Common Causes of Jaw Pain and Tooth Sensitivity

Jaw pain and tooth sensitivity can make it difficult to chew, speak, sleep, or enjoy everyday meals. At Dent Aid Dentistry in San Diego, we often see patients who are unsure whether their discomfort is coming from the teeth, jaw joints, gums, or something deeper. Because these symptoms can have several causes, a dental evaluation is the best way to find the source and choose the right treatment.
 

Tooth Decay Or Damaged Enamel

One of the most common causes of tooth sensitivity is weakened enamel. Enamel protects the inner layers of the tooth, but it can wear down over time due to cavities, acidic foods, aggressive brushing, or grinding. When enamel becomes thin or damaged, hot, cold, sweet, or acidic foods may trigger sharp discomfort.

If tooth decay is involved, sensitivity may become more frequent or localized to one tooth. Treating the issue early can help prevent the cavity from getting larger or reaching the nerve.
 

Gum Recession And Exposed Roots

Gum recession can expose the roots of the teeth, which are more sensitive than the enamel-covered surfaces. This may cause discomfort when brushing, drinking cold beverages, or breathing in cool air.

Receding gums may be linked to gum disease, brushing too hard, clenching, aging, or certain bite issues. During an exam at our San Diego dental office, we can check your gum health and recommend treatment to help protect your teeth and reduce sensitivity.
 

Teeth Grinding And Jaw Clenching

Grinding or clenching, also known as bruxism, can place excess pressure on the teeth and jaw muscles. Many people grind their teeth at night without realizing it. Over time, this can lead to jaw soreness, tooth sensitivity, headaches, worn enamel, and even small cracks in the teeth.

Common signs of grinding or clenching may include:

• Jaw soreness in the morning
• Sensitive or tender teeth
• Headaches near the temples
• Worn, flattened, or chipped teeth
• Tightness when opening or closing the mouth

A custom nightguard may help protect the teeth and reduce strain on the jaw.
 

TMJ Problems And Bite Imbalance

The temporomandibular joints, often called the TMJ, connect the jaw to the skull. When these joints or surrounding muscles become irritated, patients may feel jaw pain, clicking, popping, stiffness, or discomfort while chewing.

TMJ-related pain can sometimes feel like a toothache, which is why a dental exam is important. We can evaluate your bite, jaw movement, and teeth to determine whether your symptoms are related to TMJ dysfunction, grinding, or another dental concern.
 

Cracked Teeth Or Failing Dental Work

A cracked tooth, loose filling, damaged crown, or worn restoration can also cause tooth sensitivity and jaw discomfort. Pain may come and go, especially when biting down or releasing pressure after chewing.

Cracks are not always easy to see without a dental exam, and delaying care can allow the problem to worsen. If you notice pain when chewing or sensitivity in one specific area, it is important to have it checked.
 

When To Schedule A Dental Visit

Jaw pain and tooth sensitivity should not be ignored, especially if symptoms are persistent, worsening, or affecting your daily comfort. Even mild sensitivity can point to an issue that is easier to treat when found early.

At Dent Aid Dentistry, we take a personalized approach to diagnosing dental pain. We look at your teeth, gums, bite, jaw function, and oral health history to understand what is causing your symptoms and how we can help.
 

To schedule an evaluation for jaw pain or tooth sensitivity, contact Dent Aid Dentistry in San Diego, CA by calling (858) 256-1437.