What can cause random toothaches?

Many sources: Many possibilities to nerve breakdown of the tooth itself to secondary referral from other anatomical regions of the head and neck.

Possible teeth grind: It is possible that you are grinding your teeth. Your dentist should be able to diagnose if that is the case. Treatment is painless and relatively quick with a properly designed orthotic.

Many causes: In most instances, toothaches are caused by tooth problems, such as a dental cavity, a cracked tooth, an exposed tooth root, or gum disease. However, disorders of the jaw joint (temporo-mandibular joint) can also cause pain that is referred to as "toothache.".