This section contains definitions of various terms used in the manual and Help file to help clarify information.
PSR = Periodontal Screening & Recording
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A quick way to evaluate the overall periodontal health of a patient.
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Mouth is divided into sextants and a value from 0-4 is given in each area depending on a sampling of a few probing depths in that sextant
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0=health; 4=severe perio disease (i.e., pocket depth > 5.5 mm)
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MGD = Muco Gingival Defect
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A localized loss of the pink gingival tissue around a tooth
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The pink gingival tissue is attached to bone whereas the red mucosal tissue is not. A tooth is not periodontally sound unless there is a good band of pink gingival tissue around the tooth.
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An MGD cannot occur on the palate (all gingival tissue – no mucosal)
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GM = Gingival Margin
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A measurement of recession of the gingival tissues from a point on the tooth which would be considered normal
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This measurement is not used much.
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