Molecular Analysis of Intracanal Microbes After Chemomechanical Procedure and Root Canal Medication: A Randomized Controlled Trial

Overview

This study aimed to evaluate clinically the intracanal microbes at molecular level after using established root canal medicament Calcium hydroxide and potential root canal medicament Glycyrrhizin.and Decontamination Analysis of Controls samples.

Bacteria and their by-products are the main etiologic factors for pulpal and periapical diseases. The goals of endodontic treatment are to achieve complete disinfection and prevent reinfection in the root canal system and periapical tissues. Sterilization of root canals is limited by the presently available techniques, instruments, irrigants and intracanal medication. Thus, the focus should be on reducing intracanal bacterial populations to levels that are compatible with periapical tissue healing.Because root canal medicaments can come in contact with periapical tissue, in addition to having good antibacterial ability, they must also be biocompatible. In selecting root canal medicaments, it is necessary to consider their therapeutic benefits against their potential cytotoxic effects. Ideal root canal medicaments should have strong antibacterial properties and minimal cytotoxic effect on the host tissues.Globally, plants and their products are used for improving health. Plant extracts contain bioactive compounds like polyphenols, flavonoids, and many other compounds and chemical substances which play important roles to treat diseases. Due to health benefits, phytochemicals from plants generate a lot of interest, demanding further scientific evaluation.Glycyrrhiza which is known as licorice belonging to the Fabaceae, is native to southern Europe and parts of Asia . Glycyrrhizin has been labelled Generally Recognized as Safe (GRAS) by United States Food and Drug Administration (FDA) and has been considered safe for human consumption.Licorice roots have been used as a remedy for cough, laxative, menopausal hot flashes, peptic ulcer, and viral diseases . Licorice contains more than 20 triterpenoids and nearly 300 flavonoids. Among them, glycyrrhizin, 18 β-glycyrrhetinic acid, liquiritigenin, licochalcone A, licochalcone E and glabridin are the main active components which possess antimicrobial, antioxidant and anti-inflammatory activities.Evaluation of intra canal Bacterial levels and species before and after Chemomechanical procedures have been extensively explored by both culture (phenotype) and molecular techniques (genotype) . The latter became choice methods to assess persistent endodontic bacteria because of their high sensitivity and the ability to detect as-yet-uncultivated/difficult-to-culture bacteria.

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Outcomes