Evaluation of pH and Calcium Ion Release of a Dual-cure Bisphenol A Ethoxylate Dimethacrylate/Mineral Trioxide Aggregate–based Root-end Filling Material

2013 ◽  
Vol 39 (12) ◽  
pp. 1603-1606 ◽  
Author(s):  
Giane da Silva Linhares ◽  
Maximiliano Sérgio Cenci ◽  
César Blaas Knabach ◽  
Camila Mizette Oliz ◽  
Mariana Antunes Vieira ◽  
...  
Keyword(s):  
Bisphenol A ◽  
Calcium Ion ◽  
Mineral Trioxide Aggregate ◽  
Filling Material ◽  
Ion Release

The Use of a Setting Accelerator and Its Effect on pH and Calcium Ion Release of Mineral Trioxide Aggregate and White Portland Cement

2006 ◽  
Vol 32 (12) ◽  
pp. 1194-1197 ◽  
Author(s):  
E ANTUNESBORTOLUZZI ◽  
N JUAREZBROON ◽  
M ANTONIOHUNGARODUARTE ◽  
A DEOLIVEIRADEMARCHI ◽  
C MONTEIROBRAMANTE
Keyword(s):  
Portland Cement ◽  
Calcium Ion ◽  
Mineral Trioxide Aggregate ◽  
Ion Release ◽  
White Portland Cement

scholarly journals Evaluation of pH, Calcium Ion Release, and Dimensional Stability of an Experimental Silver Nanoparticle-Incorporated Calcium Silicate-Based Cement

2021 ◽  
Vol 2021 ◽  
pp. 1-6
Author(s):  
Teena Sheethal Dsouza ◽  
Aditya Shetty ◽  
Neevan Dsouza
Keyword(s):  
Physicochemical Properties ◽  
Dimensional Stability ◽  
Calcium Ion ◽  
Calcium Silicate ◽  
Filling Material ◽  
Ion Release ◽  
Filling Materials ◽  
Sample Test ◽  
Initial Ph ◽  
Experimental Group

An experimental calcium silicate-based root-end filling material incorporated with silver nanoparticles intended for use in periapical surgeries was developed with the purpose to overcome the drawbacks of existing materials and to satisfy the ideal requirements of root-end filling materials. This study was designed to evaluate the physicochemical properties, pH, calcium ion release, and dimensional stability of the experimental cement, and compare the results with commercially available ProRoot MTA (Dentsply). An independent sample test was used to analyze the data. Mean initial pH (immediately after mixing) of the experimental cement was 10.42 ± 0.04 which was higher than that of MTA. However, there was a significant increase in pH of MTA at 1 day, 2 days, and 7 days. Presence of calcium chloride favored the release of calcium ions which was significantly increased in the experimental group at 24 hours. At the end of 30 days, MTA showed a significant expansion when compared to the experimental cement p < 0.001 . In conclusion, the experimental nanoparticle-incorporated calcium silicate-based cement showed clinically acceptable physicochemical properties.

scholarly journals Examination of Calcium Silicate Cements with Low-Viscosity Methyl Cellulose or Hydroxypropyl Cellulose Additive

2016 ◽  
Vol 2016 ◽  
pp. 1-6 ◽  
Author(s):  
Toshiaki Baba ◽  
Yasuhisa Tsujimoto
Keyword(s):  
Calcium Ion ◽  
Calcium Silicate ◽  
Zirconium Oxide ◽  
Setting Time ◽  
Mineral Trioxide Aggregate ◽  
Methyl Cellulose ◽  
Hydroxypropyl Cellulose ◽  
Ion Release ◽  
Low Viscosity ◽  
Calcium Silicate Cements

The purpose of this study was to improve the operability of calcium silicate cements (CSCs) such as mineral trioxide aggregate (MTA) cement. The flow, working time, and setting time of CSCs with different compositions containing low-viscosity methyl cellulose (MC) or hydroxypropyl cellulose (HPC) additive were examined according to ISO 6876-2012; calcium ion release analysis was also conducted. MTA and low-heat Portland cement (LPC) including 20% fine particle zirconium oxide (ZO group), LPC including zirconium oxide and 2 wt% low-viscosity MC (MC group), and HPC (HPC group) were tested. MC and HPC groups exhibited significantly higher flow values and setting times than other groups (p<0.05). Additionally, flow values of these groups were higher than the ISO 6876-2012 reference values; furthermore, working times were over 10 min. Calcium ion release was retarded with ZO, MC, and HPC groups compared with MTA. The concentration of calcium ions was decreased by the addition of the MC or HPC group compared with the ZO group. When low-viscosity MC or HPC was added, the composition of CSCs changed, thus fulfilling the requirements for use as root canal sealer. Calcium ion release by CSCs was affected by changing the CSC composition via the addition of MC or HPC.

Influence of powder-to-water ratio on radiopacity, setting time, pH, calcium ion release and a micro-CT volumetric solubility of white mineral trioxide aggregate

2013 ◽  
Vol 47 (2) ◽  
pp. 120-126 ◽  
Author(s):  
B. C. Cavenago ◽  
T. C. Pereira ◽  
M. A. H. Duarte ◽  
R. Ordinola-Zapata ◽  
M. A. Marciano ◽  
...  
Keyword(s):  
Calcium Ion ◽  
Setting Time ◽  
Mineral Trioxide Aggregate ◽  
Micro Ct ◽  
Ion Release ◽  
Water Ratio ◽  
White Mineral

Evaluation of pH and Calcium Ion Release of Root-end Filling Materials Containing Calcium Hydroxide or Mineral Trioxide Aggregate

2009 ◽  
Vol 35 (10) ◽  
pp. 1418-1421 ◽  
Author(s):  
Mário Tanomaru-Filho ◽  
Frederico Bordini Chaves Faleiros ◽  
Juliana Nogueira Saçaki ◽  
Marco Antonio Hungaro Duarte ◽  
Juliane Maria Guerreiro-Tanomaru
Keyword(s):  
Calcium Hydroxide ◽  
Calcium Ion ◽  
Mineral Trioxide Aggregate ◽  
Ion Release ◽  
Filling Materials

pH, Calcium Ion Release, and Setting Time of an Experimental Mineral Trioxide Aggregate–based Root Canal Sealer

2011 ◽  
Vol 37 (6) ◽  
pp. 844-846 ◽  
Author(s):  
Santiago Massi ◽  
Mário Tanomaru-Filho ◽  
Guilherme Ferreira Silva ◽  
Marco Antonio Hungaro Duarte ◽  
Larissa Tercilia Grizzo ◽  
...  
Keyword(s):  
Root Canal ◽  
Calcium Ion ◽  
Setting Time ◽  
Mineral Trioxide Aggregate ◽  
Root Canal Sealer ◽  
Ion Release

scholarly journals Solubility, pH change, and calcium ion release of low solubility endodontic mineral trioxide aggregate

2020 ◽  
Vol 44 (1) ◽  
Author(s):  
Manar Galal ◽  
Dalia Y. Zaki ◽  
Mohamed I. Rabie ◽  
Samia M. El-Shereif ◽  
Tamer M. Hamdy
Keyword(s):  
Calcium Ion ◽  
Mineral Trioxide Aggregate ◽  
Ion Release ◽  
Ph Change ◽  
Low Solubility

scholarly journals Physical, Chemical, Mechanical, and Biological Properties of Four Different Commercial Root-End Filling Materials: A Comparative Study

Materials ◽  
2021 ◽  
Vol 14 (7) ◽  
pp. 1693
Author(s):  
Tae-Yun Kang ◽  
Ji-Won Choi ◽  
Kyoung-Jin Seo ◽  
Kwang-Mahn Kim ◽  
Jae-Sung Kwon
Keyword(s):  
Mechanical Properties ◽  
Calcium Ion ◽  
Mineral Trioxide Aggregate ◽  
Biological Properties ◽  
Ion Release ◽  
Ph Variation ◽  
Filling Materials ◽  
Setting Times ◽  
Physical Chemical ◽  
Significant Difference

Commercial mineral trioxide aggregate (MTA) materials such as Endocem MTA (EC), Dia-Root Bio MTA (DR), RetroMTA (RM), and ProRoot MTA (PR) are increasingly used as root-end filling materials. The aim of this study was to assess and compare the physicochemical and mechanical properties and cytotoxicity of these MTAs. The film thicknesses of EC and DR were considerably less than that of PR; however, RM’s film thickness was greater than that of PR. In addition, the setting times of EC, DR, and RM were shorter than that of PR (p < 0.05). The solubility was not significantly different among all groups. The three relatively new MTA groups (EC, DR, and RM) exhibited a significant difference in pH variation and calcium ion release relative to the PR group (p < 0.05). The radiopacity of the three new MTAs was considerably less than that of PR. The mechanical strength of RM was not significantly different from that of PR (p > 0.05); however, the EC and DR groups were not as strong as PR (p < 0.05). All MTA groups revealed cytocompatibility. In conclusion, the results of this study confirmed that EC, RM, DR, and PR exhibit clinically acceptable physicochemical and mechanical properties and cell cytotoxicity.

scholarly journals Correction: Rajasekharan, S., et al. Effect of Exposed Surface Area, Volume and Environmental pH on the Calcium Ion Release of Three Commercially Available Tricalcium Silicate Based Dental Cements. Materials 2018, 11, 123

Materials ◽  
2021 ◽  
Vol 14 (2) ◽  
pp. 340
Author(s):  
Sivaprakash Rajasekharan ◽  
Chris Vercruysse ◽  
Luc Martens ◽  
Ronald Verbeeck
Keyword(s):  
Surface Area ◽  
Calcium Ion ◽  
Tricalcium Silicate ◽  
Exposed Surface ◽  
Ion Release ◽  
Exposed Surface Area

The authors wish to make the following correction to the paper [...]

scholarly journals Hydrophobically Modified Isosorbide Dimethacrylates as a Bisphenol-A (BPA)-Free Dental Filling Material

Materials ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2139
Author(s):  
Bilal Marie ◽  
Raymond Clark ◽  
Tim Gillece ◽  
Seher Ozkan ◽  
Michael Jaffe ◽  
...  
Keyword(s):  
Glass Transition ◽  
Transition Temperature ◽  
Glass Transition Temperature ◽  
Flexural Strength ◽  
Bisphenol A ◽  
Water Sorption ◽  
Triethylene Glycol ◽  
Filling Material ◽  
Hydrophobically Modified ◽  
Free Replacement

A series of bio-based hydrophobically modified isosorbide dimethacrylates, with para-, meta-, and ortho- benzoate aromatic spacers (ISBGBMA), are synthesized, characterized, and evaluated as potential dental restorative resins. The new monomers, isosorbide 2,5-bis(4-glyceryloxybenzoate) dimethacrylate (ISB4GBMA), isosorbide 2,5-bis(3-glyceryloxybenzoate) dimethacrylate (ISB3GBMA), and isosorbide 2,5-bis(2-glyceryloxybenzoate) dimethacrylate (ISB2GBMA), are mixed with triethylene glycol dimethacrylate (TEGDMA) and photopolymerized. The resulting polymers are evaluated for the degree of monomeric conversion, polymerization shrinkage, water sorption, glass transition temperature, and flexural strength. Isosorbide glycerolate dimethacrylate (ISDGMA) is synthesized, and Bisphenol A glycerolate dimethacrylate (BisGMA) is prepared, and both are evaluated as a reference. Poly(ISBGBMA/TEGDMA) series shows lower water sorption (39–44 µg/mm3) over Poly(ISDGMA/TEGDMA) (73 µg/mm3) but higher than Poly(BisGMA/TEGDMA) (26 µg/mm3). Flexural strength is higher for Poly(ISBGBMA/TEGDMA) series (37–45 MPa) over Poly(ISDGMA/TEGDMA) (10 MPa) and less than Poly(BisGMA/TEGDMA) (53 MPa) after immersion in phosphate-buffered saline (DPBS) for 24 h. Poly(ISB2GBMA/TEGDMA) has the highest glass transition temperature at 85 °C, and its monomeric mixture has the lowest viscosity at 0.62 Pa·s, among the (ISBGBMA/TEGDMA) polymers and monomer mixtures. Collectively, this data suggests that the ortho ISBGBMA monomer is a potential bio-based, BPA-free replacement for BisGMA, and could be the focus for future study.

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