My mom is suffering from gums  infection because of which she is unable to eat anything from last 8 months. She has kind of mouth ulcers in her whole mouth maybe gingivitis n doctors are unable to cure it. She is diabetic n bp problem. Who is the best dental doctor to whom we can consult or maybe gum specialist as till now no one is able to treat her problem n some have given steroids to give her relief which is a temporary treatment. Plz help me to find a good doctor for such problem.