Evaluation of Curing Light Distance on Resin Composite Microhardness and Polymerization

2007 ◽  
Vol 32 (6) ◽  
pp. 571-578 ◽  
Author(s):  
K. M. Rode ◽  
Y. Kawano ◽  
M. L. Turbino
Keyword(s):  
Physical Properties ◽  
Mechanical Behavior ◽  
Clinical Application ◽  
Clinical Relevance ◽  
Resin Composite ◽  
Restorative Material ◽  
Light Curing ◽  
Curing Light ◽  
Dental Professional

Clinical Relevance Different light curing units, the thickness of the resin composite increments and the exposure distance to a curing light may change the physical properties of a restorative material and compromise its mechanical behavior under clinical loading conditions. Understanding how these factors can affect the quality of restorative products may help the dental professional in selecting the best activating source for a specific clinical application.

scholarly journals Cytotoxicity of Composite Materials Polymerized with LED Curing Units

10.2341/07-16 ◽  
2008 ◽  
Vol 33 (1) ◽  
pp. 23-30 ◽  
Author(s):  
A. Knezevic ◽  
D. Zeljezic ◽  
N. Kopjar ◽  
Z. Tarle
Keyword(s):  
Composite Materials ◽  
Light Intensity ◽  
Clinical Relevance ◽  
Resin Composite ◽  
Pulp Tissue ◽  
Curing Light

Clinical Relevance Curing light intensity is one of the main parameters for proper resin composite cure. Inadequate polymerization of a composite can be harmful to vital pulp tissue and can compromise the durability and quality of the final restoration.

The Influence of Tip Geometry and Distance on Light-curing Efficacy

10.2341/07-94 ◽  
2008 ◽  
Vol 33 (3) ◽  
pp. 325-331 ◽  
Author(s):  
G. Corciolani ◽  
A. Vichi ◽  
C. L. Davidson ◽  
M. Ferrari
Keyword(s):  
Light Source ◽  
Clinical Relevance ◽  
Resin Composite ◽  
Restorative Material ◽  
Entry And Exit ◽  
Depth Of Cure ◽  
Composite Restorations ◽  
Light Curing

Clinical Relevance Among the factors that significantly influence the depth of cure of resin composite restorations—the distance between the tip of the light source and the restorative material—as well as the geometry of the tip, are crucial parameters. Increasing the ratio between the entry and exit diameter of the tip will result in an improvement in the depth of cure for lower distances between the tip of the light source and the restorative material, while decreasing the ratio of the depth of cure, which will be higher for greater distances.

The Influence of Plastic Light Cure Sheaths on the Hardness of Resin Composite

2009 ◽  
Vol 34 (6) ◽  
pp. 741-745 ◽  
Author(s):  
S. Pollington ◽  
N. Kahakachchi ◽  
R. van Noort
Keyword(s):  
Mechanical Properties ◽  
Infection Control ◽  
Clinical Relevance ◽  
Resin Composite ◽  
Cross Infection ◽  
Restorative Material ◽  
Depth Of Cure ◽  
Light Curing

Clinical Relevance Disposable sheaths are now recommended as a method of cross infection control when light curing resin composite. However, these sheaths may affect the depth of cure of the resin composite, resulting in a compromise of the mechanical properties of the restorative material.

scholarly journals Effects of Total and Selective Bonding on Marginal Adaptation and Microleakage of Class I Resin Composite Restorations In Vitro

2008 ◽  
Vol 33 (6) ◽  
pp. 629-635 ◽  
Author(s):  
P. R. Schmidlin ◽  
T. Huber ◽  
T. N. Göhring ◽  
T. Attin ◽  
A. Bindl
Keyword(s):  
Clinical Relevance ◽  
Resin Composite ◽  
Class I ◽  
Marginal Adaptation ◽  
Glass Ionomer ◽  
Composite Restorations

Clinical Relevance Within the limitations of the current study, the use of glass ionomer liners improves the margin quality of Class I resin composite restorations and reduces leakage.

scholarly journals Influence of C-factor and Light-curing Mode on Gap Formation in Resin Composite Restorations

2009 ◽  
Vol 34 (5) ◽  
pp. 544-550 ◽  
Author(s):  
G. O. Santos ◽  
M. E. O. Santos ◽  
E. M. Sampaio ◽  
K. R. H. C. Dias ◽  
E. M. Silva
Keyword(s):  
Clinical Relevance ◽  
Resin Composite ◽  
Gap Formation ◽  
Composite Restorations ◽  
Light Curing

Clinical Relevance Gap formation in resin composite restorations may have influence on some parameters, such as C-factor and light-curing mode.

Effect of Light Energy Density on Conversion Degree and Hardness of Dual-cured Resin Cement

2010 ◽  
Vol 35 (1) ◽  
pp. 120-124 ◽  
Author(s):  
P. C. P. Komori ◽  
A. B. Paula ◽  
A. A. Martin ◽  
R. N. Tango ◽  
M. A. C. Sinhoreti ◽  
...  
Keyword(s):  
Energy Density ◽  
Physical Properties ◽  
Clinical Relevance ◽  
Light Energy ◽  
Resin Cement ◽  
Conversion Degree ◽  
Light Curing ◽  
Effect Of Light

Clinical Relevance Light energy density can influence the curing of dual-cured resin cement. The ultimate physical properties of dual-cured resin cement depend on light energy delivered from the light-curing unit. It can guide the clinicians to select the appropriate curing unit for curing dual cement.

Effect of Pre-heating Resin Composite on Restoration Microleakage

10.2341/07-41 ◽  
2008 ◽  
Vol 33 (1) ◽  
pp. 72-78 ◽  
Author(s):  
W. C. Wagner ◽  
M. N. Aksu ◽  
A. L. Neme ◽  
J. B. Linger ◽  
F. E. Pink ◽  
...  
Keyword(s):  
Clinical Relevance ◽  
Resin Composite ◽  
Resin Composites ◽  
Tooth Structure ◽  
Positive Effects ◽  
Light Curing

Clinical Relevance The results of this study indicate that preheating composites can improve adaptation of resin composites to tooth structure. This technique significantly reduced microleakage. However, delaying light curing of the preheated composite after placement appears to be counterproductive and diminishes the positive effects from the preheating treatment. Flowable liner was less effective than preheating the composite in reducing microleakage.

The Effect of Curing Units and Staining Solutions on the Color Stability of Resin Composites

10.2341/07-3 ◽  
2007 ◽  
Vol 32 (6) ◽  
pp. 616-622 ◽  
Author(s):  
A. R. Yazici ◽  
Ç Çelik ◽  
B. Dayangaç ◽  
G. Özgünaltay
Keyword(s):  
Clinical Relevance ◽  
Immersion Time ◽  
Resin Composite ◽  
Color Stability ◽  
Time Dependent ◽  
Resin Composites ◽  
Color Changes ◽  
Light Curing

Clinical Relevance The color stability of resin composites did not vary based on the type of light curing unit. The effect of staining solutions on color changes in resin composites was resin composite and immersion time-dependent.

Evaluation of Light Intensity Output of QTH and LED Curing Devices in Various Governmental Health Institutions

2011 ◽  
Vol 36 (4) ◽  
pp. 356-361 ◽  
Author(s):  
MM Al Shaafi ◽  
AM Maawadh ◽  
MQ Al Qahtani
Keyword(s):  
Light Intensity ◽  
Clinical Relevance ◽  
Restorative Materials ◽  
Light Curing ◽  
Health Institutions

Clinical Relevance Evaluating the intensity of a light curing unit regularly prior to the application of tooth-colored restorative materials is essential to assure the quality of restorative procedures.

scholarly journals Influence of Prolonged Light-curing Time on the Shear Bonding Strength of Resin to Bleached Enamel

2010 ◽  
Vol 35 (6) ◽  
pp. 672-681 ◽  
Author(s):  
M. Hussain ◽  
Y. Wang
Keyword(s):  
Exposure Time ◽  
Bonding Strength ◽  
Clinical Relevance ◽  
Light Exposure ◽  
Light Emitting Diode ◽  
Resin Composite ◽  
Curing Time ◽  
Light Emitting ◽  
Light Curing ◽  
Shear Bonding Strength

Clinical Relevance The bonding strength of resin composite to bleached enamel can be enhanced by increasing the light exposure time of light-emitting diode units if bonding is delayed for 24 hours.

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