Toothache may be due to inflammation in the mouth, you can eat some fruits that clear heat and lower fire, such as watermelon, grapefruit, dragon fruit, persimmon, mangosteen, banana, pear and other fruits, which can help clear heat and detoxify the body, clear the stomach and cool the blood. Another reason for toothache is the lack of vitamins, you can eat fruits rich in vitamin B and vitamin C, such as oranges, apples, citrus, grapes, strawberries, cherries, pineapples, etc. These fruits can effectively help the body replenish vitamin B, vitamin C and other trace elements, which can make the toothache get better faster.