The aim of this review article is detailed analyzation of the effect of sodium hypochlorite on the structural components of dentin. This compound is one of the strongest antimicrobial medicines for root canal treatment. However, sodium hypochlorite in certain concentrations has a detrimental effect on dentin, which leads to the loss of its physicochemical properties.Materials and methods. The study of publications was produced in the electronic databases such as Google Scholar, PubMed and ScienceDirect in the course of a systematic review of the literature. Included articles contain information about the on the effect of sodium hypochlorite on the structural components of dentin and the harmful effects of medicines for root canal treatment on organic elements.Results. 67 articles were viewed during the rview. After analyzing the literature for inclusion criteria, the total number of publications has become 43.Conclusions. According to the literature, it can be assumed that an increase in sodium hypochlorite concentration and its exposure time can lead to depletion of dentin organic matrix, which in turn, is responsible for the root fracture.
Aim. To analyze current data on the bactericidal efficacy of endodontic irrigants, in particular, sodium hypochlorite and chlorhexidine in different concentrations relative to the elimination of resistant microorganisms (E. Faecalis, C. Albicans). Irrigation is an important stage in the treatment of root canals, it prevents the further contamination of the canals with microorganisms. However, irrigants do not always cope with this function, which leads to the occurrence of a secondary infection.Materials and methods. The study of publications was produced in the electronic databases such as Google Scholar, PubMed and ScienceDirect in the course of a systematic review of the literature. Included articles contain information about various types of irrigants and their antimicrobial effect.Results. 73 articles were viewed during the review. After analyzing the literature for inclusion criteria, the total number of publications has become 41.Conclusions. According to literature data, irrigation solutions in widely used by clinicians concentrations (sodium hypochlorite 3%, chlorhexidine 2%) are not able to completely eliminate E. faecalis and C. albicans from the root canal system.
Федеральное государственное автономное образовательное учреждение высшего образования «Российский университет дружбы народов», Москва, Россия Резюме Цель. Определение эффективности ортодонтического аппарата Carriere Motion 3D при лечении нарушений прикуса второго и третьего класса. Действие устройства построено на дистализации бокового сегмента зубного ряда от клыка до первого моляра как единое целое с сохранением изолированного микродвижения ключевых зубов. Материалы и методы. В ходе систематического обзора литературы проведен анализ публикаций в в электронных базах данных Google Scholar и PubMed. Включены публикации, в основной части которых имелись описание методики работы с Carriere Motion 3D, клинические случаи с использованием представленного дисталайзера, рассмотрение целевых и нежелательных эффектов аппарата. Результаты. В ходе обзора было рассмотрено 43 статьи. После анализа литературы по критериям включения, итоговое количество составило 33 публикаций. Выводы. Carriere Motion 3D является достаточно эффективным для коррекции неправильных молярных взаимоотношений при наличии неправильного прикуса второго и третьего класса, но его нельзя назвать единственно верным путем разрешения малокклюзий.
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