Physico-chemical properties of MTA and a novel experimental cement

Aim  To evaluate the release of calcium ions, pH and conductivity of a new experimental dental cement (EC) and to compare them with those of mineral trioxide aggregate (MTA‐Angelus). Methodology  Five samples of each cement were prepared using plastic tubes 1 mm in diameter and 10 mm long. Each samp...

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Bibliographic Details
Published in:International endodontic journal 2005-07, Vol.38 (7), p.443-447
Main Authors: Santos, A. D., Moraes, J. C. S., Araújo, E. B., Yukimitu, K., Valério Filho, W. V.
Format: Article
Language:English
Subjects:
Aluminum Compounds - chemistry
Analysis of Variance
Calcium - analysis
Calcium Compounds - chemistry
Dental Cements - chemistry
Dentistry
Drug Combinations
Electric Conductivity
electrical conductivity
Hydrogen-Ion Concentration
Ions
Materials Testing
mineral trioxide aggregate
Oxides - chemistry
Portland cement
release of ions
Root Canal Filling Materials - chemistry
Silicates - chemistry
Spectrophotometry, Atomic
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Summary:Aim  To evaluate the release of calcium ions, pH and conductivity of a new experimental dental cement (EC) and to compare them with those of mineral trioxide aggregate (MTA‐Angelus). Methodology  Five samples of each cement were prepared using plastic tubes 1 mm in diameter and 10 mm long. Each sample was sealed in a test tube containing 10 mL deionized water which was analysed after 24, 48, 72, 96, 192, 240 and 360 h for pH, electrical conductivity and calcium release. The concentration of calcium ions was obtained through atomic absorption spectroscopy technique. The data were analysed statistically using the analysis of variance (anova) and the Student's test (t‐test). Results  The pH of the storage solutions was not affected by the material and the interaction of material with time (P > 0.05). However, the time of immersion was significant (P 
ISSN:0143-2885
1365-2591
DOI:10.1111/j.1365-2591.2005.00963.x