desensitizing treatment of tooth

例句：

1. 1.The patient was given a desensitizing cream to reduce his itching.
   患者被给予一种脱敏霜来减轻他的瘙痒。
2. 2.During the procedure, the doctor used a desensitizing spray to numb the area.
   在手术过程中，医生使用了一种脱敏喷雾来麻醉该区域。
3. 3. After the surgery, the patient was given a desensitizing medication to help with the pain.
   手术后，患者被给予一种脱敏药物以帮助缓解疼痛。