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By Mayo Clinic staffDiagnosis of periodontitis is generally simple. Diagnosis is based on your description of symptoms and an exam of your mouth. Your dentist will look for plaque and tartar buildup and check for easy bleeding.
To check the health of your gum tissue, your dentist may use a metal probe to measure the depth of the gingival sulcus, the groove between your gums and your teeth. The probe is inserted beside your tooth beneath your gumline, usually at several sites throughout your mouth. The measurements can help determine how severe your periodontitis is.
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