Percocet contains oxycodone, a Schedule II controlled substance. As an opioid, Percocet exposes users to the risks of addiction, abuse, and misuse [see DRUG ABUSE AND DEPENDENCE]. Although the risk of addiction in any individual is unknown, it can occur in patients appropriately prescribed Percocet.
Use a waterpik! It is a miracle for cleaning under the gumline and in between teeth. You'll actually smell that awful smell coming out, but do it 2x a day and it'll fix that kind of odor. Don't forget, it doesn't replace flossing. All pharmacies and walmart, etc sell them.
Sinus inf & smell: Sinus infections can definitely alter your sense of smell. First of all, with the thickening of the mucous membranes and the presence of extra thick mucous, your smell receptors in the nose don't work as well; and (2) if bacteria are present along with purulent drainage, the germs in this carry their own rather unpleasant odor.