Hello, the outer surface known as enamel of the tooth protects the small nerve endings present beneath it . By taking too much citrus fruits it can cause erosion of the upper layer leads to sensitivity and the inner layer yellow color becomes visible. So take the fruits under the normal limit and also do not brush very hard because it can also cause the same . For tongue cleaning you can use the tounge scraper .
Next Steps
Brush twice with the correct brushing method. Modified bass method is the right method of brushing you can watch it online or tell your dentist to teach you this.
clean your tongue with scrapper once a day
For sensitivity relief use sensodyne rapid relief toothpaste while brushing for two weeks if you are not having any medical conditions.
do not drink too cold or too hot beverages.
Health Tips
book an appointment online or go for regular checkup