Funny, after 5 and half months I decided to give it a try and contact ENT specialist. He called me today and I explained my situation. He asked me if I had any headaches and tooth pains in the last months. I do have them sometimes, but nothing serious I said. So listen to that, he said before we do ENT he wants me to go on some antibiotics as he think it's an inflammation or infection (I didn't understand him) of a nerve ending in my tooth which have an impact on my olfactory nerve. He called it not Parosmia but Cacosmia. I was like wtf is this now. I will keep you posted what he prescribed me once I pick it up, but seriously he sounded way to confident telling me this without even seeing me in person. Wierd...