Pressure and fullness in ear, sore teeth?

That's a need for MD: Best solution would be to have this examined by a professional (family doctor), and throat cultured and assessed. Upper respiratory tract infections may well be due to virus, bacteria, etc. You might try using a netti-pot or nasal saline spray along with a decongestant and nsaid. This sounds like it may be due to sinus disease, in which case the above might well help.

Wisdom teeth: This could be lots of different things, but commonly i see these symptoms with impacted wisdom teeth. An x-ray would be the only way to rule this one out.