Am hearing some crackling sound in my left ear after my left side wisdom tooth removal two months ago..but it goes away when i pop my ear... i hear this sound (pur pur but but) when i cover my ear and the remove my hand ....also when i give pressure during poop ...and sometimes when i touch my ear or tak loud( i hear this sound after i have finished my speech)..In the normal time i cant hear it..but this goes away as soon as i pop but comes back. and I having some discomfort and little pain around my ear...My hearing is all right by the way