I go to one, well only when I can't avoid it, and he speaks English, being from Puerto Rico and having trained in Boston. I've a very low pain and squeamish threshold, and it wasn't too bad.
He's called Dr Sanchez Tejera,
Fernando el Católico, 86, 1 B, escalera derecha
(Metro Moncloa) (see address in photos via QDQ.com
HERE )
Tel 91 544 46 24
He's not cheap though. In fact none of them are. Weeks after your toothache's gone, the memory of all those Euros spent will continue to ache