Simple ways to relieve tooth acidity usually include toothpaste desensitization and other treatments. Tooth acidity may be related to periodontitis, dental caries and other factors. 1. Toothpaste desensitization: Patients with significant tooth acidity can choose to use anti-allergic toothpaste, which can effectively relieve tooth acidity. Generally speaking, this toothpaste contains a certain amount of strontium chloride and sodium fluoride, which can effectively relieve the allergy symptoms. 2. Other treatments: If the patient suffers from periodontitis, you can choose ultrasonic scaling or subgingival scraping, after the inflammation is eliminated, the symptoms of tooth acid will be relieved. If the patient suffers from caries and wedge-shaped defects, you can choose resin filling treatment, which can effectively relieve the symptoms of toothache. Patients should take good daily care of their teeth, eat less spicy and stimulating food, and contact less sensitive substances. If the symptoms of toothache worsen, they should seek medical treatment in time to avoid delaying the condition.