| Crystal growth vs. conventional acid etching: a comparative evaluation of etch patterns, penetration depths, and bond strengths. | |
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MedLine Citation:
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PMID: 19075433 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The present study was undertaken to investigate the effect on enamel surface, penetration depth, and bond strength produced by 37% phosphoric acid and 20% sulfated polyacrylic acid as etching agents for direct bonding. Eighty teeth were used to study the efficacy of the etching agents on the enamel surface, penetration depth, and tensile bond strength. It was determined from the present study that a 30 sec application of 20% sulfated polyacrylic acid produced comparable etching topography with that of 37% phosphoric acid applied for 30 sec. The 37% phosphoric acid dissolves enamel to a greater extent than does the 20% sulfated polyacrylic acid. Instron Universal testing machine was used to evaluate the bond strengths of the two etching agents. Twenty percent sulfated polyacrylic acid provided adequate tensile bond strength. It was ascertained that crystal growth can be an alternative to conventional phosphoric acid etching as it dissolves lesser enamel and provides adequate tensile bond strength. |
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Authors:
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Raghu Devanna; K M Keluskar |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Indian journal of dental research : official publication of Indian Society for Dental Research Volume: 19 ISSN: 0970-9290 ISO Abbreviation: Indian J Dent Res Publication Date: 2008 Oct-Dec |
Date Detail:
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Created Date: 2008-12-16 Completed Date: 2009-03-31 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9202990 Medline TA: Indian J Dent Res Country: India |
Other Details:
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Languages: eng Pagination: 309-14 Citation Subset: D |
Affiliation:
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Department of Orthodontics and Dentofacial Orthopedics, Institute of Dental Sciences, KLE University, Belgaum, India. drraghu_devanna@yahoo.co.in |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acid Etching, Dental
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methods* Acrylic Resins / chemistry, pharmacology Crystallization Dental Alloys / chemistry Dental Bonding* Dental Enamel / drug effects, ultrastructure* Dental Enamel Solubility Dental Stress Analysis / instrumentation Dentin-Bonding Agents / chemistry Humans Materials Testing Microscopy, Electron, Scanning Orthodontic Brackets Phosphoric Acids / chemistry, pharmacology Resin Cements / chemistry Stainless Steel / chemistry Stress, Mechanical Surface Properties Tensile Strength Time Factors |
| Chemical | |
Reg. No./Substance:
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0/Acrylic Resins; 0/Dental Alloys; 0/Dentin-Bonding Agents; 0/Enlight; 0/OrthoSolo; 0/Phosphoric Acids; 0/Resin Cements; 12597-68-1/Stainless Steel; 7664-38-2/phosphoric acid; 9003-01-4/carbopol 940 |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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