Yes, dentures can be repaired, but do not try to repair them yourself. Instead, make an appointment with your dentist for a repair. Common repairs include fixing chips or cracks in the denture base or tooth, relining the denture to improve fit, and rebasing or relining the denture to replace a worn or damaged base. However, some damages may be beyond repair and may require a replacement denture. Your dentist will be able to assess the extent of the damage and advise you on the best course of action.