His current clinical/research interests include Diagnosis (Clinical and Microscopic) of Oral Diseases, HPV in Oral Diseases, Oral Cancer, Mucocutaneous Diseases, and Salivary/Oral Stem Cell Biology in co-operation with Laboratory of Molecular Biology, Department of Conservative Dentistry, Periodontology/Preventive Dentistry, Medical University of Hannover, Germany. He is a member of European Association of Oral Medicine, International Association of Oral Pathology and International Association for Dental Research. He participated in more than 50 published manuscripts, more than 100 presentations and serves as invited reviewer in more than 15 journals.