While there are numerous benefits to dental deep cleanings, there are also potential risks such as temporary tooth sensitivity or sore gums following the procedure. In rare cases, the treatment could introduce bacteria into the bloodstream. People with certain heart conditions may need to take antibiotics beforehand as a precaution, as recommended by the American Dental Association (ADA). It’s important to consult with your dental provider about any specific health concerns you might have before undergoing a deep cleaning.