What causes tooth sensitivity when eating hot foods?

Dec 09, 2022 Source: Cainiu Health
Dr. Zhang Liwen
Introduction
Tooth sensitivity to hot foods or drinks may be caused by deep caries, dentin hypersensitivity, or pulpitis. When a patient has deep tooth decay, the entry of hot water into the cavity can cause stimulation, leading to tooth pain when consuming hot liquids. In addition, sensitivity to heat might also result from tooth wear. Patients are advised to avoid spicy and greasy foods to prevent infection.

Teeth sensitivity to hot food or drinks may be caused by deep caries, dentin hypersensitivity, pulpitis, or other reasons.

1. Deep Caries

If a patient has deep tooth decay, the entry of hot water into the cavity can cause irritation, leading to tooth pain when drinking hot liquids. Treatment options under medical guidance include restorative filling, root canal treatment, or tooth extraction.

2. Dentin Hypersensitivity

When teeth are worn down, decayed, or fractured, dentin may become exposed. This can cause tooth sensitivity not only when consuming hot or cold foods, but also during brushing, eating hard foods, or consuming acidic or sweet substances. Treatments under medical supervision may include the use of fluoride gel, strontium chloride gel, or ammoniacal silver nitrate gel.

3. Pulpitis

If a patient experiences tooth pain with hot drinks, along with pain from cold water, nighttime pain, or spontaneous pain, it could be due to pulpitis caused by bacterial infection, excessive tooth wear, or similar factors. Treatment options under professional guidance may include direct pulp capping, indirect pulp capping, or pulpotomy.

In addition, tooth sensitivity to heat might also result from tooth wear. Patients are advised to avoid spicy and greasy foods to prevent infection. It is important to seek timely medical care and undergo proper treatment.

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