Dr. John Nesan

Dr. John Nesan is an oral and maxillofacial surgeon, healthcare technology innovator and entrepreneur who specialises in integrating 3D printing, digital design and virtual surgical planning into reconstructive surgery. He is the Director of CTARS – Centre for Technology Assisted Reconstructive Surgery, based in Chennai, Tamil Nadu.

Dr. Nesan completed his Bachelor of Dental Surgery (BDS) at Ragas Dental College, Chennai, in 1997 and his Master of Dental Surgery (MDS) in Oral and Maxillofacial Surgery at Sri Ramachandra Dental College, Chennai, in 2008. His postgraduate research on stereolithographic models in oral and maxillofacial surgery helped shape his professional interest in medical 3D technology.

At CTARS, he leads initiatives involving patient-specific implants, surgical guides, orthognathic splints, anatomical models and computer-aided design and manufacturing for complex reconstructive procedures. The organisation works with surgeons and technical specialists to develop customised solutions that support surgical planning, precision and patient care.

Dr. Nesan actively promotes the application of additive manufacturing and digital technologies across dentistry, oral and maxillofacial surgery and craniofacial reconstruction. He has also participated in professional workshops, academic lectures and industry–academia collaborations to encourage wider adoption of technology-assisted healthcare.

His work represents the growing convergence of medical expertise, engineering and 3D manufacturing in personalised surgical treatment.