Document Detail


Estimation of the surface gloss of dental nano composites as a function of color measuring geometry.
MedLine Citation:
PMID:  23082386     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
PURPOSE: To estimate the surface gloss of various dental nano composites by using the correlation between deltaE* specular component excluded (SCE) - specular component included (SCI) and surface roughness (Ra).
METHODS: Two brands of commercial and two experimental light-cured resin composites were used. Resin composite discs were prepared 10 mm in diameter and 3 mm in thickness. 56 subgroups (n=5) were designed according to two different curing conditions (hand light curing and additional post-heat curing) and seven different polishing methods (Mylar, 4000-, 2400-, 1200- and 320- SiC paper, rubber-based silicone, three-step polishing kit). deltaE*SCE-SCI and Ra measurements were done. Two specimens in each subgroup were analyzed by SEM. Multifactorial ANOVA and post hoc Tukey test were applied for the evaluation of the deltaE*SCE-SCI and Ra data (P<0.05). Moreover, Spearman's rank correlation test was used to determine the correlation between deltaE*SCE-SCI and Ra results (P<0.01).
RESULTS: A strong correlation was found between deltaE*(SCE-SCI) and Ra results indicating the surface gloss of the tested composite resin materials after different curing and surface polishing methods. A three-factor interaction was found between curing conditions, surface polishing methods and resin composites (P<0.05) in deltaE*SCE-SCI and Ra results. Additionally, significant differences were found between composites and between polishing methods (P<0.05). Furthermore, there were significant differences between curing conditions in Ra results (P<0.05).
Authors:
Ferhan Egilmez; Gulfem Ergun; Isil Cekic-Nagas; Pekka K Vallittu; Lippo V J Lassila
Related Documents :
23159566 - Biological response on titanium implant grade surface functionalized with modular pepti...
23927766 - Quantifying the biomechanics of conception: l-selectin mediated blastocyst implantation...
21196346 - Dentin: structure, composition and mineralization.
20923966 - Simulation tests to assess occupational exposure to airborne asbestos from artificially...
15353996 - Limitations of titanium dioxide and aluminum oxide as ossicular replacement materials: ...
23285206 - Radiologic evaluation of bone loss at implants with biocide coated titanium abutments: ...
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  American journal of dentistry     Volume:  25     ISSN:  0894-8275     ISO Abbreviation:  Am J Dent     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-10-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8806701     Medline TA:  Am J Dent     Country:  United States    
Other Details:
Languages:  eng     Pagination:  220-6     Citation Subset:  D    
Affiliation:
Department of Prosthodontics, Gazi University, Faculty of Dentistry, Ankara, Turkey. ferhanegilmez@gmail.com
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


Previous Document:  Azithromycin as an adjunctive treatment of aggressive periodontitis: radiographic findings of a 12-m...
Next Document:  Effects of polishing on surface roughness and gloss of S-PRG filled flowable resin composite.