Evidence map›Paper›PMID 40690003›Full record

Trial reportClinical oral investigations2025

Effect of chlorhexidine mouthwash on subgingival bacterial endotoxin activity and periodontal status during treatment with metal and non-metal fixed orthodontic appliance: a randomized controlled trial.

Matea Tomljanovic, Matea Badnjevic, Martina Zigante, Anbo Dong, Svetislav Zaric, Stjepan Spalj

Erratum issuedAbstract readRandomized Controlled Trial
PubMed Publisher
In one paragraph

Trial report in Clinical oral investigations, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors.

Matea TomljanovicFaculty of Dental Medicine, Department of Orthodontics, University of Rijeka, Kresimirova 40, Rijeka, Croatia. mtomljanovic12@uniri.hr.
Matea BadnjevicFaculty of Dental Medicine, Department of Orthodontics, University of Rijeka, Kresimirova 40, Rijeka, Croatia.
Martina ZiganteFaculty of Dental Medicine, Department of Orthodontics, University of Rijeka, Kresimirova 40, Rijeka, Croatia.
Anbo DongFaculty of Dentistry, Oral and Craniofacial Sciences, King's College London, Centre for Host-Microbiome Interactions, London, UK.
Svetislav ZaricFaculty of Dentistry, Oral and Craniofacial Sciences, King's College London, Centre for Host-Microbiome Interactions, London, UK.
Stjepan SpaljFaculty of Dental Medicine, Department of Orthodontics, University of Rijeka, Kresimirova 40, Rijeka, Croatia.

Funding

Academy of Medical Sciences SGL023/1035Hrvatska Zaklada za Znanost IP-2020- 02-4027
6 · The paper itself

Abstract

objectiveEndotoxin is a component of the outer membrane of gram-negative bacteria; it adheres to orthodontic brackets and contributes to inflammation of adjacent gingival tissues. This study investigated the effects of chlorhexidine (CHX) and appliance material on plaque control, gingivitis, and subgingival endotoxin activity during the initial phase of orthodontic treatment. MATERIALS AND

methodsSixty-eight participants aged 12-18 years (50% females) were recruited and randomized into groups based on appliance material (metal vs. nonmetal) and CHX use. The plaque and gingival indices, plaque pH, and subgingival endotoxin activity were assessed before appliance placement (T0) and two months after the commencement of orthodontic treatment (T1).

resultsThere were no significant differences in the changes in endotoxin activity, periodontal status, and plaque pH (ΔT1-T0) between the metal and nonmetal groups regardless of CHX usage. Gingivitis decreased in the nonmetal appliance group with standard oral hygiene (p = 0.033). Endotoxin activity at T1 was correlated with the extent of gingivitis (r = 0.459; p < 0.001) and plaque accumulation (r = 0.264; p = 0.035). Multiple regression analysis revealed that after controlling for the effects of sex, appliance material, and CHX, the predictors of gingivitis after 2 months of orthodontic treatment were increased endotoxin activity (p = 0.004), increased plaque index (p = 0.005), and older age (p = 0.043).

conclusionThe early impacts of metal and nonmetal orthodontic appliances on gingival inflammation and plaque accumulation are similar, with changes in the extent of gingivitis linked to endotoxin levels rather than appliance type or CHX use. CLINICAL RELEVANCE: Gingivitis during orthodontic treatment is mostly related to efficient plaque control and not to appliance material.

Indexed as

Anti-Infective Agents, LocalChlorhexidineEndotoxinsGingivitisMouthwashesOrthodontic AppliancesOrthodontic Appliances, FixedAdolescentChildDental PlaqueDental Plaque IndexFemaleHumansMalePeriodontal IndexAnti-Infective Agents, LocalChlorhexidineEndotoxinsMouthwashesDental plaqueEndotoxinFixed applianceMetalOrthodontics

Identifiers

What Socratic holds

Textmetadata
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.