Non-Cochrane · intervention · PM42652655

Changes in Serum C-Reactive Protein Following Nonsurgical Periodontal Therapy: A Systematic Review and Meta-Analysis.

Montoya-Carralero José María, Ávila-Villasmil Rebeca, Romo-García María Fernanda, et al. · Journal of clinical medicine · 2026 · PubMed · doi:10.3390/jcm15166251

Findings

6 findings

Population
Adults (>18 years) with periodontitisNonsurgical periodontal therapy (scaling and root planing / periodontal debridement)Baseline (pretreatment values in the same participants; no control group)Serum C-reactive protein (mg/L), mean reduction from baseline
8 weeks to 12 months follow-up · Clinical studies (one cohort of maintenance hemodialysis patients; one of stable coronary artery disease; others systemically healthy) · Sensitivity analysis: assumed pre-post correlation r = 0.75
MD 1.11 [0.2, 2.01]
GRADE not reported
3 studies · 119 participants
Adults (>18 years) with periodontitisNonsurgical periodontal therapy (scaling and root planing / periodontal debridement)Baseline (pretreatment values in the same participants; no control group)Serum C-reactive protein (mg/L), mean reduction from baseline
8 weeks to 12 months follow-up · Clinical studies (one cohort of maintenance hemodialysis patients; one of stable coronary artery disease; others systemically healthy) · Sensitivity analysis: assumed pre-post correlation r = 0.25
MD 1.11 [0.22, 2.01]
GRADE not reported
3 studies · 119 participants
Adults with periodontitisNonsurgical periodontal therapyPretreatment baseline (within-participant)Serum C-reactive protein (mg/L), mean reduction
8 weeks to 12 months follow-up
Unresolved: the two extractors disagree on this row.
MD 1.11 [0.21, 2.01]
Very low
Downgraded: imprecision, inconsistency
3 studies · 119 participants
Adults (>18 years) with periodontitisNonsurgical periodontal therapyDelayed periodontal treatment control (supragingival prophylaxis and oral hygiene instruction)Serum C-reactive protein (mg/L), mean reduction from baseline
3 months · Clinical studies (one cohort of maintenance hemodialysis patients; one of stable coronary artery disease; others systemically healthy) · Primary analysis (assumed pre-post correlation r = 0.50)
MD 2.95 [-0.5, 6.4]
Moderate
Downgraded: imprecision
1 study · 82 participants
Adults (>18 years) with periodontitisNonsurgical periodontal therapyDelayed periodontal treatment control (supragingival prophylaxis and oral hygiene instruction)Serum C-reactive protein (mg/L), mean reduction from baseline
3 months · Clinical studies (one cohort of maintenance hemodialysis patients; one of stable coronary artery disease; others systemically healthy) · Sensitivity analysis: assumed pre-post correlation r = 0.25
MD 2.95 [-1.05, 6.95]
GRADE not reported
1 study · 82 participants
Adults (>18 years) with periodontitisNonsurgical periodontal therapyDelayed periodontal treatment control (supragingival prophylaxis and oral hygiene instruction)Serum C-reactive protein (mg/L), mean reduction from baseline
3 months · Clinical studies (one cohort of maintenance hemodialysis patients; one of stable coronary artery disease; others systemically healthy) · Sensitivity analysis: assumed pre-post correlation r = 0.75
MD 2.95 [0.16, 5.74]
GRADE not reported
1 study · 82 participants

Included primary studies 5

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Montenegro 2019
Randomized controlled trial of the effect of periodontal treatment on cardiovascular risk biomarkers in patients with stable coronary…
PMID:30761568
20191 other reviewSerum C-reactive protein (mg/L), mean reduction from baselinenot extracted yet
Isola 2024
Effects of minimally invasive non-surgical therapy on C-reactive protein, lipoprotein-associated phospholipase A2, and clinical outcomes…
PMID:38696664
2024this review onlynot statednot extracted yet
Kiany Yazdi 2013
Effect of nonsurgical periodontal treatment on C-reactive protein levels in maintenance hemodialysis patients.
PMID:23534529
2013this review onlySerum C-reactive protein (mg/L), mean reductionnot extracted yet
Patil 2013
Effect of periodontal therapy on serum C-reactive protein levels in patients with gingivitis and chronic periodontitis: a…
PMID:23811651
2013this review onlySerum C-reactive protein (mg/L), mean reductionnot extracted yet
Zekonis 2016
Effect of Supragingival Irrigation with Aerosolized 0.5% Hydrogen Peroxide on Clinical Periodontal Parameters, Markers of Systemic…
PMID:27743448
2016this review onlySerum C-reactive protein (mg/L), mean reductionnot extracted yet

Overlap with other reviews

Reviews that include the same primary studies are not independent evidence. Shared counts match studies by PMID, DOI or NCT, and otherwise by author and year (a probable match). Only the non-Cochrane dental reviews have study lists, so overlap with Cochrane reviews is not counted yet.

Review question

ElementPlanned (methods)Found (results)
PopulationAdults older than 18 years with clinical diagnosis of periodontitis (chronic or severe)Adults with periodontitis (n=119 in pooled analysis; hemodialysis, stable coronary artery disease and systemically healthy cohorts)
InterventionNonsurgical periodontal treatment (scaling and root planing, debridement, full-mouth debridement)Nonsurgical periodontal therapy, including minimally invasive nonsurgical therapy (5 studies)
ComparisonPretreatment vs posttreatment in the same patients; treated vs control groups when design allowedBaseline pre-post (3 studies); delayed treatment control (1 trial, n=82); active comparator (1 trial, narrative)
OutcomesChange in serum CRP after periodontal treatmentSerum CRP mg/L (within-participant reduction; controlled difference in change)
Study designsRandomized and nonrandomized clinical studies published in the last 15 years in English or Spanish3 uncontrolled pre-post studies; 2 randomized trials (5 included)
TimingNot specifiedFollow-up 8 weeks to 12 months

AMSTAR 2 items

Two independent extractors rated each item. Their ratings are shown side by side because they have not been reconciled yet. The overall rating follows Shea et al. 2017: one critical flaw gives Low, more than one gives Critically Low.

ItemExtractor AExtractor BAgree
1Research question includes PICO componentsYesYesyes
2Protocol established before the reviewcriticalNoNoyes
3Choice of study designs explainedNoNoyes
4Comprehensive literature searchcriticalNoNoyes
5Study selection in duplicateYesYesyes
6Data extraction in duplicateNoNoyes
7List of excluded studies with reasonscriticalNoNoyes
8Included studies described in detailPartial YesPartial Yesyes
9Risk of bias assessed satisfactorilycriticalRCT: Yes · NRSI: YesRCT: Yes · NRSI: Yesyes
10Funding of included studies reportedNoNoyes
11Appropriate meta-analysis methodscriticalRCT: N/A · NRSI: YesRCT: N/A · NRSI: Yesyes
12Impact of risk of bias on the pooled resultsNoNoyes
13Risk of bias accounted for in interpretationcriticalYesYesyes
14Heterogeneity explainedYesYesyes
15Publication bias investigatedcriticalNoNoyes
16Conflicts of interest reportedYesYesyes
OverallCritically LowCritically Lowyes