ArticleEuropean journal of orthodontics2025
Release of monomers in patient saliva following bonding of orthodontic brackets.
Article in European 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
introductionThis study aimed to investigate whether orthodontic treatment with fixed appliances increased concentration of various monomers in patients' saliva.
methodsThe study included 30 patients aged 10-18. Saliva samples were collected at three time points: before the start of active treatment, immediately after the bonding of orthodontic brackets and during the first follow-up visit between 4 and 6 weeks after bonding. Gas chromatography/mass spectrometry (GC/MS) and liquid chromatography/mass spectrometry (LC/MS) were employed to analyse the samples.
resultsMeasurable levels of poly-EGDMA, HEMA, and BMAEPH were detected in saliva samples collected immediately after bracket bonding. Concentrations varied among patients. However, these substances were not quantifiable in saliva 4-6 weeks after bracket placement.
conclusionsThe bonding of orthodontic brackets is associated with a transient increase in the concentration of bonding material constituents in saliva immediately after placement. The findings suggest that, using the current analytical methods, this release is temporary.
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