S K Kanneppady1, S S Kanneppady2, T Chaubal3, R Bapat3. 1. Division of Oral Diagnostics and Surgical Sciences, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia. 2. Department of Pharmacology, Faculty of Medicine, Lincoln University Medical College, Selangor, Malaysia. 3. Division of Clinical Dentistry, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia.