An in vitro study of the effect of blood and saliva contamination on the bond strength of self-etch and total-etch adhesive systems to dentine

ALHussain, Hussa; ALUmairi, Kaltham; Alzahrani, Maha; Salman, Tagreed bin; Mathew, Shibu Thomas

doi:10.15761/ccrr.1000317

Cited by 4 publications

(3 citation statements)

References 7 publications

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“…According to the established criteria (continuous margins, gaps), the SEM analysis of the restoration/dentin/cementum interfaces of the three groups is presented in the following figures (figs. [4][5][6][7][8][9] Group RD Below CEJ We calculated the mean and standard deviation to compare the materials used according to established criteria (continuous margins, presence of gaps). It was found that among the three materials used for RD, RSD, RI at both the dentin and the cementum, there are no significant differences (RD/d = 0.661, RSD/d = 0.755, RSD/ c = 0.942; RI/d = 0.739; RI/c = 0.985).…”

Section: Resultsmentioning

confidence: 99%

“…Compared to ER adhesive systems, SE adhesive systems have some advantages over the lack of acid scaling as a separate step, so washing and dr ying after demineralization is eliminated, and clinical efficiency is improved by reducing working time. Elimination of washing and drying phases presents another advantage related to the elimination of postoperative sensitivity associated with adhesion to demineralized dehydrated dentine [7].…”

Section: Above Cejmentioning

confidence: 99%

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In vitro Comparative Study on the Marginal Adaptation of Direct, Semi-direct and Indirect Composite Resins Restorations to Dentine and Dental Cementum

Hodobet¹,

Pangică²,

Florescu³

et al. 2018

Rev. Chim.

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The aim of the present study is to compare the marginal adaptation of direct, semi-direct and indirect restorations made with nanofill and microhybrid composite materials and ormocers materials bonded with SE adhesives at the dentin and cementum. 120 standardized class II cavities were prepared (40 for each techniques- RD, RSD, RI) with the gingival margin over and below to the cementum-enamel junction. The teeth (n= 20) were restored using one of three adhesive systems (OptiBond XTR, G-Premio Bond bottle refill, Futurabond U) with incrementally placed composite restorations and ormocers. After applying the various restorations, the teeth were prepared for SEM analysis to check the marginal adaptation by the presence of continuous margins or gaps. Comparative analysis of treatment methods and materials used was performed by statistical analysis of Chi-square test data, the statistical significance was p [0.05 and Fisher�s Exact Test for validation of results. It was found that among the three materials used for RD, RSD, RI both at the dentin and the cementum, there are no significant differences (RD d = 0.661, RSD/d = 0.755, RSD/c = 0.942; RI/d = 0.739; RI/c = 0.985). Comparison between the presence of continuous margins/gaps subgingivally and supragingivally at the three types of restorations shows that there are significant differences between the marginal adaptation at the cementum and dentin to all the restoration techniques used (p [0.05). Direct and indirect restorations with nanocomposites and ormocers bonded with 1-step SE adhesive are the best solutions for restoring the posterior teeth.

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Section: Resultsmentioning

confidence: 99%

Section: Above Cejmentioning

confidence: 99%

In vitro Comparative Study on the Marginal Adaptation of Direct, Semi-direct and Indirect Composite Resins Restorations to Dentine and Dental Cementum

Hodobet¹,

Pangică²,

Florescu³

et al. 2018

Rev. Chim.

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“…In addition to blood, contamination with saliva is also common during dental treatments, which results in overwetting of dentin and contributes to decreasing the bond strength since saliva is composed of 99.5% water and 0.5% organic and inorganic compounds [7]. Moreover, large molecules and glycoproteins in saliva might accumulate on the tooth surface and prevent the adequate bond between the cement and tooth structures [8].…”

Section: Introductionmentioning

confidence: 99%

Effect of ER: YAG Laser Treatment on the Bond Strength of Self-adhesive Resin Cements on Contaminated and Non-contaminated Dentin Surface

Rafeie,

Rashidi,

Chiniforush

et al. 2023

TODENTJ

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Background: Nowadays, lasers are used to modify the surface of dentin and enamel and improve the surface bond with resin cement while contamination weakens this bond. Objective: This study aimed to evaluate the effect of different contamination types on the microshear bond strength (μSBS) of two self-adhesive resin cements to dentin with/without laser treatment. Methods: One-hundred and twenty molar teeth were prepared and randomly divided into three groups: blood, saliva, and control. In the blood group, blood was applied to the samples for 10 seconds; in the saliva group, saliva was applied to the samples for 10 seconds; and in the control group, distilled water was applied to the samples. Each group was further divided into two subgroups; in one, the Er: YAG laser was applied to samples for 5 seconds, and in the other, no laser treatment was performed. Next, TheraCem and Embrace WetBond cements were placed on each sample. μSBS was measured using a universal testing machine. Results: In Embrace WetBond, μSBS was not affected by contamination type regardless of laser treatment. In TheraCem, μSBS was not affected by contamination type when the laser was not used. In contrast, with laser treatment, blood contamination decreased μSBS compared to control and saliva. After laser treatment in the presence of blood, μSBS of Embrace WetBond was significantly higher than that of TheraCem, while without laser treatment, no significant difference was observed between the two cements. Conclusion: Dentin conditioning with an erbium laser can increase the cement bond strength to dentin if proper isolation is achievable. If proper isolation cannot be obtained, dentin conditioning with erbium laser followed by application of Embrace WetBond cement can increase the microshear bond strength of cement to dentin.

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Influence of different contaminants and cleansing agents on bond strength and in situ degree of conversion of composite-adhesive interface

Gaviolli

Vieira

Silva

et al. 2021

International Journal of Adhesion and Adhesives

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An in vitro study of the effect of blood and saliva contamination on the bond strength of self-etch and total-etch adhesive systems to dentine

Cited by 4 publications

References 7 publications

In vitro Comparative Study on the Marginal Adaptation of Direct, Semi-direct and Indirect Composite Resins Restorations to Dentine and Dental Cementum

In vitro Comparative Study on the Marginal Adaptation of Direct, Semi-direct and Indirect Composite Resins Restorations to Dentine and Dental Cementum

Effect of ER: YAG Laser Treatment on the Bond Strength of Self-adhesive Resin Cements on Contaminated and Non-contaminated Dentin Surface

Influence of different contaminants and cleansing agents on bond strength and in situ degree of conversion of composite-adhesive interface

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