What should I do if my teeth feel sensitive and painful when drinking cold water?
During winter, many people enjoy hotpot or spicy skewers, often paired with an icy-cold beverage—a combination that delivers a refreshing, tangy sensation. However, this habit can trigger tooth pain. But what exactly causes this?

What to Do When Teeth Feel Sensitive or Painful to Cold Water
Tooth sensitivity or pain upon drinking cold water may stem from periodontitis or dental caries. Appropriate treatment targeting the underlying cause is essential to alleviate symptoms.
Periodontitis: Poor oral hygiene allows bacterial plaque to accumulate on teeth over time, leading to tartar formation. Tartar irritates the gums, causing gingival recession and alveolar bone loss. As a result, exposed root surfaces become hypersensitive to cold stimuli. A visit to a dental clinic for professional scaling and root planing is recommended; in severe cases, guided tissue regeneration (GTR) may be performed to encourage new tissue growth covering the cervical region of the tooth.
Dental Caries: Excessive consumption of sugary foods promotes bacterial proliferation, increasing the risk of tooth decay. This decay can lead to cold-induced tooth sensitivity or pain. Prompt dental consultation is advised, followed by restorative treatment using composite resin or glass ionomer cement to restore the affected tooth and relieve symptoms.
When cold-induced tooth pain becomes severe, timely dental evaluation is crucial to identify the precise cause and initiate targeted therapy. Daily oral hygiene practices—including brushing twice daily (morning and night), rinsing after each meal, and avoiding harmful habits such as smoking and excessive alcohol consumption—are vital for maintaining periodontal health.
During episodes of tooth pain, avoid cold beverages to prevent exacerbating discomfort. Applying a cold compress or ice pack externally to the cheek over the painful area may help reduce neural excitability and slow nerve conduction, thereby alleviating pain. Maintain consistent brushing before and after meals, avoid spicy or irritating foods, ensure regular sleep patterns, minimize late-night activities, schedule professional dental cleaning annually, and undergo routine oral examinations—these measures enable early detection and prompt management of potential dental issues.
We hope the above information proves helpful. Wishing you good health and happiness!