Periodontitis, or Pyorrhea, is a disease involving inflammation of the gums (gingiva), often persisting unnoticed for years or decades in a patient, that results in loss of bone around teeth. This differs from gingivitis, where there is inflammation of the gingiva but without bone loss; it is the loss of bone around the teeth that differentiates between these two oral inflammatory diseases. Aetiology Plaque bacteria and bacterial toxins that accumulate below the gum-line may cause inflam ...
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... The best way to prevent periodontal disease is a program of good dental hygiene, one that you begin early and practice consistently throughout life. That means brushing your teeth at least twice daily...
Source: MayoClinic