| Bond strength of self-etch adhesives to dentin prepared with three different diamond burs. | |
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MedLine Citation:
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PMID: 18199476 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: To evaluate the micro-tensile bond strength (mu TBS) of a control etch-and-rinse and three self-etch (strong, mild, ultra-mild) adhesive systems to dentin prepared with three different grit size of diamond burs. METHODS: Dentin surfaces were created from mid-coronal sound dentin in extracted, human third molars. The teeth were ground with high-speed medium grit (100 microm), fine grit (30 microm), or extra-fine grit (15 microm) diamond bur. Resin composite (Z100) was bonded to the surfaces using Optibond FL, Adper Prompt L-Pop, Clearfil SE Bond, or Clearfil S3 Bond. Rectangular micro-specimens were prepared using the slow-speed diamond saw and tested in tensile to determine the mu TBS. Failure analysis was performed using a stereo-microscope and Fe-SEM. Data were analyzed by two-way analysis of variance and Tukey's HSD test (p<0.05). RESULTS: The etch-and-rinse adhesive yielded high micro-tensile values (58-69 MPa), irrespective of the diamond burs used. The bond strength values were comparable for Adper Prompt L-Pop and Clearfil SE Bond irrespective of the burs used. The mu TBS values were significantly higher as the particle size of diamond burs is smaller for Clearfil S3 Bond. Most failures were recorded as interfacial failure when the fine and extra-fine diamond burs were used. SIGNIFICANCE: Overall, different grit-sized diamond burs did not affect the mechanical properties of the interface, except for the ultra-mild one step self-etch adhesive. This adhesive performed significantly better when a smaller grit size was used to prepare dentin surface. |
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Authors:
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R Banu Ermis; Jan De Munck; Marcio Vivan Cardoso; Eduardo Coutinho; Kirsten L Van Landuyt; André Poitevin; Paul Lambrechts; Bart Van Meerbeek |
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Publication Detail:
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Type: Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't Date: 2008-01-15 |
Journal Detail:
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Title: Dental materials : official publication of the Academy of Dental Materials Volume: 24 ISSN: 0109-5641 ISO Abbreviation: Dent Mater Publication Date: 2008 Jul |
Date Detail:
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Created Date: 2008-05-23 Completed Date: 2008-10-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8508040 Medline TA: Dent Mater Country: England |
Other Details:
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Languages: eng Pagination: 978-85 Citation Subset: D |
Affiliation:
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Leuven BIOMAT Research Cluster, Department of Conservative Dentistry, School of Dentistry, Oral Pathology and Maxillo-facial Surgery, Catholic University of Leuven, Kapucijnenvoer 7, B-3000 Leuven, Belgium. |
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| MeSH Terms | |
Descriptor/Qualifier:
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Composite Resins
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chemistry Dental Bonding* Dental Etching / instrumentation* Dental High-Speed Equipment Dentin / ultrastructure* Dentin-Bonding Agents / chemistry* Diamond / chemistry* Humans Microscopy, Electron, Scanning Particle Size Resin Cements / chemistry Silicon Dioxide / chemistry Smear Layer Stress, Mechanical Surface Properties Tensile Strength Tooth Preparation / instrumentation* Zirconium / chemistry |
| Chemical | |
Reg. No./Substance:
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0/Clearfil S3 Bond; 0/Clearfil SE Bond; 0/Composite Resins; 0/Dentin-Bonding Agents; 0/OptiBond FL; 0/Prompt L-Pop; 0/Resin Cements; 0/Z100 composite resin; 7440-67-7/Zirconium; 7631-86-9/Silicon Dioxide; 7782-40-3/Diamond |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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