I don't know if this is available for you or what brands or what it's called there - but we have gel that you can put on a toothache, just a bit will do it. Just a drop and poof... no pain. Odd taste in your mouth though, and if you get it on your tongue it'll also go numb. It will work with whiskey and beer, but you might have to use it more often.
Also you don't want to use it for so long that the pain goes away forever, because forever could become really short.
Something else you can try. If you can find some wood dust like after you sand or saw some wood, you can just use a drop of clove oil mixed in with a bit of sawdust. The sawdust kind of keeps the clove oil on point. Don't drink anything with alcohol though. The oil gets diluted really fast in alcohol. Dentists use a paste made with clove oil for dry socket. That hurts worse than amputating one of your balls. Don't ask how I know. I don't want to remember.