They said not to worry--not the dentist but an assistant. Then, I lost my
dental insurance due to a bad accident and not being able to work. I kept good dental hygiene habits and rinsing with a commercial rinse that has H2O2 in it. But, my cheek seemed to slightly thicken, my discomfort spread to my jaw and a mild headache only on that side, with some mild swollen neck glands.