The Cochrane Oral Health Group (CHOG) is one of 53 review groups around the world belonging to The Cochrane Collaboration: an international non-profit and independent organisation, providing up-to-date information about the effects of health care.
CHOG is an international network of healthcare professionals, researchers and consumers preparing, maintaining, and disseminating systematic reviews of randomised controlled trials in oral health. Oral health is broadly conceived to include the prevention, treatment and rehabilitation of oral, dental and craniofacial diseases and disorders. The COHG has a website and a blog where you can find out more about them.