Repeated scaling versus surgery in young adults with generalized advanced periodontitis.
BACKGROUND: Residual probing depth (PD) after subgingival scaling can be treated with repeated scaling or periodontal surgery. Ambiguous results about the additional clinical benefit of a second scaling procedure exist. Therefore, we performed a prospective study comparing the clinical results of repeated subgingival scaling versus periodontal surgery in 30- to 40-year-old subjects with generalized advanced periodontitis. METHODS: Twenty-six subjects (mean age, 37 +/- 3 years) were treated after an initial examination (t(1)), initial subgingival scaling, and baseline examination (t(2)) with a randomly assigned second subgingival scaling (test) and periodontal surgery (control) in a split-mouth design. The final examination (t(3)) took place 6 months postoperatively. Intraindividual comparisons of mean PD and clinical attachment level (CAL) were analyzed. RESULTS: PD was reduced from 4.1 +/- 0.2 mm initially (t(1)) to 3.1 +/- 0.1 mm at baseline (t(2)), and to 2.9 +/- 0.1 mm at the end of the study (t(3)) for the test sites; and from 4.5 +/- 0.2 mm (t(1)) to 3.5 +/- 0.1 mm (t(2)), and 3.1 +/- 0.1 mm (t(3)) for the control sites. The total PD decrease from t(1) to t(3) was significant (P <0.001) for both therapies. PD reduction from t(2) to t(3) was only significant (P <0.001) for control sites, resulting in a significant (P = 0.010) difference between test and control at the final examination. CAL increased 0.2 +/- 0.1 mm (t(2)) plus 0.3 +/- 0.1 mm (t(3)) for the test sites and 0.2 +/- 0.1 mm (t(2)) plus 0.2 +/- 0.1 mm (t(3)) for the control sites. Total CAL gain was statistically significant for the test and control sites. CAL gain from t(2) to t(3) was only significant (P = 0.022) for the test sites. CONCLUSIONS: Both treatments reduced PD and increased CAL. A second subgingival scaling resulted in significant additional CAL gain and reduced the need for surgery.[1]References
- Repeated scaling versus surgery in young adults with generalized advanced periodontitis. König, J., Schwahn, C., Fanghänel, J., Plötz, J., Hoffmann, T., Kocher, T. J. Periodontol. (2008) [Pubmed]
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