question: I am suffering from mouth problem from last 3 month  when i quite chewing tabaco habit and afterwords firstly tingling sensation and bitter taste in mouth now a days ulcer in my mouth from last 2 weeks and went to dentist but he said everything is normal but my problem is increasing day by day , i am using now a days zyyte but no problem solved , tell me wt to do nd i am a smoker also  but i am trying to quite