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