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Register a new userIn Vitro Comparative Study Between Glass ionomer and calcium silicate cements for solubility evaluation
دراسة مخبرية مقارنة بين الإسمنت الزجاجي الأيوني و إسمنت سيلكات الكالسيوم لتقييم الذوبانية
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أجريت دراسة مقارنة بين كل من الإسمنت الزجاجي الأيوني (GIC) و اسمنت سيلكات الكالسيوم (Biodentine) و ذلك من خلال تقييم ذوبانية كل منهما و تأثيرهما على درجة حموضة الوسط و قدرتهما على امتصاص الماء و تحرير الكالسيوم في الشروط المخبرية ذاتها.
A comparative study was conducted between GIC and Biodentine Cements by assessing their solubility, their effect on pH, their ability to absorb water, and calcium release in the same laboratory conditions.
References used
ABU ZEID, S. T. H., ALOTHMANI, O. S., YOUSEF, M. K. (2015) Biodentine and Mineral Trioxide Aggregate: An Analysis of Solubility, pH Changes and Leaching Elements Life Science Journal, Vol. 12, 18-23
AL-HYALI, N. A. (2017) Comparison among pulp capping materials in: calcium ion release, pH change, solubility and water sorption (An in vitro study), Journal of baghdad college of dentistry, Vol. 29, 9-16
FOREMAN, P. C., BARNES, I. E. (1990) A review of calcium hydroxide, International Endodontic Journal, Vol. 23, 283-297
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The research aims to evaluate the micro shear bond strength of the calcium silicate cement
(Biodentine) and the glass ionomer cement (GIC) to dentine. The study was performed using
upper or lower premolars, and samples were divided into six equal s
ubgroups according to
the time period (3 h, 1 day, 1 week, 2 weeks, 4 weeks, 8 weeks), in order to study changes in
the values of shear bond strength with time. The comparative study showed that the success
rate of adhesion in the Biodentine group was smaller than that in the GIC group for the tested
premolars after 3 hours and one day, whereas the success rate in the Biodentine group was
greater than that in the GIC group for the tested premolars after 8 weeks.
Results showed a positive correlation between the mean values of shear bond strengths and
the studied time in Biodentine group, which ranged from 1.49 ± 0.18 MPa at 3 hours to a
maximum value of 2.65 ± 0.26 MPa after 8 weeks. While there was a negative correlation
between the mean values and the studied time in the GIC group and values ranged from 3.02
± 0.13 MPa at 3 hours and 2.06 ± 0.09 MPa at 8 weeks.
The study showed the advantage of Biodentine compared with GIC in terms of
micro-bonding to dentine, which can have a clinically significant importance in preventing
the micro leakage and reducing bacterial contamination.
One aim of the root canal treatment is providing compact
three dimensional seal for the canal system to prevent germs
enter and its products across both the apical and coronal
ways.
Gutta-Percha is the most use material to fill the radicalism
ca
nals. It has limited importance in spite of many
specifications as lack of the link to the ridge canal.
An appropriate bond between glass‑ionomer and the superficial
resin materials is very important for the success of sandwich
technique. The aim of the present in vitro study was to evaluate the
effect of three surface treatments of conventional glass‑ionomer on
its shear bond strength to giomer
The purpose of this study was to compare the shear bond
strength to root dentin of a nano- ionomer material (Ketac N100,3M) and a
fifth generation bonding material (Excite,Vivadent) applied with a resin
composite (Tetric-ceram,Vivadent), in order to determine the material of
choice for restoring root extended lesions.
Usually, it's hard to reach the final color identity with normal teeth when using
full glass ceramic, but this matter is very important for the cosmetic successful of these restorations. This
in vitro study evaluated the effect of cement color on the final color of full crown glass ceramic of system
IPS e.max.
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