?:definition
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Chronic separation of the periodontal tissue from the root by 5 millimeters or more of clinical attachment loss in less than 30% of sites as measured from the cementoenamel junction to the base of the probable pocket (gingival sulcus).
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Chronic separation of the periodontal tissue from the root by 5 millimetres or more of clinical attachment loss in less than 30% of sites as measured from the cementoenamel junction to the base of the probable pocket (gingival sulcus).
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