The annual CT Mission of Mercy annual free dental clinic will be this Friday and Saturday at Western CT State University in Danbury. The clinic provides cleanings, fluoride treatments, extractions, fillings, limited dentures and root canals and X rays to people who can’t afford dental care. Interpreters are available. The CT Foundation for Dental Outreach and the CT State Dental Society started sponsoring the free clinics annually around the state in 2008. Last year in Hartford 2,295 people received over $1.5 million of dental care.