Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Gum (Periodontal) Disease ?
    ### Response:
    The dentist will ask about your medical history to identify any conditions or risk factors such as smoking that may contribute to gum disease. The dentist or hygienist will also - examine your gums and note any signs of inflammation.   - use a tiny ruler called a 'probe' to check for and measure any periodontal pockets.
    