Strength of the bond as a predictor of marginal performance: An in vitro evaluation of contemporary adhesives
| Autor: | Antonella Mileo, Tissiana Bortolotto, Ivo Krejci |
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| Rok vydání: | 2010 |
| Předmět: |
Dental Stress Analysis
Materials Testing / methods Materials science Composite Resins Statistics Nonparametric Acid Etching Dental Cervical margins Tensile Strength Materials Testing Dentin medicine Humans General Materials Science Composite material Dental Restoration Permanent General Dentistry Dental Stress Analysis / methods Bond strength Bond Dental Bonding Test method Dental Marginal Adaptation ddc:617.6 Resin Cements Weak correlation Dental Restoration Permanent / methods medicine.anatomical_structure Mechanics of Materials Dentin-Bonding Agents Acid Etching Dental / methods Adhesive Dental Cavity Preparation Statistical correlation |
| Zdroj: | Dental materials, Vol. 26, No 3 (2009) pp. 242-248 |
| ISSN: | 0109-5641 |
| DOI: | 10.1016/j.dental.2009.11.001 |
| Popis: | Objective The aim of this study was to elucidate whether marginal performance (in terms of % of continuous margins) can, or not, be predicted from μTBS values. A relationship was attempted between μTBS and % of continuous margins (% CM) before and after loading of class V restorations made with five restorative systems from both etch & rinse and self-etch approach. Methods Resin–dentin slabs and as well as class V cavities with cervical margins in dentin were prepared and restored using five adhesive systems (Scotchbond Multipurpose Plus (SMPP), James 2, Experimental Bond, Xeno III and iBond) with their corresponding restorative composites. Bond strength and percentages of continuous margins were calculated before and after thermal and mechanical loading. Statistical correlation was calculated between bond strength/marginal adaptation before loading and bond strength/marginal adaptation after loading of the same adhesives. Results Ranking of materials according to their performance was test method dependent. A low weak correlation was found between bond strength and percentages of marginal adaptation. Significance No correlation could be established between strength of the bond and percentages of continuous margins. A direct comparison of bond strength with marginal adaptation data may be misleading. |
| Databáze: | OpenAIRE |
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