Clinical Bone Loss = Increased probing depths the normal is 3 mm.
Radiographic Evidence of Bone Loss = No bone around the roots
No support= increased mobility to point that extraction is treatment of choice
In the mild-stages, periodontal diseases if not treated can lead to more bone and tissue destruction. In the advanced stages there has been excessive loss of bone to the point that the teeth are loose and may have to be removed. At this stage of the disease there can also be no pain. Remember when it hurts it's usually to late! Regular check-ups which include a complete gum pocket evaluation can help you never get to this stage of the disease.