What Causes Toothache?

During a toothache episode, the pain may range from mild, dull discomfort to severe, intense pain. Regardless of its severity, toothache can cause significant distress, making it difficult for patients to concentrate on studying or working calmly. Prompt measures should be taken to alleviate toothache symptoms as soon as possible. Therefore, before initiating symptomatic treatment, it is essential to identify the underlying cause. So—what causes toothache?

What Causes Toothache?

Toothache may result from frequent consumption of spicy or irritating foods, excessive stress, or insufficient sleep. Additionally, various oral diseases can trigger toothache, including dental caries, acute pulpitis, acute pericoronitis of wisdom teeth, and acute periodontitis. As dental caries progress, the decay gradually deepens and approaches the dental pulp tissue, eventually leading to deep caries. If a patient experiences spontaneous pain, intermittent pain, pain triggered by thermal stimuli (hot or cold), nocturnal pain, and pain that cannot be precisely localized, pulpitis is the most likely diagnosis.

The most common causes of toothache are pulp disease and periapical disease. Treatment should prioritize pain relief and infection control. Typically, acute pulpitis and acute periapical pain must first be managed; non-restorable teeth should be extracted. Other carious or pulp-involved teeth require restorative treatment—such as root canal therapy—or re-treatment if initial root canal therapy fails. Concurrently, periodontal therapy—including scaling, root planing, and periodontal surgery—should be performed as needed.

In daily life, drink plenty of boiled water and ensure adequate sleep—avoid staying up late whenever possible. We hope this information proves helpful to you.