That is a progressive inflammatory disease of the gingival and the surrounding tissue which is a cause for bone resorption and tooth decay. Periodontal disease is the primary cause of tooth loss after the age of 30 and it is believed that around 80% of the population above the age of 30 may suffer from this disease, with varying degrees of severity.
The most common form of periodontal disease is gingivitis which is the first stage of periodontitis, the mild inflammation of the gingival caused by plaque, your gingival will be red swollen and tender, bleeding when you brush teeth. When periodontal disease is severed, symptoms like pockets around teeth, bone loss and increased teeth mobility will be noticed. Your teeth might loosen or fall out.