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Year : 2014  |  Volume : 2  |  Issue : 1  |  Page : 17-20

A comparison of shear bond strengths of six orthodontic cements

1 Department of Orthodontics, Faculty of Dentistry, Kirikkale University, Kirikkale, Turkey
2 Private Practice, Konya, Turkey
3 Private Practice, Izmir, Turkey

Correspondence Address:
Hakan Gurcan Gurel
1386 S N7 D4, Alsancak, Izmir
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2321-3825.125918

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Objective: To evaluate the force required to cause debanding when Ultraband-Lok (polyacid-modified composite resin, Reliance Orthodontic Products Inc, Itasca, IL), Optiband (resin-modified glass ionomer, Ormco, West Collins Orange, CA), Meron (glass ionomer, VOCO, Cuxhaven, Germany), Ketac-Cem (glass ionomer, 3M ESPE, St Paul, MN), 3M Multi-cure (resin-modified glass ionomer, 3M Unitek, Monrovia CA), and Transbond Plus (polyacid-modified composite resin, 3M Unitek, Monrovia CA) are used as the luting agents. Materials and Methods: The study sample consisted of 216 intact, caries-free third molars collected from patients attending third molar surgery. To assess the shear bond strength, 216 teeth were randomly divided into six groups of 36 teeth. Stainless steel microetched molar bands were cemented with different cement in each group. To assess shear bond strength, a universal testing machine was used at a crosshead speed of 1 mm/min. Shear bond strength data were analyzed using analysis of variance (ANOVA). Chi-square analysis was used to compare the mode of band failure. Results: No statistically significant difference was found between the groups with regard to shear bond strength (P = 0.919). However, there was a statistically significant difference between the groups with respect to mode of failure (P = 0.004). Conclusion: All evaluated cements yielded comparable shear bond strengths, whereas their mode of failure differed significantly.

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