Dr. Nallapati is world renowned in the specialty of Endodontics. He lectures across the globe on Endodontic Diagnosis, the Clinical Management of Complex Endodontic Anatomy, Calcified Anatomy, Case Selection, Clinical Management of Dens Invaginatus, Clinical Management of Three Canal Premolars, How to Build a Quality Centered Endodontic Practice, Cone Beam CT imaging in Endodontics , Interdisciplinary Treatment Planning in Endodontics and Pulp Therapy . He has been invited to 16 countries so far to speak at dental and endodontic conventions. He spoke at the national endodontic societies’ annual conventions of Germany, Spain, Italy, India, Mexico, Venezuela, Columbia , USA (AAE) 4 times, California state association and New Jersey state association, European Society of Endodontology biennial congress (ESE) twice, and national dental societies of Jamaica (thrice) and Costa Rica. He also has the distinction of the first NSU Alumni to be invited to speak at the annual NSU endo alumni meet. Here is a complete list of the meetings where he has spoken as a key note speaker so far: