Cavities, a cracked tooth, loose fillings or a sinus condition can all lead to toothache pain. Here are home remedies to relieve the ache Clove oil Jus add two drops of clove oil on a cotton ball and place it against the tooth. You can use powdered clove or place a clove piece on the tooth. Salt water Add a teaspoon of salt in hot water and gargle your mouth with it. Salt water cleanses the area around the tooth and draws out some of the fluid that causes swellings. Onion Chew raw onion for sometime till the pain reduces or you can even place a piece of onion on the tooth. Garlic Crush a garlic clove and mix in some salt. Apply this on the affected tooth or you can chew a garlic clove to get relieve. Salt and pepper Take equal amounts of salt and pepper, preferably a teaspoon each and add a few drops of water to form a paste. Apply this paste on your tooth and leave it for a few minutes. Asafoetida Take ½ a teaspoon of asafoetida and add 2 teaspoons of lemon juice. Warm the mixture up. Dip a cotton ball in the mixture and apply on the tooth. Awesome beauty hacks using coffee!!! Natural remedies for grey hair!!! Great tips for losing weight after pregnancy !