Effect of interim cement application on bond strength between resin cements and dentin: Immediate and delayed dentin sealing

Brigagão, Vinicius; Barreto, Luis F.D.; Gonçalves, Kellem A.S.; Amaral, Marina; Vitti, Rafael Pino; Neves, Ana Christina Claro; Silva-Concílio, Laís Regiane

doi:10.1016/j.prosdent.2016.09.015

Cited by 16 publications

(23 citation statements)

References 18 publications

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“…Conversely, another study demonstrated that RelyX U100 confers less nanoleakage than conventional resin cement, and that it produces adhesive interfaces that are better sealed 3 . Furthermore, dentine pre-treatment with polyacrylic acid improves the microtensile bond strength of RelyX Unicem 18,21 , decreasing the surface energy and enhancing adhesion to dentine 22 . Selective etching of dentine with phosphoric acid prior to luting results in the most effective bonding of all self-adhesive resin cements, suggesting that bonding can be achieved with self-adhesive resin cements without any pre-treatment steps, such as etching, priming, or bonding, which, according to the manufacturers, can compromise bonding ability 10 .…”

Section: Discussionmentioning

confidence: 99%

Ultramorphology of pre-treated adhesive interfaces between self-adhesive resin cement and tooth structures

Pereira

Daleprane

Miranda

et al. 2017

Rev. odontol. UNESP

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Introduction Convencional resin cements can be used in combination with a total-etch system in a conventional mode or as self-adhesive resin cements. The latter are less technique sensitive and able to bond to dental tissues without previous treatment or adhesive layer and requires only a single step to be applied to dental structures. Objective To compare qualitatively the adhesive interfaces of two self-adhesive resin cements and one conventional resin cement after different tooth surface treatments under scanning electron microscopy. Material and method 42 crowns of bovine incisors were sectioned and flattened exposing enamel (E) or dentine (D) substrate. Subgroups were defined according to conditioning type and time: E1—no treatment, E2—37% phosphoric acid for 15 seconds, E3—37% phosphoric acid for 30 seconds; D1—no treatment, D2—37% phosphoric acid for 5 seconds; D3—11.5% polyacrylic acid for 15 seconds. A resin block was bonded to each substrate using the self-adhesive resin cements RelyX U100 (3M ESPE) and RelyX U200 (3M ESPE). As a reference hybrid layer, six resin blocks were luted with RelyX ARC and Scotchbond Multi-Purpose adhesive system (3M ESPE) (enamel—EA; dentine—DA). After aging for 7 days in a moist environment at 37±1°C, samples were prepared for microscopy analysis. Result and Discussion In the ARC specimens, there was hybrid layer formation in both EA and DA. U100 E1 showed gaps at the adhesive interface, while E2 and E3 showed interaction for both self-adhesive cements. There was superficial interaction with bothU100 and U200 in D1, while in D2 and D3, resin tags were only observed in the case of U100. Conclusion It was concluded that substrate conditioning may enhance the interaction between self-adhesive resin cements and dental tissues, although this is not the case for RelyX U200 and dentine.

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Section: Discussionmentioning

confidence: 99%

Ultramorphology of pre-treated adhesive interfaces between self-adhesive resin cement and tooth structures

Pereira

Daleprane

Miranda

et al. 2017

Rev. odontol. UNESP

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“…Previous studies on the efficacy of both IDS approaches and PA pretreatment were all dentin bond strength assessments (9,(19)(20)(21)(22)(23). These tests were performed on flat small-surface areas of tooth structure; therefore, the effects of more complex inlay cavity and related C-factor and compliance of cavity design were not involved.…”

Section: Discussionmentioning

confidence: 99%

“…Recently, the higher bond strength of SA cement was reported following IDS and DDS techniques with a universal adhesive in self-etch (SE) mode, although IDS was more significantly effective (21). Resin sealing of dentin with two-step SE increased bond strength of a self-adhesive cement (19).…”

Section: Discussionmentioning

confidence: 99%

“…It is well known that the acid etching improves the enamel bonding, but it adversely affects the dentin bond strength (2)(3)(4). However, a previous study (Brigagão et al) indicated that in the case of DDS technique, rinsing after etching (with acid or polyacrylic) could remove contaminants from the temporary cement and improve adhesion and bond strength to dentin (21). Moreover, since the bio-modification effect of PA is on demineralized dentin, it might not be applicable with SE adhesives (15).…”

Section: Discussionmentioning

confidence: 99%

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Effect of proanthocyanidin mediated immediate and delayed dentin sealing on the strength of premolars restored with composite resin inlay

Shafıei¹,

Aghaei²,

Jowkar³

2020

J Clin Exp Dent

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Background: Immediate dentin sealing (IDS) with proanthocyanidin (PA) could be used before cementation with a self-adhesive (SA) cement. The aim of this study was to assess the effect of PA treatment on acid-etched dentin before adhesive application, in IDS and delayed dentin sealing (DDS), on the strengthening property of SA-cemented composite resin inlay in premolars. Material and Methods: Eighty-four maxillary premolars were divided into 7 groups (n=12): 1) (Intact) Sound teeth served as controls; groups 2-7) After cavity preparation and fabrication of composite resin inlay, temporary inlays were made and cemented. After one week, the inlays were removed and composite inlays were luted with a self-adhesive resin cement as follows: 2) (SA) Without dentin-pretreatment; 3) (DDS) Etch-and-rinse adhesive before the cementation; 4) (DDS/PA) PA treatment of acid-etched dentin before the adhesive, followed by the cementation; 5) (Etch/PA) PA treatment of acid-etched dentin before the cementation; 6 and 7) (IDS and IDS/PA) Application of IDS without or with PA treatment, respectively, one week before the cementation. After thermo-mechanical aging, fracture resistance (FR) was tested. Data were analyzed using one-way ANOVA and Tamhane tests (α=0.05). Results: There was a significant difference between the study groups (P < 0.001). The IDS and IDS/PA groups yielded significantly higher FR compared to the SA group (P ≤ 0.003), but the DDS, DDS/PA and Etch/PA groups did not differ from the SA group (P > 0.05). The effect of PA on FR in the IDS and DDS techniques was not significant. Conclusions: IDS with or without PA treatment considerably improved the strength of premolars with self-adhesive-cemented inlay, while the value of only IDS with PA treatment reached the level of the sound teeth.

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“…These new adhesives are known as "universal" adhesives, as they can be used as self-etch adhesives, etch-and-rinse adhesives, or with a selective enamel etching approach [16]. Universal adhesives have been realized to incorporate all possible techniques for the treatment of the dentin/enamel/restoration surface using a single product [16,17] and are used in combination with a resin cement [18].…”

Section: Palavras-chavementioning

confidence: 99%

Effect of immediate dentin sealing, bonding technique, and restorative material on the bond strength of indirect restorations

Sag

Bektaş

2020

BDS

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Objective: The objective of this study was to evaluate the effect of immediate dentin sealing, bonding technique, and restorative material on the dentin bond strength of an indirect composite (Solidex) and a resin nanoceramic CAD/CAM block (LAVA Ultimate). Material and Methods: A total of 120 periodontally extracted human molar teeth were abraded horizontally and divided into two groups according to dentin sealing procedures (delayed dentin sealing [DDS] and immediate dentin sealing [IDS]). Next, all teeth were attached to a simulated pulpal pressure mechanism. The specimens were removed from the mechanism after a week. Teeth were subdivided into three groups based on the bonding technique and the type of cement used (Acid-etching + Single Bond Universal + RelyX Ultimate, Single Bond Universal + RelyX Ultimate, RelyX Unicem). Each subgroup was further divided into 2 subgroups according to the type of restorative material used (Solidex [n=10], Lava Ultimate CAD/CAM restorative material [n=10]).. Sixty cylindrical samples prepared using both the restorative materials were bonded to the tooth surface according to their group’s bonding procedures. All specimens were embedded in chemically cured acrylic resin for shear bond strength test. The shear bond strength (SBS) of the specimens was determined by a universal testing machine with a headspeed of 0.5 mm/min. Results: Three-way ANOVA, independent-sample t test and post hoc Tukey comparison tests (α=0.05) were performed on all data. There were significant differences between the groups. It was found that IDS process significantly increased bond strength in all groups. When dentin bond strengths of tested luting cements were compared, the highest bond strength values were recorded in groups in which the specimens were luted with RelyX Ultimate cement using etch-and-rinse technique. The lowest bond strength values were obtained from groups that used RelyX Unicem as the luting cement. Conclusions: IDS improves bond strength of indirect restorations. Moreover, bonding techniques may have critical effects on the dentin bond strength of indirect restorative materials. The cements’ specific affinity levels to both restorative materials and dentin could be considered as the reason of the situation.KEYWORDSIDS; Luting cement; Shear bond strength; Resin nanoceramic; CAD/CAM.

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Effect of interim cement application on bond strength between resin cements and dentin: Immediate and delayed dentin sealing

Cited by 16 publications

References 18 publications

Ultramorphology of pre-treated adhesive interfaces between self-adhesive resin cement and tooth structures

Ultramorphology of pre-treated adhesive interfaces between self-adhesive resin cement and tooth structures

Effect of proanthocyanidin mediated immediate and delayed dentin sealing on the strength of premolars restored with composite resin inlay

Effect of immediate dentin sealing, bonding technique, and restorative material on the bond strength of indirect restorations

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