Experimental testing of tannic acid target delivery system for correcting periodontal microcirculation

Experimental testing of tannic acid target delivery system for correcting periodontal microcirculation

Автор: Angelina A. Savkina, Ekaterina V. Lengert, Aleksey V. Ermakov, Era B. Popykhova, Tatiana V. Stepanova, Aleksey N. Ivanov

Журнал: Saratov Medical Journal @sarmj

Статья в выпуске: 1 Vol.3, 2022 года.

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Objective: to study the effect of the targeted delivery system of tannic acid (TA) in silver alginate microcapsules on the state of gum microvasculature in rats with intact periodontium vs. experimental periodontitis. Materials and Methods. The study was conducted on 90 white rats, distributed among six groups: the control group, two groups with intact periodontium and single application of gel with microcapsules loaded/not loaded with TA, experimental periodontitis group, and two groups of animals with periodontitis and repeated application of gel with microcapsules loaded/not loaded with TA. We assessed gingival perfusion and blood flow modulation mechanisms in rats via laser Doppler flowmetry. Results. Applying gel with silver microcapsules to an intact gum in rats caused 7.5% transient increase in perfusion and activation of microcirculation modulation. Loading microcapsules with TA reduced the severity of transient microcirculatory changes. Using gel with TA-loaded capsules in rats with periodontitis allowed achieving a more pronounced normalization of perfusion and mechanisms of microcirculation modulation vs. using gel containing microcapsules without active components. Conclusion. Loading alginate microcapsules with silver ions and TA yielded reduction of the irritating effect on gingival mucosa accompanied by an increase in the effectiveness of correcting microcirculatory disorders in periodontitis.

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Periodontitis, microcirculation, tannic acid

Короткий адрес: https://sciup.org/149139020

IDR: 149139020   |   DOI: 10.15275/sarmj.2022.0103

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