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the claim

Removal of supragingival calculus affects subgingival deposits.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Evidence from clinical studies demonstrates that interventions targeting supragingival deposits (such as plaque control and scaling) significantly affect subgingival microbial profiles and reduce subgingival bacterial counts.

The analysis

The retrieved papers consistently show that supragingival plaque control and scaling lead to significant reductions in subgingival bacterial counts and changes in the subgingival microbiota, supporting the claim that treatment of supragingival deposits affects subgingival deposits.

Evidence for · 3
Recorded source metadata

Gunnar Dahlén, Jan Lindhe, Kenjiro Sato, Hiroyuki Hanamura, Hiroshi Okamoto. The effect of supragingival plaque control on the subgingival microbiota in subjects with periodontal disease. 1992. https://doi.org/10.1111/j.1600-051x.1992.tb02174.x

Avanzi et al. (1992) demonstrated that carefully performed supragingival plaque control reduced the quantity and changed the composition of the subgingival microbiota in both deep and shallow pockets.

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More for · 2
Recorded source metadata

Laurie Ann Ximénez‐Fyvie, Anne D. Haffajee, Sovanda Som, Maureen Thompson, Gay Torresyap, Sigmund S. Socransky. The effect of repeated professional supragingival plaque removal on the composition of the supra‐ and subgingival microbiota. 2000. https://doi.org/10.1034/j.1600-051x.2000.027009637.x

Ximénez-Fyvie et al. (2000) found that professional supragingival plaque removal significantly decreased mean counts of both supra- and subgingival bacterial species.

Recorded source metadata

Sabrina C. Gomes, Claudia Nonnenmacher, Cristiano Susin, Rui V. Oppermann, Reinier Mutters, Rosemary A.C. Marcantonio. The Effect of a Supragingival Plaque‐Control Regimen on the Subgingival Microbiota in Smokers and Never‐Smokers: Evaluation by Real‐Time Polymerase Chain Reaction. 2008. https://doi.org/10.1902/jop.2008.070558

Heasman et al. (2008) showed that strict supragingival plaque control and debridement resulted in a significant reduction in subgingival total bacteria counts over time.

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first checked02 Aug 2026
judged → SUPPORTED · 8802 Aug 2026
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