Journal: Drug Invention Today

Article Id: JPRS-Pcol-00004520
Title: An in vitro application of mineral trioxide aggregate mixed with calcium hydroxide
Category: Pharmacology
Section: Research Article
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    Background: Mineral trioxide aggregate (MTA) is the most biocompatible material used in endodontics. It is made up of hydrophilic particles that set in the presence of moisture. MTA is used in root-end filling, direct pulp capping, and apexification. The surface hardness of MTA is not very high. To improve the hardness MTA, the possibility of mixing with calcium hydroxide (CH) is explored. Aim: The aim is to estimate the microhardness of MTA when mixed with CH as a root-end filling material. Materials and Methods: Thirty extracted, (n = 30) single-rooted human teeth which includes mandibular single-rooted premolars, maxillary incisors, and canines were selected in the study. The teeth were sectioned horizontally perpendicular to the long axis of the tooth into slices with a thickness of 1.0 mm. The sliced teeth were divided into two groups – one group was filled only with MTA (Group I) and another group was filled with mineral trioxide and CH (Group II). Hardness was measured using Vickers microhardness testing machine and expressed as Vickers pyramid number (HV). Results: Group I showed hardness of 54.7 ± 4.53 (HV) and Group II showed hardness of 55.2 ± 5.07 (HV). Group II showed higher hardness value than Group I, and the mean difference between Groups I and II is statistically significant (P < 0.05). Conclusion: Mixing CH with MTA can improve its properties. In the present study, it is seen that CH improves the hardness of MTA. In future, MTA and CH can be used in vivo studies, and better clinical results can be obtained.

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    Author(s) Name:

    M. A. Fazeelath Banu1 , Subhash Sharma2 , Dhanraj Ganapathy1 *

    Affiliation(s) Name:

    1 Department of  Prosthodontics, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India,

    2 Department of Conservative and Endodontics, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India,

    *Corresponding author: Dhanraj Ganapathy, Department of Prosthodontics, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, 162, Poonamallee High Road, Velappanchavadi, Chennai - 600 077, Tamil Nadu, India.

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    Author:

    M. A. Fazeelath Banu1 , Subhash Sharma2 , Dhanraj Ganapathy1 *

    Title:An in vitro application of mineral trioxide aggregate mixed with calcium hydroxide
    Journal:Drug Invention Today
    Vol(issue):11 (December [ Special Issue 2])
    Year:2019
    Page No: (44-48)
  • Experimental Methods Keywords

    Methodology:An in vitro application
    Research Materials:Calcium hydroxide,Mineral trioxide aggregate

Keywords

Calcium hydroxide Endodontics Mineral trioxide aggregate

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