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:: Volume 22, Number 4 (Winter(Special Issue) 2005) ::
J Dent Sch GYEAR__, 22(4): 113-117 Back to browse issues page
A comparative study of shear bond strength of Fuji II and Ariadent glass Ionomer Cements to dentin of primary molar
Corresponding author: Dr. Abdolhamid Zafarmand *, Dr. Mahshid Alamee Harandi
Assistant Prof.
Abstract:   (10146 Views)

Background & Aim: More than 30 years has passed since introduction of glass-ionomer cement as a dental restorative material, luting cement and liner. Although they are sensitive to moisture and desiccation during the initial setting stages, relative poor physical properties because of chemical bonding to tooth substrate, and long-term esthetic quality, they are recommended for restoring anterior and posterior primary teeth, cervical lesions and root caries of permanent teeth. In this study, shear bond strength of Fuji II was compared with of ariadent glass-ionomer cements.

Materials & Methods: Thirty intact extracted primary molars were prepared for this study. Selected teeth were divided in two groups of 5. Sample were free of caries, fracture, crack, discoloration or any structural abnormality. The dentin of buccal surface of teeth were exposed by microtome apparatus. The surface was conditioned by polyacrylic acid (10%) for 20 seconds. Glass ionomer cements (Fuji II, and Ariadent) were prepared in a plastic cylinders (15 of each) and attached to the dentin of teeth horizontally. Shear bond stength of materials was measured by instron (Model 1159).

Results: Mean shear bond strength of Ariadent cement was 4.2 1.9 Mpa while 7.4 1.5 Mpa was of Fuji II cement (P=0.000). Failure mode was similar between two cements (P=ns). The most prevalent type of failure mode was cohesive failure leaving a firmly attached thin and homogenous layer of cement to dentin, in both groups.

Conclusion: It appears that shear bond strenght of Ariadent cement to primary tooth is much lower than of Fuji II.

J Dent Sch 2005 22(Special Issue): 113-117

Keywords: Shear bond strength, Glass ionomer, Primary molar.
Full-Text [PDF 131 kb]   (935 Downloads)    
Type of Study: Original Article | Subject: Special
Received: 2010/12/12
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Zafarmand A, Alamee Harandi M. A comparative study of shear bond strength of Fuji II and Ariadent glass Ionomer Cements to dentin of primary molar. J Dent Sch. 2005; 22 (4) :113-117
URL: http://jds.sbmu.ac.ir/article-1-840-en.html
Volume 22, Number 4 (Winter(Special Issue) 2005) Back to browse issues page
مجله دانشکده دندانپزشکی دانشگاه علوم پزشکی شهید بهشتی Shahid Beheshti University Dental Journal
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