Antioxidant profile of whole saliva after scaling and root planing in periodontal disease

  • Kim, Sang-Chul (Department of Periodontology, Chonnam National University School of Dentistry) ;
  • Kim, Ok-Su (Department of Periodontology, Chonnam National University School of Dentistry) ;
  • Kim, Ok-Joon (Dental Research Institute, Chonnam National University School of Dentistry) ;
  • Kim, Young-Joon (Department of Periodontology, Chonnam National University School of Dentistry) ;
  • Chung, Hyun-Ju (Department of Periodontology, Chonnam National University School of Dentistry)
  • Received : 2010.04.27
  • Accepted : 2010.07.01
  • Published : 2010.08.31


Purpose: This study compared the total antioxidant status (TAS) and superoxide dismutase (SOD) activity in the saliva of periodontally compromised patients before and after scaling and root planing (SRP) to assess their diagnostic utility. Methods: Severe chronic periodontitis patient (test group) and subjects with no attachment loss, sites showing a 3 mm or more probing depth and a sulcus bleeding index < 10% (control group) were enrolled in this study. Saliva sampling and clinical examination were performed at one week, one month and 3 months after SRP. The TAS and SOD activity in each patient's saliva was measured for the comparative analysis between the groups. Results: In the test group, the TAS decreased directly after SRP. With time, it increased slightly and was relatively unchanged compared to the baseline. In the control group, the TAS also decreased immediately after SRP but increased gradually with time until 3 months. The SOD activity in the test and control subjects decreased immediately after SRP until 1 month. At 3 months, the SOD activity had increased. Both groups had a similar profile of SOD activity. However, the SOD activity of the control group was significantly higher than that of the test group at each point in time (P < 0.05). Conclusions: There was a significant difference in the total salivary antioxidant level between the periodontitis and healthy or gingivitis (control) group during the experiment period. The total antioxidant level in the saliva was higher in the patients with severe chronic periodontitis than the healthy or gingivitis control before SRP. The SOD activity of the periodontitis patients was lower than the control at each time point. These findings conclusively reveal the possible use of saliva as a diagnostic tool for periodontal health.


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