Document Detail


A Comparison of Shear Bond Strengths of Metal and Ceramic Brackets using Conventional Acid Etching Technique and Er:YAG Laser Etching.
MedLine Citation:
PMID:  25024836     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Background and aims. The aim of this study was to compare shear bond strength (SBS) of metal and ceramic brackets bonded to enamel using acid versus Er:YAG laser etching. Materials and methods. Eighty premolars were divided into 4 groups: AM (acid etching/ metal brackets), AC (acid etching/ ceramic brackets), LM (laser etching/ metal brackets) and LC (laser etching/ ceramic brackets). Enamel condition-ing was done using acid in AC and AM and Er:YAG laser in LC and LM. Brackets were debonded with a Dartec machine and the SBSs were determined. Adhesive remnant index was evaluated under a stereomicroscope. Two additional teeth were conditioned with acid and laser for scanning electron microscopy examination. Comparisons of SBS value were done by ANOVA test. Results. statistical analyses showed that SBSs of acid groups were significantly higher than that of laser groups, but dif-ferences between SBS values of AC/ AM and LC/LM were not significant. SEM examination revealed different etching pattern. Conclusion. Low power Er:YAG laser etching offers clinically acceptable SBS which besides its other superiorities to acid etching can be an appropriate alternative for bonding of ceramic brackets.
Authors:
Sogra Yassaei; Reza Fekrazad; Neda Shahraki; Mahdjoube Goldani Moghadam
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Publication Detail:
Type:  Journal Article     Date:  2014-03-05
Journal Detail:
Title:  Journal of dental research, dental clinics, dental prospects     Volume:  8     ISSN:  2008-210X     ISO Abbreviation:  J Dent Res Dent Clin Dent Prospects     Publication Date:  2014  
Date Detail:
Created Date:  2014-07-15     Completed Date:  2014-07-15     Revised Date:  2014-07-17    
Medline Journal Info:
Nlm Unique ID:  101576035     Medline TA:  J Dent Res Dent Clin Dent Prospects     Country:  Iran    
Other Details:
Languages:  eng     Pagination:  27-34     Citation Subset:  -    
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