Dr. Abu-Hussein Muhamad is a distinguished pediatric dental specialist based in Athens, Greece. With qualifications including DDS, multiple master's degrees, and advanced certifications in Pediatric Dentistry, Oral Biology, Biostatistics, and Orthodontics, he has built an exemplary career in dental education, research, and practice.

He has trained at prestigious institutions such as the University of Athens, Aarhus University, New York University, and Utrecht University. His clinical interests span pediatric dentistry, bioesthetic and cosmetic dentistry, orthodontics, implantology, and minimally invasive techniques, with over 3,000 hours of advanced continuing education in the past decade.

Dr. Muhamad has authored over 450 peer-reviewed publications and co-authored a textbook on dental care for cancer patients. He has delivered more than 350 lectures and CE courses across over 25 countries, and his work has been recognized with numerous international awards, including the Bengt Magnusson Award and two Bright Smile Bright Future Awards from the International Association of Pediatric Dentistry.

He is a ScholarGPS® ranked researcher (ID: 73064148020930) with an impressive academic citation profile—h-index: 32, i10-index: 84, and 3467 citations. He is actively involved in research, scientific societies, and global pediatric dental education.

Lan Zhang is an associate professor of West China School of Stomatology, Sichuan University. Her research interests are the pathogenesis, diagnosis and treatment strategy of endodontic diseases, especially the influence of systemic diseases such as diabetes on apical periodontitis. Besides, she is also interested in the application of artificial intelligence in dentistry. She hosted two National Natural Science Foundations(China) and authored over 30 peer-reviewed scientific articles in Journal of Dental Research, Journal of Endodontics and International Endodontic Journal.