Academic and Scientific Contributions Dr. Ayhan is a highly respected academic, having authored or co-authored more than 85 international publications in leading peer-reviewed journals and over 45 publications in Turkish journals. His work has been cited nearly 1,500 times. He has contributed 7 book chapters, 1 book chapter translation, and 2 book translations.

He is an active member of several national and international professional societies, including:

• Turkish Society of Plastic, Reconstructive, and Aesthetic Surgeons (TSPRAS)

• Turkish Society for Reconstructive Microsurgery (TSRM)

• Turkish Society for Wound Care

• European Association of Plastic Surgeons (EURAPS)

Dr. Ayhan has also held significant leadership roles in professional societies. He served as a Board Member of the Turkish Society for Reconstructive Microsurgery (2006-2016) and the Turkish Society of Plastic, Reconstructive, and Aesthetic Surgeons (2008-2021). He was elected as President of TSRM (2014-2016) and later as President of TSPRAS (2018-2021).

Areas of Expertise His clinical interests include reconstructive and aesthetic breast surgery, rhinoplasty and aesthetic surgery, post-oncologic and post-traumatic reconstruction.

His scientific research focuses on implant surface science, hypercoagulability in plastic surgery, peripheral nerve regeneration, flap survival and ischemia-reperfusion injury, composite tissue allotransplantation. Additionally, Dr. Ayhan is deeply involved in medical education, particularly in clinical skills education and basic microsurgery training.