It is not recommended to use concentrated tinidazole gargle without water on the day of tooth extraction. 1. Blood clot starts to form in the extraction socket after tooth extraction. The blood clot is not stable on the day of tooth extraction and may fall off easily due to the impact of gargling. Therefore, it is generally recommended that teeth should not be brushed or rinsed within 24 hours after tooth extraction to avoid bleeding or poor healing of the extraction socket. Therefore, it is not recommended to contain any mouthwash on the day after tooth extraction. 2. Concentrated Tinidazole Gargle should be used for the adjuvant treatment of gingivitis, pericoronitis, periodontitis and other oral diseases caused by anaerobic infections, and must be diluted and not swallowed. Allergies and patients with blood disorders should be used with caution. Therefore, Concentrated Tinidazole Gargle is not recommended for gargling without water. Specific recommendations to consult a professional doctor, the use of drugs need to follow medical advice.