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KMID : 0353319930170020325
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Oral Biology Research
1993 Volume.17 No. 2 p.325 ~ p.337
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Relationship between Probing Pocket Depth and Trypsin-like activity in Subgingival Plaque
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Park Jae-Han
Han Kyung-Yoon
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Abstract
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In order to determine the relationship between probing pocket depth and trypsin-like activity in subgingival plaque, probing pocket depth and loss of attachment were measured by Michigan-O probe on mandibular incisors of 30 patients with adult
periodontitis. And the trypsin-like activity of Treponema denticola, Porphyromonas gingivalis, and Bacteroides forsythus was evaluated by the hydrolysis of N-Benzoyl-DL-Arginine-2-Naphthylamide (BANA) using PerioScan reagent cards(Oral-B Laboratories, Redwood City, CA).The obtained data were statistically analyzed by Microstat program.
@ES The results were as follows: @EN 1. The number of teeth showing negative trypsin-like activity was more in shallow periodontal pocket group, but the number of teeth showing positive trypsin-like activity was more in deep periodontal pocket groups. 2. There was a significant positive correlation between probing pocket depth and trypsin-like activity in subgingival plaque(y=0.413X - 0.955, r = 0.7024, p<0.001). 3. There was no consistent relationship between loss of attachment and trypsin-like activity in subgingival plaque(p>0.01).
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