ArticleJournal of orofacial orthopedics = Fortschritte der Kieferorthopadie : Organ/official journal Deutsche Gesellschaft fur Kieferorthopadie2021
Impact of household vinegar on calculus removal and mechanical properties of orthodontic resin.
Article in Journal of orofacial orthopedics = Fortschritte der Kieferorthopadie : Organ/official journal Deutsche Gesellschaft fur Kieferorthopadie, 2021. 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
purposeThis study evaluated calculus removal efficacy of household vinegar and its effect on autopolymerizing orthodontic resin following repeated immersion.
methodsA total of 72 sectioned specimens of orthodontic retainers with calculus deposits following cleaning with the help of immersion in vinegar of different dilutions between 12.5% and 100%, tap water, effervescent tablets, and mechanical debridement were digitally analyzed. Changes in Ca and Fe ions in vinegar were assessed by atomic emission spectroscopy (AES). For mechanical testing, autopolymerizing polymethyl methacrylate (PMMA) samples were similarly grouped and immersed for 78 cycles and their flexural strength and hardness measured. Fourier-transform infrared spectroscopy (FTIR) was performed to evaluate changes in their chemical composition. One-way analysis of variance (ANOVA) and Tukey's test were used to analyze the differences in the mean flexural strength and hardness between the groups (p ≤ 0.05).
resultsA minimum immersion of 2 h in 25% vinegar solution combined with brushing attained efficiency of 74.13 ± 22% calculus removal. Whereas, tap water and effervescent tablets had 15% and 49% efficiency, respectively. AES results showed diffusion of Ca ions from calculus into the vinegar solution as a plausible mechanism for its structural weakening and removal. Results of mechanical testing showed that undiluted vinegar solution affected the flexural strength of PMMA and this effect was significantly different from that of the effervescent tablets and the remaining vinegar concentrations. There was no significant difference in hardness between the groups. The FTIR showed no changes in the chemical composition of PMMA samples following repeated immersions.
conclusionVinegar can be useful in the removal of calculus from dental appliances but should be used in diluted forms to minimize side effects.
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