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Evaluation of Properties of Mineral Trioxide Aggregate With Methyl Cellulose as Liquid

Evaluation of Properties of Mineral Trioxide Aggregate With Methyl Cellulose as Liquid

Omid Dianat, Mandana Naseri, Seyedeh Farnaz Tabatabaei

J Dent (Tehran). 2017 Jan;14(1):7-12.

PMID: 28828012

Abstract:

Objectives:
Mineral trioxide aggregate (MTA) is extensively used in endodontics. However, MTA is difficult to handle because of its granular consistency, low mechanical properties and initial looseness. The objective of this study was to assess the compressive strength (CS), diametral tensile strength (DTS), and pH of set MTA using methyl cellulose as liquid.
Materials and methods:
White ProRoot MTA was used as the control group; modified MTA cement was prepared by mixing Portland cement, bismuth oxide and calcium sulfate (75%, 20% and 5%, respectively) as the experiment group. Methyl cellulose was used as hydrating liquid and compared with distilled water. The data were analyzed by two-way ANOVA.
Results:
The pH values of modified MTA cement set using deionized water and methyl cellulose were slightly, but not significantly, different (P>0.05). The DTS and CS tests for modified MTA cement hydrated with methyl cellulose showed a significant difference at one day and one week (P<0.05).
Conclusions:
The results suggest that using methyl cellulose as the hydrating liquid enhances some mechanical properties but does not compromise pH of white ProRoot MTA.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP9004675	Methyl cellulose		9004-67-5	Price

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