The effect of a translucent post on resin composite depth of cure

Roberts, Howard W.; Leonard, Daniel L.; Vandewalle, Kraig S; Cohen, Mark E.; Charlton, David

doi:10.1016/j.dental.2003.10.004

Cited by 126 publications

(133 citation statements)

References 17 publications

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“…12,15 The control of moisture, 16 inefficient polymerization of the adhesive system or resin cement, 17,18 and aggressive etching that leaves the collagen fibrils susceptible to the action of metalloproteinases 13,19 can all accentuate the degradation of hybrid layer and adhesive interface.…”

Section: -11mentioning

confidence: 99%

“…On the other hand, for the conventional etch-and-rinse resin cement, the three-step adhesive system was applied with a microbrush, which can result in the formation of a hybrid layer, in all root thirds. [34][35][36] The difficulty of light to penetrate to the apical third 17,18 could cause incomplete polymerization of the material. To minimize its effects on materials' properties, a dual-cure resin cement and adhesive system was used.…”

Section: -11mentioning

confidence: 99%

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The Influence of Time and Cement Type on Push-Out Bond Strength of Fiber Posts to Root Dentin

Leme

Coutinho²,

Insaurralde³

et al. 2011

Operative Dentistry

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A self-adhesive resin cement can provide a significantly stronger bond than a three-step etch-and-rinse adhesive and resin cement when used to lute fiber posts. SUMMARYThe bond strength of fiber posts luted with resin cements was evaluated after two storage times in different regions of a post space. A total of 40 single-rooted human teeth were endodontically treated and prepared for cementation of fiber posts (White Post DC). In groups 1 and 3 (G1 and G3, respectively), posts were luted with RelyX ARC, whereas the posts in groups 2 and 4 (G2 and G4, respectively) were luted with RelyX Unicem. After one month of storage at 100% humidity, G1 and G2 were transversally sectioned in 1.7-mm slices of the cervical (C), middle (M), and apical (A) thirds of the post space and submitted to push-out testing at 1 mm/min. After nine months of storage, the roots of G3 and G4 underwent the same process. Mean values were analyzed using the Mann-Whitney and Kruskal-Wallis tests (a¼0.05). The bond strengths in G2 (C¼4.2662.29; M¼4.6763.54; A¼7.2764.30) were statistically higher than in G1 (C¼3.8161.07; M¼1.5761.62; A¼1.9961.60) in the middle and apical thirds (p¼0.001). Bond strengths in G4 (C¼3.3661.39; M¼4.4962.17; A¼3 . 8 361 . 9 2 ) w e r e h i g h e r t h a n i n G 3 (C¼2.1360.47; M¼0.9461.05; A¼0.9561.02) in all evaluated regions ( p¼0.02, p,0.001, and p,0.001, respectively). When comparing the root regions for each group, G1 had higher , 2011, 36-6, 643-648 values in the cervical third than the middle third (p¼0.02). The self-adhesive resin cement showed better results than the conventional resin cement at both storage times. For both materials a similar performance among the three root regions was found. Storage time did not influence the shear bond strength.

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Section: -11mentioning

confidence: 99%

Section: -11mentioning

confidence: 99%

The Influence of Time and Cement Type on Push-Out Bond Strength of Fiber Posts to Root Dentin

Leme

Coutinho²,

Insaurralde³

et al. 2011

Operative Dentistry

View full text Add to dashboard Cite

show abstract

“…1,2 The choice of materials used in these cases has changed from rigid materials, such as gold and zircon dioxide, to materials that have mechanical characteristics that more closely resemble dentin, such as fiber posts and composite resins. 3,4 Use of these materials diminishes the probability of root fracture, because these failures occur particularly in the post, allowing for tooth recovery.…”

Section: Introductionmentioning

confidence: 99%

“…19,20 However, an increase in the ability to transmit light was insignificant for obtaining an appropriate degree of conversion of the cement, particularly in the apical region. 1,20 Evidence indicates that a low degree of conversion does not necessarily reduce post retention. 21 The Cfactor (ratio of bonded to unbonded surface areas of cavities) is critical when higher than 5.…”

mentioning

confidence: 99%

Effect of Resin Cement System and Root Region on the Push-out Bond Strength of a Translucent Fiber Post

Calixto¹,

Bandéca²,

Clavijo³

et al. 2012

Operative Dentistry

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The use of self-adhesive resin cements is an option for bonding fiber-reinforced composite posts to root canal dentin. Traditional resin cements apparently provide higher bond strengths than self-etch resin cements. Because of this, the bond strength of self-adhesive resin cements to root dentin should be evaluated. SUMMARYObjectives: This study evaluated the bond strength of luting systems for bonding glass fiber posts to root canal dentin. The hypothesis tested was that there are no differences in bond strength of glass fiber posts luted with different cement systems.Methods: Forty bovine incisors were randomly assigned to five different resin cement groups (n=8). After endodontic treatment and crown removal, translucent glass fiber posts were bonded into the root canal using five different luting protocols (self-cured cement and etchand-rinse adhesive system; dual-cured cement and etch-and-rinse adhesive system; self-cured cement and self-etch adhesive system; dualcured cement and self-etch adhesive system; and dual-cured self-adhesive cement). Pushout bond strength was evaluated at three different radicular levels: cervical, middle,

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“…Tem-se ainda um substrato dentinário com baixo potencial de hibridização (73)(74)(75) , alto fator C nos canais radiculares (10) , dificuldade de fotopolimerização do cimento e adesivos dentro dos condutos radiculares (76,77) e também incompatibilidade química entre o sistema adesivo e o cimento resinoso, como já foi relatado (78,79) .…”

Section: Adesão Do Pino De Fibra à Estrutura Dentalunclassified

Avaliação dos ensaios de microtração, push-out e pull-out: resistência de união entre pino de fibra e dentina radicular, análise de elementos finitos e microscopia confocal

Castellan¹

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The effect of a translucent post on resin composite depth of cure

Cited by 126 publications

References 17 publications

The Influence of Time and Cement Type on Push-Out Bond Strength of Fiber Posts to Root Dentin

The Influence of Time and Cement Type on Push-Out Bond Strength of Fiber Posts to Root Dentin

Effect of Resin Cement System and Root Region on the Push-out Bond Strength of a Translucent Fiber Post

Avaliação dos ensaios de microtração, push-out e pull-out: resistência de união entre pino de fibra e dentina radicular, análise de elementos finitos e microscopia confocal

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