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Quintessence Int 42 (2011), No. 9     17. Aug. 2011
Quintessence Int 42 (2011), No. 9  (17.08.2011)

Online Article, Page 805, PubMed:21909493


Online Article: Microbiologic findings 1 year after partial- and full-mouth scaling in the treatment of moderate chronic periodontitis
Knöfler, Gerhild U. / Purschwitz, Regina E. / Eick, Sigrun / Pfister, Wolfgang / Roedel, Mirjam / Jentsch, Holger F. R.
Objective: To investigate the impact on microbiologic variables of full-mouth scaling (FMS) and conventional scaling and root planing (cSRP) after 12 months.
Method and Materials: In a prospective randomized controlled clinical study, 37 volunteers with moderate chronic periodontitis were treated by FMS or by cSRP in two sessions at 4-week intervals. Clinical attachment level, probing depth, and bleeding on probing were recorded at baseline as well as at 6 and 12 months. Four subgingival plaque samples were taken from the deepest sites in premolars and molars at baseline and after 12 months. Pooled sample analysis was performed using real-time polymerase chain reaction for the identification of Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Tannerella forsythia, and Treponema denticola.
Results: At baseline, the bacterial load of A actinomycetemcomitans was significantly higher in the cSRP group compared to the FMS group (P = .042). In the cSRP group, this load decreased significantly (P = .011), leading to similar quantities of A actinomycetemcomitans in both groups. Further, significant reductions in frequency were found in the FMS group for T forsythia and P gingivalis and in the cSRP group for A actinomycetemcomitans and T denticola.
Conclusion: The data suggest that both therapy modalities lead to similar effects on target periodontal pathogen species. FMS compared to cSRP was not favorable in reduction of periodontopathogens.

Keywords: microbiologic analysis, nonsurgical therapy, periodontal disease, randomized clinical trial