The Clinic is a free dental clinic that provides a wide range of dental services for low-income and homeless persons in San Antonio and Bexar County. We offer the CareLink financial assistance program to Bexar County families who do not have health insurance and do not qualify for other coverage.Our Stone Oak dental office allows you to see a dentist without insurance. Call us if you need a tooth extraction, root canal, a loose dental crown. Applicants must be residents of Bexar County at least 18 years old. The Student Dental Clinic does not accept dental insurance, and payment is expected at the time of service. The Oral Health Program helps connect children to dental care. Learn more about our oral health initiatives for children and resources for families. Our team offers one-on-one assistance throughout the application process, which usually takes 5 to 7 business days. Dental sealants "seal out" germs to prevent cavities on molars (back teeth).