Why Your Bottom Front Teeth Hurt

The front bottom teeth may be hurting for a variety of different reasons. This includes blocked sinuses, gum disease/inflammation, pulp inflammation, tooth decay, cracked tooth, a cavity, or nerve root exposure. It could also be due to anesthetic injections during oral procedures like root canal treatment.

Lasting pain in your front teeth after eating or when you feel a sharp pain when you bite down on food may be an indication of an underlying dental issue that may need the attention of a dentist. The treatment method for bottom front teeth that hurt will depend on the specific cause of the discomfort.

Blocked Sinuses

Although the majority of people tend to feel the effects of blocked sinuses in their upper teeth, it’s possible for the pain to also spread to the lower teeth. Medically, this is known as ‘referred pain,’ and is a common thing with the mouth. 

Usually, the longer you have blocked sinus, the greater is the pain felt in your tooth. This is not really a dental issue. A visit to your doctor will advise you on the steps to take in order to ease the pain.

Gum Disease/Infection

Infections in your gums may lead to a painful abscess. Any signs of gum disease or infection should be taken to the dentist as soon as possible. Your dentist will clean out the infected gum region and also prescribe suitable antibiotics and oral rinses.

TMJ Disorder

The temporomandibular joint (TMJ) connects your jaw to the side of your head allowing you to talk, chew, and yawn. Any form of disorder or dysfunction of the joint, called TMD, can cause you to feel jaw pain which can be similar to a toothache. This type of pain may fade on its own over time but at times may require the attention of your dentist for recommendations. 

Aging Factor

As early as during your mid-20s, the two lower anterior teeth (front lower teeth) start to shift. What was once balanced now starts to change. As the front teeth shift, they will be hitting against the upper front teeth as you chew or grind which may also cause them to wear or shift. This could also be a cause of minor but persistent discomfort and pain.

Overbite or Underbite

Overbite is a vertical overlap of your upper teeth over the lower ones. This often causes your lower front teeth to bite on your gums behind your upper front teeth. This cause gum tissue damage and it may also damage the underlying bone. An underbite is when your lower front teeth tend to protrude in front of your upper front teeth. Both of these dental conditions may cause pain in your teeth.


The front teeth are particularly sensitive to cold and hot food items. That can translate into temporary pain which fades after a while. Your teeth might also feel quite sensitive following professional cleaning or other restorative procedures such as crown placement or root planing. Usually, such pain will disappear in a couple of weeks.

Lasting front tooth pain may be due to infection, injury, or dental decay. Regardless of what is causing your teeth to hurt, if it persists or becomes ongoing, it’s best to see an endodontist for specialized treatment.

Author: Peter Mayhew

Peter is a dental hygienist in the city of Chicago, IL. In his free time he likes to write blogs and product reviews on anything dental health related.