After a dental restoration operation, the most prevalent risk is sensitivity or general discomfort. It is very rare that we see infections or adverse reactions to the metals used. Dental restorations pose little dangers, however, crowns, for example, can chip, loosen, or fall out (permanent crowns do not). Root canals or tooth removals may be required if you have extensive cavities or wait too long to have them fixed. If you face an issue after a teeth restoration procedure sees your dentist right away.