Things that numbs dental pain are benzocaine and other over the counter topical anesthetics.
Orajel and Anbesol are common over the counter numbing agents that work for numbing of dental pain.
Other natural options for numbing dental pain include peppermint oil and clove oil.
A good over the counter medication for numbing dental pain including tooth pain and tooth aches is red cross toothache medication.
When you apply the red cross toothache medication to the area that you want numbed including for a toothache the pain is gone near instantly.
Just be warned that if you get some of the red cross toothache medication on your lips it can cause some burning of the lips for a little bit but will go away within 5 to 10 minutes or so.
You can also numb dental pain and toothaches using some Vanilla extract as Vanilla extract has alcohol in it and will numb the dental pain for at least awhile and the antioxidants that are in the vanilla can also help you heal.
You can also use peppermint tea bags to numb dental pain and toothaches and soothe sensitive gums.
You can use a used tea bag after it has cooled down some and apply it to the affected area.
Other things you can do to help with toothaches and dental pain include.
Rinsing your mouth with warm water.
Using dental floss to remove any food bits or plaque between your teeth.
You can also take a pain reliever you can buy without a prescription to dull the ache.
And if the toothache is caused by trauma to the tooth, apply a cold compress to the outside of your cheek.