scholarly journals Resin composite repair: Quantitative microleakage evaluation of resin-resin and resin-tooth interfaces with different surface treatments

2015 ◽  
Vol 09 (01) ◽  
pp. 092-099 ◽  
Author(s):  
Cigdem Celik ◽  
Sevi Burcak Cehreli ◽  
Neslihan Arhun
Keyword(s):  
Image Analysis ◽  
Resin Composite ◽  
Middle Part ◽  
Surface Treatments ◽  
Resin Composites ◽  
Adhesive Systems ◽  
Air Abrasion ◽  
Composite Repair ◽  
Composite Type ◽  
Group 2

ABSTRACT Objective: The aim was to evaluate the effect of different adhesive systems and surface treatments on the integrity of resin-resin and resin-tooth interfaces after partial removal of preexisting resin composites using quantitative image analysis for microleakage testing protocol. Materials and Methods: A total of 80 human molar teeth were restored with either of the resin composites (Filtek Z250/GrandioSO) occlusally. The teeth were thermocycled (1000×). Mesial and distal 1/3 parts of the restorations were removed out leaving only middle part. One side of the cavity was finished with course diamond bur and the other was air-abraded with 50 μm Al2O3. They were randomly divided into four groups (n = 10) to receive: Group 1: Adper Single Bond 2; Group 2: All Bond 3; Group 3: ClearfilSE; Group 4: BeautiBond, before being repaired with the same resin composite (Filtek Z250). The specimens were re-thermocycled (1000×), sealed with nail varnish, stained with 0.5% basic fuchsin, sectioned mesiodistally and photographed digitally. The extent of dye penetration was measured by image analysis software (ImageJ) for both bur-finished and air-abraded surfaces at resin-tooth and resin-resin interfaces. The data were analyzed statistically. Results: BeautiBond exhibited the most microleakage at every site. Irrespective of adhesive and initial composite type, air-abrasion showed less microleakage except for BeautiBond. The type of initial repaired restorative material did not affect the microleakage. BeautiBond adhesive may not be preferred in resin composite repair in terms of microleakage prevention. Conclusions: Surface treatment with air-abrasion produced the lowest microleakage scores, independent of the adhesive systems and the pre-existing resin composite type. Pre-existing composite type does not affect the microleakage issue. All-in-one adhesive resin (BeautiBond) may not be preferred in resin composite repair in terms of microleakage prevention.

Effect of Er,Cr:YSGG Laser, Air Abrasion, and Silane Application on Repaired Shear Bond Strength of Composites

2013 ◽  
Vol 38 (3) ◽  
pp. E58-E66 ◽  
Author(s):  
SD Cho ◽  
P Rajitrangson ◽  
BA Matis ◽  
JA Platt
Keyword(s):  
Bond Strength ◽  
Aluminum Oxide ◽  
Surface Treatment ◽  
Shear Bond Strength ◽  
Resin Composite ◽  
Silica Coating ◽  
Surface Treatments ◽  
Control Group ◽  
Resin Composites ◽  
Air Abrasion

SUMMARY Aged resin composites have a limited number of carbon-carbon double bonds to adhere to a new layer of resin. Study objectives were to 1) evaluate various surface treatments on repaired shear bond strength between aged and new resin composites and 2) to assess the influence of a silane coupling agent after surface treatments. Methods Eighty disk-shape resin composite specimens were fabricated and thermocycled 5000 times prior to surface treatment. Specimens were randomly assigned to one of the three surface treatment groups (n=20): 1) air abrasion with 50-μm aluminum oxide, 2) tribochemical silica coating (CoJet), or 3) Er,Cr:YSGG (erbium, chromium: yttrium-scandium-gallium-garnet) laser or to a no-treatment control group (n=20). Specimens were etched with 35% phosphoric acid, rinsed, and dried. Each group was divided into two subgroups (n=10): A) no silanization and B) with silanization. The adhesive agent was applied and new resin composite was bonded to each conditioned surface. Shear bond strength was evaluated and data analyzed using two-way analysis of variance (ANOVA). Results Air abrasion with 50-μm aluminum oxide showed significantly higher repair bond strength than the Er,Cr:YSGG laser and control groups. Air abrasion with 50-μm aluminum oxide was not significantly different from tribochemical silica coating. Tribochemical silica coating had significantly higher repair bond strength than Er,Cr:YSGG laser and the control. Er,Cr:YSGG laser and the control did not have significantly different repair bond strengths. Silanization had no influence on repair bond strength for any of the surface treatment methods. Conclusion Air abrasion with 50-μm aluminum oxide and tribochemical silica followed by the application of bonding agent provided the highest repair shear bond strength values, suggesting that they might be adequate methods to improve the quality of repairs of resin composites.

Bond strength of repaired composite resins: surface treatments, adhesive systems, and composite type

2015 ◽  
Vol 30 (5) ◽  
pp. 520-533
Author(s):  
Emine Sirin Karaarslan ◽  
Abdul Semih Ozsevik ◽  
Mehmet Ata Cebe ◽  
Hatice Derya Gursel Surmelioglu ◽  
Samet Tosun ◽  
...  
Keyword(s):  
Bond Strength ◽  
Surface Treatments ◽  
Composite Resins ◽  
Adhesive Systems ◽  
Composite Type

scholarly journals Shear Bond Strength of Composite Repair System to Bilayered Zirconia Using Different Surface Treatments (In Vitro Study)

2020 ◽  
Vol 23 (1) ◽  
Author(s):  
Ahmed Atef Baiomy ◽  
Jihan Farouk Younis ◽  
Ahmed Hassanen Khalil
Keyword(s):  
Bond Strength ◽  
Surface Treatment ◽  
Shear Bond Strength ◽  
Treatment Method ◽  
Surface Treatments ◽  
Repair System ◽  
Cohesive Failure ◽  
Air Abrasion ◽  
Composite Repair ◽  
Mode Of Failure

Objective:  the study is aimed to evaluate the effect of different surface treatment methods on shear bond strength between composite repair system and both of zirconia core and veneering porcelain and analyze the mode of failure between composite repair and ceramic surface. Material and methods: 40 Ceramic discs were fabricated with diameter of 7mm and 3mm thickness and divided according to material into two groups, Zirconia core discs (n = 20) and veneering porcelain discs (n = 20). Specimens were thermocycled and then each group was subdivided according to surface treatment method into 4 equal sub groups (n = 5) ,control subgroup I air abrasion, subgroup II Cojet, subgroup III laser, subgroup IV combination of air abrasion and laser surface treatment. Composite blocks were built up and polymerized on the surface of the specimens and shear bond strength of composite to each specimen was tested using a universal testing machine and mode of failure was evaluated using stereomicroscope. Results: Regardless of ceramic type; there was a statistically significant difference between surface treatments. Cojet recorded the highest mean shear bond strength. Laser showed the highest prevalence of adhesive failure.  Porcelain + Cojet showed the highest prevalence of cohesive failure. Conclusion: Cojet surface treatment provided superior shear bond strength regardless of the ceramic type whether zirconia or porcelain. Porcelain provided superior shear bond strength values in comparison to zirconia regardless of the surface treatment method tested. Porcelain showed higher percentage of cohesive failure that while the mode of failure in zirconia was most commonly adhesive.KEYWORDS Laser; Porcelain repair; Zirconia repair. 

scholarly journals Effect of Restorative System and Thermal Cycling on the Tooth-Restoration Interface – OCT Evaluation

2016 ◽  
Vol 41 (2) ◽  
pp. 162-170 ◽  
Author(s):  
CS Sampaio ◽  
RV Rodrigues ◽  
EJ Souza-Junior ◽  
AZ Freitas ◽  
GMB Ambrosano ◽  
...  
Keyword(s):  
Thermal Cycling ◽  
Resin Composite ◽  
Adhesive System ◽  
Repeated Measurements ◽  
Cervical Lesion ◽  
Resin Composites ◽  
Marginal Integrity ◽  
Group 5 ◽  
Group 2 ◽  
Noncarious Cervical Lesion

SUMMARY The present study evaluated the tooth/noncarious cervical lesion restoration interface when using different adhesive systems and resin composites, submitted to thermal cycling (TC), using optical coherence tomography (OCT). Noncarious cervical lesion (NCCL) preparations (0.7 mm depth × 2 mm diameter) were performed on 60 human third molars and randomly divided into six groups, according to the adhesive system and resin composite used: group 1 = Adper Single Bond 2 (SB2) + Aelite LS Posterior (AP); group 2 = SB2 + Venus Diamond (VD); group = SB2 + Filtek Z250XT (Z250); group 4 = Clearfil SE Bond (CSE) + AP; group 5 = CSE + VD; group 6 = CSE + Z250. Selective enamel etching was performed for 30 seconds on groups 4, 5, and 6, while groups 1, 2, and 3 were etched for 30 seconds in enamel and 15 seconds in dentin. All groups were evaluated using OCT before and after TC (n=10). Images were analyzed using Image J software; enamel and dentin margins were separately evaluated. Data from OCT were submitted to PROC MIXED for repeated measurements and Tukey Kramer test (α = 0.05). No marginal gaps were observed in etched enamel, either before or after TC, for all adhesive and resin composite systems. A significant interaction was found between adhesive system and TC for the dentin groups; after TC, restorations with CSE showed smaller gaps at the dentin/restoration interface compared with SB2 for all resin composites. Increased gap percentages were noticed after TC compared with the gaps before TC for all groups. In conclusion, TC affected marginal integrity only in dentin margins, whereas etched enamel margins remained stable even after TC. Dentin margins restored with CSE adhesive system showed better marginal adaptation than those restored with SB2. Resin composites did not influence marginal integrity of NCCL restorations.

scholarly journals Effect of Surface Treatments and Aging in Water on Bond Strength to Zirconia

10.2341/08-12 ◽  
2008 ◽  
Vol 33 (6) ◽  
pp. 675-681 ◽  
Author(s):  
J. Lindgren ◽  
J. Smeds ◽  
G. Sjögren
Keyword(s):  
Bond Strength ◽  
Yttrium Oxide ◽  
Clinical Relevance ◽  
Resin Composite ◽  
Surface Treatments ◽  
Stabilized Zirconia ◽  
Air Abrasion ◽  
Partially Stabilized Zirconia ◽  
Resin Composite Cement ◽  
Effect Of Surface

Clinical Relevance Air abrasion and pretreatment with a metal primer seem to be an appropriate method for improving the bond strength of RelyX Unicem resin composite cement to hot isostatic pressed yttrium-oxide partially stabilized zirconia.

scholarly journals Effect of Dentin Bonding Agents, Various Resin Composites and Curing Modes on Bond Strength to Human Dentin

Materials ◽  
2019 ◽  
Vol 12 (20) ◽  
pp. 3395
Author(s):  
Rene Steiner ◽  
Daniel Edelhoff ◽  
Bogna Stawarczyk ◽  
Herbert Dumfahrt ◽  
Isabel Lente
Keyword(s):  
Bond Strength ◽  
Resin Composite ◽  
Adhesive System ◽  
Resin Composites ◽  
Adhesive Systems ◽  
Bonding Agents ◽  
Soft Start ◽  
Human Dentin ◽  
One Step ◽  
Push Out

This study investigated the influence of several dentin bonding agents, resin composites and curing modes on push-out bond strength to human dentin. 360 extracted caries-free third molars were prepared, cut into slices, embedded in epoxy resin and perforated centrally. One half of the specimens (180) were treated by using one-step adhesive systems and the other half (180) with multi-step adhesive systems. Subsequently, the cavities were filled with either universal, flowable or bulk-fill resin composite according to the manufactures’ product line and cured with either turbo or soft start program. After storage the push-out test was performed. The data was analyzed using Kolmogorov-Smirnov, three- and one-way ANOVA followed by the Scheffé post-hoc test, unpaired two-sample t-test (p < 0.05). The strongest influence on push-out bond strength was exerted by the resin composite type (partial eta squared ηP2 = 0.505, p < 0.001), followed by the adhesive system (ηP2 = 0.138, p < 0.001), while the choice of the curing intensity was not significant (p = 0.465). The effect of the binary or ternary combinations of the three parameters was significant for the combinations resin composite type coupled adhesive system (ηP2 = 0.054, p < 0.001), only. The flowable resin composites showed predominantly mixed, while the universal and bulk-fill resin composite showed adhesive failure types. Cohesive failure types were not observed in any group. Multi-step adhesive systems are preferable to one-step adhesive systems due to their higher bond strength to dentin. Flowable resin composites showed the highest bond strength and should become more important as restoration material especially in cavity lining. The use of a soft start modus for polymerization of resin composites does not enhance the bond strength to dentin.

scholarly journals Effect of surface conditioning methods, adhesive systems and resin composite on repair strength of dimethacrylate and silorane resin composites

2016 ◽  
Vol 30 (24) ◽  
pp. 2736-2744 ◽  
Author(s):  
Adriano Fonseca Lima ◽  
Thatiana de Vicente Leite ◽  
Alan Muniz Palialol ◽  
Anderson Catelan ◽  
Flávio Henrique Baggio Aguiar ◽  
...  
Keyword(s):  
Resin Composite ◽  
Resin Composites ◽  
Adhesive Systems ◽  
Surface Conditioning ◽  
Effect Of Surface

scholarly journals Bond strength repair of a bulk-fill composite using different adhesive systems and resin composites

2021 ◽  
Vol 10 (5) ◽  
pp. e31410514951
Author(s):  
Mariana Sati Cantalejo Tsutsumi ◽  
Terezinha Fatima de Souza ◽  
Victor Eduardo de Souza Batista ◽  
Larissa Sgarbosa de Araújo Matuda ◽  
Paulo Henrique dos Santos ◽  
...  
Keyword(s):  
Bond Strength ◽  
Resin Composite ◽  
Testing Machine ◽  
Surface Roughening ◽  
Control Group ◽  
Resin Composites ◽  
Single Bond ◽  
Adhesive Systems ◽  
Repair Procedure ◽  
Ultimate Bond Strength

In this study evaluated the effect of different adhesive systems and resin composites on the microtensile bond strength of repairs using a bulk-fill composite. Ninety specimens were prepared using a half-hourglass mold of composite Filtek Bulk Fill using a silicone matrix. Specimens were randomly distributed in 9 experimental groups (n=10) according to adhesive [Universal Single Bond (SBU), Scotchbond Multipurpose Adhesive (SBMP), and Single Bond 2 (SB2)] and resin composite (Filtek Bulk Fill, Aura Bulk Fill, and Filtek Z250). For control group, hourglass specimens were used to measure the ultimate bond strength. Specimens were submitted to thermal cycling (5,000 cycles, 5 and 55°C, 30s) to simulate the aging of restoration and then the repair procedure was performed. After the diamond-tipped surface roughening to be repaired, the adhesive protocol was performed according to group, the specimen was placed in an hourglass-shaped mold and the other half was filled with the repair composite. After 24h, bond strength of specimens was obtained by microtensile using a universal testing machine at a speed of 0.5mm/min. Data were statistically analyzed by two-way ANOVA, Tukey’s and Dunnett’s tests (α=0.05). SBU showed higher bond strength compared to SB2, while SBMP showed intermediate values. However, all experimental groups showed lower bond strength compared to ultimate bond strength. In conclusion, bulk-fill composite repair using universal or conventional solvent-free adhesive improved the adhesion independent of composite tested.

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