Some people mix a small amount of olive oil in their clove oil to dilute it a little bit.). 1  Peppermint Oil: Apply to the affected tooth and surrounding gum area. 2  SWEET MARJORAM: Dip a Q-tip in marjoram oil and put on the aching tooth. 3  TREE TEA OIL: A powerful antiseptic. 4  TEI-FU OIL: A good toothache remedy for toothache pain relief. : 5  Use a ...