1. Worn Enamel

When biting into an ice pop or drinking hot tea leaves you wincing in pain, that sensitivity to hot and cold can be a problem not just for your diet. Temperature sensitivity is often a side effect of damaged enamel, which you can not get back once worn away. Damaged enamel is an erosion of the hard mineral that protects your teeth's surface, as explained by the Journal of Clinical and Diagnostic Research and it is usually the result of exposure to acid or excess sugar. Enamel that wears away can result in cavities, but it produces sensitivity to extreme temperatures much earlier than that. If you suspect this is the reason for your severe tooth pain, talk to your dentist and brush your teeth regularly to help fight against future damage.

2. Cavities

If enamel wears away to the point of exposing the sensitive nerves in your teeth, you have a cavity. These cavities often manifest as sharp pain, particularly when you bite down on something hard, and it does not have to be hot or cold to set you off. Cavities are essentially small fissures in your teeth, but keep in mind they can lead to more complicated infection if left unfilled. You should therefore see your dentist as soon as you suspect you have one; he or she can fill it to prevent it from becoming worse.

3. Cracked Tooth

Maybe you bit down on a hard food or suffered an accident in a contact sport. Whatever the cause, cracked or chipped teeth can definitely give way to severe tooth pain because, like enamel erosion, it exposes the tender nerves deep inside the tooth. If you have cracked a tooth, your dentist can place a crown – a synthetic covering molded to your mouth to seal the crack – to help you avoid pain and improve your smile after it happens.

4. Loose Filling or Dental Work

Although fillings and crowns are meant to be long-lasting solutions to dental issues, they can occasionally crack, become loose or even fall out completely. In this case, the original severe tooth pain from exposed nerves might come back, so you'll need to see your dentist to have the work repaired, replaced or discussed further regarding options that might last longer.

5. Abscess

Perhaps one of the most uncomfortable problems, an abscess occurs when the pulp portion of a tooth's tissue becomes infected – usually the result of a cavity that goes untreated. According to Indian Dental Association, this infection produces swelling, redness, throbbing or diminished pain and even a literal bad taste in your mouth. Abscesses might require a few different treatments: drainage, antibiotics and a root canal to remove the infected tissue and seal the area – all of which are meant to get rid of an abscess and the accompanying pain.

A toothache might be more than just an inconvenient issue. Usually it is a sign that something else is going on, and the sooner the problem is addressed, the faster you can get back to pain-free days. See your dentist for severe tooth pain and you will be back to normal in no time.

This article is intended to promote understanding of and knowledge about general oral health topics. It is not intended to be a substitute for professional advice, diagnosis or treatment. Always seek the advice of your dentist or other qualified healthcare provider with any questions you may have regarding a medical condition or treatment.