Effect of Resin Coating as a Means of Preventing Marginal Leakage beneath Full Cast Crowns

Kosaka, S; Kajihara, Hirotada; Kurashige, Hisanori; Tanaka, Takuo

doi:10.4012/dmj.24.117

Cited by 18 publications

(17 citation statements)

References 27 publications

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“…The continual development of bonding agents has provided a significant increase in restorative options and the introduction of new techniques to control these factors. Thus, a new technique has been proposed, called the Resin Coating Technique (RCT) 15) , which protects the dentin right after cavity preparation, improving bonding quality between resin cement and dentin and better marginal adaptation 11) . It consists of sealing the dentin with an adhesive system followed by a "liner" (hydrophobic monomer or low viscosity composite) after cavity preparation and should be applied before taking the impression.…”

Section: Original Articlementioning

confidence: 99%

Effect of Resin Coat Technique on Bond Strength of Indirect Restorations after Thermal and Load Cycling

Feitosa

Medina

Puppin-Rontani

et al. 2010

Bull. Tokyo Dent. Coll.

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Objective: To evaluate the ability of the resin-coat technique used in cavity preparation to protect dentin before impression taking and final cementation and its effect on the tensile bond strength of indirect restorations after thermal and load cycling. Methods: Occlusal enamel was removed from 25 third molars to expose flat dentin. Teeth were divided into 5 groups (n‫:)5ס‬ G1, receiving no dentin sealing (control group); G2, dentin was hybridized with all-in-one self-etch adhesive (Clearfil S3); G3, receiving combination of a one-step self-etch adhesive and low viscosity resin (Clearfil Protect Liner); G4, dentin was hybridized with "two-step" self-etch adhesive (Clearfil SE Bond); and G5, combination of a "two-step" adhesive system and low viscosity resin was applied. After dentin sealing, indirect restorations were performed with Sinfony system and cementation with dual-cure resin cement (Panavia F). Restored teeth were submitted to thermal (1,500 cycles) and mechanical cycling (200,000 cycles). After this they were sectioned into sticks ‫1ן1(‬ mm, approximately) and then subjected to microtensile bond strength testing. Results: all data were submitted to ANOVA and Tukey test (pϽ0.05). Mean values (MPa) obtained were G1, 9.5; G2, 9.2; G3, 14.8; G4, 12.2; and G5, 17.4. Statistical analysis showed differences between groups, with G5 performance being higher than that of the other groups. Conclusion: when no resin coating-technique was used to protect dentin, lower bond strength values were obtained than those in the other groups. The combination of a "two-step" self-etch adhesive system and low viscosity resin promoted the best bond strength values.

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Section: Original Articlementioning

confidence: 99%

Effect of Resin Coat Technique on Bond Strength of Indirect Restorations after Thermal and Load Cycling

Feitosa

Medina

Puppin-Rontani

et al. 2010

Bull. Tokyo Dent. Coll.

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“…Thin-film coating materials have been developed through the technology of all-in-one adhesive systems; the coatings were used to seal the exposed dentin after cavity and crown preparation 6) . It was also reported that the thin-film coating with an all-in-one adhesive system could prevent marginal leakage beneath full cast crown 7) and improve the bond strength of resin cement to dentin [8][9][10] . While the use of various resin-based restorative materials 5) have been suggested as protective layers for exposed dentin surfaces, a durable thinfilm coating should bear advantages over conventional restoration procedures in terms of minimal invasiveness, ease of application and reduced complications associated with restoration margins 11) .…”

Section: Introductionmentioning

confidence: 99%

Resistance of dentin coating materials against abrasion by toothbrush

et al. 2013

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Thin-film coating of root dentin surface by all-in-one adhesives has been shown to be an effective option to prevent root surface caries. The purpose of this study was to investigate the wear resistance against toothbrush abrasion of two all-in-one coating materials; Shield Force (SF) and Hybrid Coat (HC). Bovine dentin surfaces were covered with one of the coating materials; SF or HC. After storage in water for 24 h, the testing surface was subjected to the toothbrush abrasion test up to 50,000 cycles either in water or toothpaste slurry. The remaining thickness of the coating material was measured using SEM. Toothpaste slurry significantly increased rate of tooth brush abrasion of the coating materials. While SF and HC wore at a similar pace under toothbrush abrasion, SF had a thicker coat and could protect dentin longer, up to 50,000 cycles.

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“…Application of the coating material can create a thin coating layer with less than 10 µm in thickness on the dentin surface, which is useful for the resin coating materials of the crown preparation (Figure 7). It was demonstrated that the thin-film coating material improved the dentin bonding performance of resin cement, and prevented marginal leakage beneath the restorations [12,19,29].…”

Section: Development Of Thin Film Coating Materialsmentioning

confidence: 99%

“…This technique is beneficial in improving the dentin adhesion of a resin cement for indirect restorations and enhancing marginal integrity [18,19]. However, selection of the coating material influences immediate dentin bonding performance [20] and also dentin bonding durability [21,22].…”

Section: Resin Coating Technique In Indirect Restorationmentioning

confidence: 99%

Protection and Reinforcement of Tooth Structures by Dental Coating Materials

et al. 2012

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It has been proposed that a resin coating can serve as a means to protect dental structure after preparation of the tooth for indirect restorations, sealing the exposed dentin. The resin coating is applied on the cut surfaces immediately after tooth preparation and before making an impression by assembling a dentin bonding system and a flowable composite. Resin coatings minimize pulp irritation and improve the bond strength between a resin cement and tooth when bonding the restoration to tooth. Recently, thin-film coating dental materials based on all-in-one adhesive technology were introduced for resin coating of indirect restorations. The thin coating materials are applied in a single clinical step and create a barrier-like film layer on the prepared dentin. The thin coatings play an important role in protecting the dentin from physical, chemical, and biological irritation. In addition, these thin-film coating materials reportedly prevent marginal leakage beneath inlays or crown restorations. In light of the many benefits provided by such a protective layer, these all-in-one adhesive materials may therefore also have the potential to cover exposed root dentin surfaces and prevent caries formation. In this paper, recent progress of the dental coating materials and their clinical applications are reviewed. OPEN ACCESSCoatings 2012, 2 211

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Effect of Resin Coating as a Means of Preventing Marginal Leakage beneath Full Cast Crowns

Cited by 18 publications

References 27 publications

Effect of Resin Coat Technique on Bond Strength of Indirect Restorations after Thermal and Load Cycling

Effect of Resin Coat Technique on Bond Strength of Indirect Restorations after Thermal and Load Cycling

Resistance of dentin coating materials against abrasion by toothbrush

Protection and Reinforcement of Tooth Structures by Dental Coating Materials

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