Randomized Controlled Trials in Evidence-Based Dentistry (PDF)

Richie Kohli, BDS, MS, is an Associate Professor in the Division of Dental Public Health, at Oregon Health & Science University School of Dentistry, Portland, OR, USA. She holds a Bachelor's Degree in Dental Surgery from the Baba Farid University of Health Sciences in India and a Master of Science in Dental Public Health from the University of Iowa, USA. Dr. Kohli is a Diplomate of the American Board of Dental Public Health and is a recognized international expert in the field of dental public health. Dr. Kohli has 18 years of clinical, research, and administrative experience. She is widely known for her research in education, clinical research, and community-based research. With her innovative research, she has meaningfully contributed to improving access to quality dental care for historically underserved populations and to improving training for dentists, particularly relating to addressing the opioid epidemic and racial equity in dentistry. Dr. Kohli has received millions of dollars to conduct her research and has published and reviewed articles in leading peer-reviewed journals. Dr. Kohli lectures nationally and internationally. She has held leadership positions at the International Association for Dental Research and the American Association of Public Health Dentistry.





Harjit Singh Sehgal, BDS, MS, FAGE, is an Associate Professor and Co-director of Predoctoral Periodontics in the Division of Periodontology at the Oregon Health & Science University School of Dentistry, Portland, Oregon, USA. Dr. Sehgal holds a Bachelor's degree in Dental Surgery from the Manipal University and a Certificate in Periodontics and a Master of Science degree in Dentistry from the University of Minnesota. He is a Diplomate of the American Board of Periodontology and serves as a board examiner as well. Dr. Sehgal is a passionate educator, clinician and a scientist and has over 20 years of clinical and research experience. He directs many periodontology courses