Effect of Enamel Etching Time on Roughness and Bond Strength

10.2341/08-72 ◽  
2009 ◽  
Vol 34 (2) ◽  
pp. 217-222 ◽  
Author(s):  
W. W. Barkmeier ◽  
R. L. Erickson ◽  
N. S. Kimmes ◽  
M. A. Latta ◽  
T. M. Wilwerding

Clinical Relevance Traditionally, etch-and-rinse adhesive systems have used phosphoric acid to condition enamel surfaces and successfully create a strong, durable bond to resin-based materials. Newer adhesive systems now use acid monomers to bond resin materials to both enamel and dentin. These newer adhesives do not provide the same degree of bonding to enamel as etch-and-rinse systems, and extending the application time does not improve their performance.

2010 ◽  
Vol 35 (1) ◽  
pp. 77-83 ◽  
Author(s):  
H. Tsuchiya ◽  
K. Tsubota ◽  
M. Iwasa ◽  
S. Ando ◽  
M. Miyazaki ◽  
...  

Clinical Relevance Proper application duration of single-step self-etch adhesive plays an important role in obtaining optimal enamel bond strength.


10.2341/08-35 ◽  
2009 ◽  
Vol 34 (1) ◽  
pp. 43-50 ◽  
Author(s):  
L. C. Britta ◽  
M. Martins ◽  
F. M. G. França

Clinical Relevance An increase in application time of acid primer does not improve the bonding of self-etching adhesive systems to unground enamel.


10.2341/05-38 ◽  
2006 ◽  
Vol 31 (3) ◽  
pp. 332-337 ◽  
Author(s):  
W. W. Brackett ◽  
S. Ito ◽  
Y. Nishitani ◽  
L. D. Haisch ◽  
D. H. Pashley

Clinical Relevance Bond strength to ground enamel of single component self-etching adhesive systems was lower than that of etch-and-rinse and self-etching primer systems.


10.2341/07-63 ◽  
2008 ◽  
Vol 33 (2) ◽  
pp. 155-162 ◽  
Author(s):  
A-K. Lührs ◽  
S. Guhr ◽  
R. Schilke ◽  
L. Borchers ◽  
W. Geurtsen ◽  
...  

Clinical Relevance When using self-etch adhesives to bond composite materials to enamel, there is concern about the ability to achieve bond strengths comparable to approved etch-and-rinse systems. An additional phosphoric acid etching can improve the shear bond strength of self-etch adhesives to enamel.


2010 ◽  
Vol 35 (1) ◽  
pp. 112-119 ◽  
Author(s):  
N. S. Kimmes ◽  
W. W. Barkmeier ◽  
R. L. Erickson ◽  
M. A. Latta

Clinical Relevance Self-etch adhesive systems are promoted as being more efficient for bonding procedures by using fewer treatment steps to condition tooth surfaces for bonding resin-based materials. Concern has been expressed regarding the ability of the newer self-etch adhesives to yield strong, durable bonds when compared to more traditional etch-and-rinse systems. Extending the treatment time of etch-and-rinse and self-etch adhesives does not appear to result in relevant increases in the bond strength of resin composites to enamel or dentin.


10.2341/05-55 ◽  
2006 ◽  
Vol 31 (4) ◽  
pp. 450-455 ◽  
Author(s):  
A. M. Guéders ◽  
J. F. Charpentier ◽  
A. I. Albert ◽  
S. O. Geerts

Clinical Relevance This study indicates that etch and rinse adhesive systems are less prone to microleakage than self-etch systems.


2017 ◽  
Vol 16 ◽  
pp. 1-11
Author(s):  
Shahin Kasraei ◽  
Ebrahim Yarmohammadi ◽  
Maryam Farhadian ◽  
Mona Malek

Objective: this study aimed to assess the effect of treatment of phosphoric acid etched dentin surface with 5% bromelain enzyme and Nd:YAG laser prior to the use of etch and rinse adhesive systems on microleakage margins of class V composite restorations. Materials and Methods: sixty sound premolar teeth were selected. Standard class V cavities were prepared in the buccal and lingual surfaces of each teeth. Preparation in that way 1 mm of the cavity was above and 1 mm of it was below the cementoenamel junction. The teeth were then randomly divided into three groups including 20 teeth(40cavities  in each gorup). Two ethanol base etch and rinse system (Adper Single Bond and OptiBond Solo) was applied in each group. In the control group, cavities were etched with 37% phosphoric acid. Adper Single Bond was applied to 20 and OptiBond Solo was applied to the remaining 20 cavities and they were restored with Z250 composite (n=40). The same procedures were performed in bromelain and Nd:YAG laser groups with the difference that prior to the application of adhesive, aqueous 5% bromelain was applied in bromelain group while Nd:YAG laser was irradiated in laser group. All teeth were thermocycled and their apices were sealed with sticky wax. The tooth surfaces were coated with nail varnish except for 1 mm around the restoration margins, and the teeth were then immersed in fuchsine and sectioned by a diamond disc into mesial and distal halves. Marginal microleakage at both sides was determined and scored under a stereomicroscope at x40 magnification. Then data were analyzed using the Kruskal Wallis and Mann Whitney tests (α=0.05). Results: according the result of Mann Whitney test, Cervical margins showed significantly higher microleakage than the occlusal margins (P=0.000) but no significant difference was noted in microleakage of occlusal (P=0.362) or gingival (P=0.147) margins among the three groups by Kruskal Wallis test. Conclusion: in conclusion, application of proteolytic agents(5% bromelain solution and Nd:YAG laser)  on acid-etched dentin surface prior to the application of adhesive has no significant effect on marginal microleakage of class V composite restorations. 


2017 ◽  
Vol 18 (1) ◽  
pp. 34-38
Author(s):  
Mojtaba Abdollahi ◽  
Masoumeh Ebrahimi ◽  
Alireza Sarraf Shirazi ◽  
Faraneh Abdolhoseinpour

ABSTRACT Introduction One of the possible mechanisms for the gradual destruction of bond strength in dentin-resin interface, could be due to the demineralized unstable collagen matrix. Use of protease inhibitors, such as tannic acid (TA) could prevent destruction of collagen fibers. The aim of this study was to compare the TA effect on bond strength of etch and rinse and self-etch adhesive systems in the dentin of primary teeth. Materials and methods This in vitro study was done on 40 extracted primary molar teeth. The teeth were sectioned in the mesiodistal direction, and enamel of buccal and lingual surfaces was removed. Samples were randomly divided into four groups: Single bond (SB) + TA, SB, Clearfil SE Bond (CSB) + TA, and CSB. Then, Z250 and Clearfil AP-X composites were cured on the surfaces of SB and CSB groups respectively. After that, all samples were divided into aging and non-aging groups. For 3 months, samples were placed under 1,000 thermal cycles in aging group. Subsequently, the shear bond strengths of all groups were measured by the International testing machine, and failure mode was evaluated by an optical stereomicroscope. Data were analyzed with paired t-test and independent t-test. Results Tannic acid induced a significant reduction in the immediate bond strength of adhesive SB. Meanwhile, TA had no significant effect on shear bond strength of the CSB system. Conclusion Based on our findings, use of TA is not recommended with SB and CSB adhesives on primary teeth. Clinical significance Tannic acid may not be considered in resin restorations of primary teeth. How to cite this article Ebrahimi M, Sarraf Shirazi A, Abdolhoseinpour F, Abdollahi M. Effect of Tannic Acid on Bond Strength of Etch and Rinse and Self-etch Adhesive Systems in Dentin of Primary Teeth. J Contemp Dent Pract 2017;18(1):34-38.


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