What causes tooth pain? Tooth pain, or odontalgia, occurs when the nerve inside a tooth or the surrounding tissue becomes irritated or inflamed. The four most common causes are dental cavities, cracked or fractured teeth, gum disease, and tooth sensitivity. Understanding which type of pain you are experiencing helps determine the urgency and appropriate treatment.
If you are experiencing tooth pain in Saratoga Springs, contact Saratoga Smiles for an evaluation. Some causes require prompt attention to prevent complications.
1. Dental Cavities (Tooth Decay)
Cavities are the most common cause of tooth pain worldwide. They occur when bacteria produce acids that erode tooth enamel, eventually reaching the softer dentin layer and potentially the nerve. Pain from cavities typically starts as sensitivity to sweets or temperature and progresses to a persistent ache.
Early cavities can be treated with tooth-colored fillings. Advanced decay that reaches the nerve may require root canal therapy to save the tooth.
2. Cracked or Fractured Teeth
A cracked tooth produces sharp pain when biting or chewing, often disappearing when pressure is released. Cracks can result from biting hard objects, grinding teeth, trauma, or large existing fillings that weaken tooth structure. Some cracks are invisible to the naked eye and require careful examination or imaging to detect.
Treatment depends on severity. Minor cracks may need a dental crown to protect the tooth. Severe cracks that extend below the gumline may require extraction.
3. Gum Disease (Periodontal Disease)
Gum disease causes pain, tenderness, and swelling in the gum tissue surrounding teeth. According to the CDC, nearly half of adults over 30 have some form of periodontal disease. Early-stage gingivitis causes bleeding during brushing. Advanced periodontitis can lead to loose teeth, bone loss, and chronic pain.
Gum disease treatment includes deep cleaning (scaling and root planing), antibiotic therapy, and improved home care. Early intervention prevents progression.
4. Tooth Sensitivity
Sensitivity produces brief, sharp pain triggered by hot, cold, sweet, or acidic foods and drinks. It occurs when enamel wears thin or gum recession exposes the tooth root. Unlike cavity pain, sensitivity is typically momentary and subsides quickly.
Treatment includes desensitizing toothpaste, fluoride applications, and in severe cases, bonding or gum grafting to cover exposed roots.
When Is Tooth Pain a Dental Emergency?
Seek immediate care if you experience severe, throbbing pain that does not respond to over-the-counter medication; swelling in your face, jaw, or around the tooth; fever accompanying tooth pain; pain following trauma or injury; or a knocked-out or partially dislodged tooth. Call Saratoga Smiles at (518) 584-5060 for emergency guidance.
Frequently Asked Questions
Why does my tooth hurt only when I bite down?
Pain when biting typically indicates a cracked tooth or a problem with an existing filling. The crack opens under pressure, irritating the nerve, then closes when pressure is released.
Can tooth pain go away on its own?
Sometimes sensitivity improves, but cavity pain and infection pain will not resolve without treatment. A tooth that stops hurting suddenly may indicate the nerve has died, which is not healing; it requires evaluation.
Should I go to the ER for tooth pain?
ERs can manage pain and infection with antibiotics but cannot perform dental treatment. A dentist is the better choice for tooth pain unless you have severe swelling affecting breathing or swallowing.
How can I prevent tooth pain?
Regular dental exams and cleanings, daily brushing and flossing, limiting sugary foods, and wearing a night guard if you grind your teeth are the most effective preventive measures.
Reviewed by Dr. Richard Dennis, Saratoga Smiles, 6 Carpenter Lane, Saratoga Springs, NY 12866.