How long can teeth sensitivity due to grinding teeth (bruxism) last?

Differs: This really differs from person to person. The real issue comes down to resolving the bruxism, typically with an appliance and then treating the sensitivity. When it comes to the sensitivity, start with an otc product such as sensodyne. There are other things that can be done, but those are all things that require treatment in the dental office.

Forever?: Bruise is a habit that possible may never be stopped. You can fabricate guards to protect the wearing away of tooth structure but can still cause trouble to the joint. There are some treatments that can break the habit through appliance therapy, relaxation, yoga etc. It all depends on the causative fracture which could be drug fixit to determine. It may not just be the appearance of the teeth.