| Clinical evaluation of bracket bonding using two different polymerization sources. | |
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MedLine Citation:
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PMID: 18298204 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To comparatively assess clinical failure rate of brackets cured with two different photopolymerization sources after nine months of orthodontic treatment. MATERIALS AND METHODS: The sample of this study comprised 30 patients who received comprehensive orthodontic treatment by means of fixed appliances. Using the same adhesive, 600 stainless steel brackets were directly bonded and light cured for 10 seconds with the light-emitting diode (LED) lamp or for 20 seconds with the conventional halogen lamp. A split-mouth design randomly alternated from patient to patient was applied. Failure rates were recorded for nine months and analyzed with Pearson chi2 test, and log-rank test at alpha = .05 level of significance. RESULTS: The overall failure rate recorded with the halogen unit (3.33%) was not significantly different from the failure rate for the LED lamp (5.00%). Significantly more failures were found in boys compared with girls, in the mandibular dental arch compared with the maxillary arch, and in posterior segments compared with anterior segments. However, no significant difference was found between the right and left segments. CONCLUSION: Both light-curing units showed sufficiently low bond failure rates. LED curing units are an advantageous alternative to conventional halogen sources in orthodontics because they enable a reduced chair-time bonding procedure without significantly affecting bond failure rate. |
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Authors:
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Nikolaos S Koupis; Theodore Eliades; Athanasios E Athanasiou |
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Publication Detail:
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Type: Comparative Study; Journal Article; Randomized Controlled Trial |
Journal Detail:
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Title: The Angle orthodontist Volume: 78 ISSN: 0003-3219 ISO Abbreviation: Angle Orthod Publication Date: 2008 Sep |
Date Detail:
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Created Date: 2008-02-26 Completed Date: 2008-11-18 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370550 Medline TA: Angle Orthod Country: United States |
Other Details:
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Languages: eng Pagination: 922-5 Citation Subset: D; IM |
Affiliation:
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koupis@yahoo.co.uk |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Acid Etching, Dental Bicuspid / pathology Composite Resins / chemistry Dental Alloys / chemistry Dental Arch / pathology Dental Bonding / methods* Dental Cements / chemistry* Equipment Failure Female Humans Lighting / instrumentation* Male Mandible / pathology Maxilla / pathology Orthodontic Appliance Design Orthodontic Brackets* Polymers / chemistry Resin Cements / chemistry Sex Factors Stainless Steel / chemistry Tooth Movement / instrumentation |
| Chemical | |
Reg. No./Substance:
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0/Composite Resins; 0/Dental Alloys; 0/Dental Cements; 0/Polymers; 0/Resin Cements; 0/Transbond XT; 0/Transbond XT Light Cure Adhesive Primer; 12597-68-1/Stainless Steel |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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