Note: Pseudo pockets are pockets of 4mm and more without attachment loss. In this case, again, both values for gingival margin 1 and probing depth 2 are identical.Īttachment Level 0mm = Probing depth 5mm – Gingival Margin 5mm This occurs in cases of gingival overgrowth or gingival hyperplasia. In some cases, the cemento-enamel junction may be located far below the gingival margin, however still immediately above the attachment level. In the figure above, the alveolar bone (attachment) level can be calculated based on the following formula:Īlveolar Bone (Attachment) Level 2mm = Probing Depth 3mm – Mucosal Margin 1mm There is no alveolar bone loss at healthy periimplant sites. In the figure above, the attachment level can be calculated based on the following formula:Īttachment Level 0mm = Probing Depth 2mm – Gingival Margin 2mmĪt healthy periimplant sites, the margin of the suprastructure is located somewhat below the margin of the periimplant mucosa. In this case, both values for gingival margin 1 and probing depth 2 are identical. There is no attachment loss at sites with a healthy periodontium. In a healthy periodontium, the cemento-enamel junction is located below the gingival margin and immediately above the attachment level. Probing Depth (mm) – Gingival Margin (mm) = Attachment Level (mm)
The "Attachment Level" for each site will be calculated based on the following formula: The "Probing Depth" as the second value is the distance between the gingival margin and the bottom of the gingival sulcus or the periodontal pocket, respectively. Crown margins and the margins of restoration should be chosen as a reference provided they are at least 3mm apical to the cemento-enamel junction (CEJ), otherwise, a virtual reference line should be chosen at the location of the original cemento-enamel junction. The "Gingival Margin" as the first value is the distance from the clinical gingival margin to any given reference such as, in most cases, the cemento-enamel junction. The value of "Attachment Level" will be calculated by the online pariodontal charting tool and displayed with a blue line in the diagram. Gingival margin, probing depth, and attachment levelĪt every site, the value for "Gingival Margin" will be determined first followed by the measurement of the periodontal "Probing Depth".
For all the measurements it appears to be reasonable to round up all the readings measured with the periodontal probe.ġ. The goal of clinical periodontal charting is to record gingival recessions, probing depths, and attachments levels at six sites per tooth or implant in mm. Calibration of clinical periodontal charting
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