ArticleJournal of oral microbiology2026
PBM's effects on plaque microbiome for periodontal-orthodontic patients during retention.
Article in Journal of oral microbiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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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.
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Authors and funding
6 authors.
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Abstract
Objectives: This pilot study aimed to determine whether adjunctive photobiomodulation (PBM) alters dental plaque microbiota and clinical parameters in periodontitis patients during orthodontic retention. Methods: Six stage IV, grade C periodontitis patients entering orthodontic retention were enrolled in this split-mouth study. One arch side received monthly PBM therapy (GaAlAs diode laser) for six months; the contralateral side received sham irradiation. Periodontal examinations were performed. Supragingival and subgingival plaque samples were evaluated at appliance removal (T Results: No significant differences were observed in periodontal clinical parameters between PBM and placebo sites at any time point ( Conclusion: Adjunctive PBM did not significantly alter overall plaque microbial community structure or clinical periodontal parameters. However, a few periodontitis-associated genera showed nominal, exploratory differences. These hypothesis-generating signals warrant confirmation in adequately powered trials.
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