 [ Symptoms ] i am 76 and my husband is 73 we have medicare and a supplementary aetna through my former employer will we be able to keep this same health insurance [ Disease ] the most common form of gingivitis known as plaque induced gingivitis develops due to plaque adhering to tooth surfaces this is also the most common form of periodontal disease in the absence of treatment gingivitis may progress to periodontitis which is a destructive form of periodontal disease bleeding comes from inflammation if you are bleeding every time you brush you need to see your dentist immediately