Why it works: This essential oil is a natural antibacterial and antiseptic that can penetrate gum tissue and numb irritated nerves (9✓).
How to use: Dilute 1 drop in a teaspoon of carrier oil and apply to the affected tooth with a cotton swab. Alternatively, add a few drops to a glass of warm water and use as a mouth rinse.
5. Oil of Oregano
Why it works: One of the strongest natural antimicrobials, oregano oil has anti-inflammatory and pain-relieving properties. Some studies suggest its compounds are as potent as synthetic antibiotics (10✓).
How to use: Mix 1–2 drops of oregano oil with a teaspoon of olive oil. Apply with a cotton ball to the painful tooth, or dab gently with a Q-tip. Leave in place for several minutes.
6. Turmeric Paste
Why it works: Turmeric contains curcumin, a powerful anti-inflammatory and antibacterial compound that can help relieve pain and reduce swelling (11✓).
How to use: Mix 1 teaspoon turmeric powder with a few drops of water to make a thick paste. Apply to the sore tooth with a cotton ball and leave for 30–60 minutes.