BEST DENTAL CLINIC IN TAMIL NADU! Certain types of medications are known to contribute to bad breath. The side effects of some prescription drugs can produce a dry mouth. This permits starches and carbohydrates to cling to dental surfaces, providing a feast for hungry bacteria. If you suspect that your breath is off-putting to others, schedule a checkup. In just minutes we at Apple Dental can assess your oral hygiene and determine not only the cause of your bad breath, but provide a care plan to eliminate it.