Prof Dr Johnson Raja James

Prof Dr Johnson Raja James

Prof Dr Johnson Raja James is undoubtedly one of the best zygomatic implant experts in India. First of all, Dr James has a post-graduate degree in Periodontology from Raga Dental College & Hospital. Afterward, he continued to specialize with the best dental surgeons, nationally and internationally. Specifically, he has over 15 years of experience in Advanced Zygomatic Implantology, Piezosurgery, and Peri-Implant Regeneration. Thanks to his specializations, Dr James became a true pioneer of zygomatic implants in India.

Since 2006 Dr James concentrated his interest in Periodontology and Advanced Implantology. At the moment, Dr Johnson Raja James is the senior implant consultant at ImplanTree International, the first ZAGA Center in Chennai. Throughout his entire career, he has placed more than 6000 implants, therefore, becoming an expert in zygomatic implants. Particularly, because of the care he puts into his job, at ImplanTree International, Dr Johnson Raja James follows the ZAGA philosophy. Moreover, Dr James combines his profession with teaching and lecturing at various universities and congresses. Indeed, he is the author of several medical publications. Finally, his passion for constant improvement and research led him to develop Guided Protocols for zygomatic implants, used by only a small percentage of implant surgeons worldwide.

Prof Dr JamesAchievements

  • Vice Principal and Professor at rajas Dental College and Hospital, April 2007 – Present.
  • Managing Director at ImplanTree, September 2017 – Present.
  • Director at Xpertz Dentofacial Scan Pvt Ltd, September 2017 – Present.
  • Mentor and Expert Faculty at ImplanTree Foundation for Advanced Dentistry, September 2017 – Present.
  • Director at Oasis Matriculation Higher Secondary School, October 2010 – Present.


Standardized photometric assessment method: A novel approach for the analysis of dental ergonomic posture. Thamil Selvan Muthuraj, Jacob Raja, Johnson Raja James, Jeyaraj Prince Mohan Raj, Divya Subramnian, Abinaya Varatharajan. PMID: 32773972 PMCID: PMC7307479 DOI: 10.4103/jisp.jisp_405_19


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