ArticleDental press journal of orthodontics2025
Changes in subgingival microflora in patients with fixed orthodontic appliances.
Article in Dental press journal of orthodontics, 2025. 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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Abstract
introductionFixed orthodontic therapy is often accompanied by accumulation of plaque around the orthodontic brackets, which increases the number of periodontopathogenic bacteria.
objectiveThe objective of this study was to determine the changes in the subgingival microflora that occurred six months after the placement of a fixed orthodontic appliance.
methodsThe study included 30 patients aged 13 to 35 years, in whom samples of subgingival plaque were taken before and six months after the start of fixed orthodontic therapy from the disto-buccal subgingival space of the left upper (U1) and lower central incisors (L1), mesio-buccal subgingival space of left upper (U6) and lower (L6) first molars. Material samples were tested for the presence of the following bacteria: Tannarela forsythia, Treponema denticola, Porphyromonas gingivalis, Aggregatibacter actinomycetemcomitans, Prevotella intermedia, Prevotella nigrescens and Eikenella corrodens, using the PCR method.
resultsA significant increase of patients with presence of bacteria especially in the molar region was found: Tannarela forsythia (U6 T1 10%-T2 80%, L6 T1 16.67%-T2 80%), Porphyromonas gingivalis (U6 T1 60%-T2 90%, L6 T1 60%-T2 83.33%), Prevotella intermedia (U6 T1 23.33%-T2 73.33%, L6 T1 26.67%-T2 76.67%), Prevotella nigrescens (U6 T1 16.67%-T2 63.33%, L6 T1 23.33%-T2 73.33%) and Eikenella corrodens (U6 T1 26.67%-T2 63.33%, L6 T1 23.33%-T2 73.33%) six months after the placement of the fixed orthodontic appliance.
conclusionIn the initial phase of fixed orthodontic therapy, an increase in the number of patients with periodontopathogenic bacteria Tannarela forsythia, Treponema denticola, Porphyromonas gingivalis, Prevotella intermedia, Prevotella nigrescens and Eikenella corrodens was observed.
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