OHIP — Enhanced benefits, including additional evaluations and preventive treatments, may be available for participants who are pregnant or have been diagnosed with or treated for one of the following health issues: cardiovascular disease, diabetes, stroke, head and neck cancer radiation, organ transplants or chronic kidney disease. Complete the Cigna Dental OHIP Registration Form to enroll in the program. Once enrolled, simply visit your regular dentist for treatment, and Cigna will automatically reimburse you for the amount of any co-insurance or co-pays resulting from OHIP charges.