The services offered vary from program to program. Certain clinics only provide free or reduced cost dental cleanings and exams. These clinics focus on prevention of dental diseases and maintenance of good oral health habits. Others provide care for common oral health issues like gum disease, cavities, tooth loss, and tooth decay. These sites provide more treatments, including: cleanings, assessments and exams, tooth extractions, filling cavities, applying sealants, and other necessary dental procedures.