Morphological categorization of acid-base resistant zones with self-etching primer adhesive systems

Inoue, Go; Nikaido, Toru; Sadr, Alireza; Tagami, Junji

doi:10.4012/dmj.2011-132

Cited by 12 publications

(8 citation statements)

References 19 publications

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“…The transmission electron microscopic (TEM) observation of the adhesive-dentin interface after acid-base challenge revealed that the ABRZ contained apatite crystals and possessed a dentin-like structure, more caries-resistant than normal dentin 30) . The ABRZ of CPB in the longterm was thicker and relatively more stable compared to CSE probably due to fluoride release 31,32) . The attributes of ABRZ could suggest that the bonding technology could reinforce affected dentin against acid-attack, and it was proposed that such a reinforced dentin could be called as "super dentin" 33,34) .…”

Section: Discussionmentioning

confidence: 99%

Mineral density, morphology and bond strength of natural versus artificial caries-affected dentin

et al. 2013

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This study aimed to investigate an artificial caries-affected dentin (ACAD) model for in vitro bonding studies in comparison to natural caries-affected dentin (NCAD) of human teeth. ACAD was created over 7 days in a demineralizing solution. Mineral density (MD) at different depth levels (0-150 µm) was compared between NCAD and ACAD by transverse microradiography. Micro-tensile bond strengths (µTBS) of two two-step self-etch adhesives to sound dentin, NCAD and ACAD were evaluated. Caries-affected dentin type was not a significant factor when comparing MD at different lesion levels (p>0.05). Under SEM, the dentinal tubules appeared occluded with crystal logs 1-2 µm in thickness in the NCAD; whereas they remained open in the ACAD. The µTBS to caries-affected dentin was lower than sound dentin, but was not affected by the type of caries (p>0.05). In spite of their different morphologies, the ACAD model showed similar MD and µTBS compared to NCAD.

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Section: Discussionmentioning

confidence: 99%

Mineral density, morphology and bond strength of natural versus artificial caries-affected dentin

et al. 2013

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“…6 Dent Mater J 2018; : -Additionally, the ABRZs created with fluoride-containing adhesive systems were thicker than those created with adhesives without fluoride 18) . The concentration of NaF in the adhesive resin thus influenced the amount of dentin structure remaining after acid-challenge 19) .…”

Section: Discussionmentioning

confidence: 99%

Influence of FCP-COMPLEX on bond strength and the adhesive–artificial caries-affected dentin interface

et al. 2018

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FCP-COMPLEX is a newly developed solution containing fluoride, calcium, and phosphoric acid that has the potential to reinforce caries-affected dentin. This study evaluated the effect of FCP-COMPLEX on micro-tensile bond strength (µTBS) and acid-challenge at the dentin-adhesive interface. FCP-COMPLEX, 2% NaF, and distilled water were applied to artificial caries-affected dentin (ACAD) and the effect on acid-induced damage after resin composite restoration was observed. Scanning electron microscopy and X-ray absorption fine structure (XAFS) were used to evaluate tooth morphology. The µTBS test revealed no effect of FCP-COMPLEX either immediately or after 3 months' storage. The area of acid damage in caries-affected dentin was reduced by FCP-COMPLEX. XAFS analysis revealed that absorbed fluorine on the surface would form CaF2. In conclusion, FCP-COMPLEX significantly reduced the damage of acidic attack at the ACAD-adhesive interface, while the µTBS value was maintained after storage.

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“…The funnel-shaped demineralization was observed in the TP/BF group after the acid-base challenge. Inoue et al reported that a 4-MET contained self-etch adhesive system, Unifil Bond, formed funnel-shaped erosion beneath the ABRZ after the acid-base challenge 18) . The formation of the funnel-shaped erosion may be due to dimethacrylate and TMPT filler included in the adhesive and low chemical reactivity of 4-META with HAp.…”

Section: Discussionmentioning

confidence: 99%

“…This study assessed the morphology of adhesive-dentin interface after acid-base challenge by scanning electron microscope (SEM) and transmission electron microscope (TEM) observation 13,14,17) . Meanwhile, fluoride-release from the self-etch adhesive systems played an important role to enhance the ABRZ formation [18][19][20] . Therefore, another purpose of this study was to evaluate the effects of NaF addition to the MMA-based filling material on dentin bonding performance and acid resistance at the interface.…”

Section: Introductionmentioning

confidence: 99%

Dentin bonding performance and interface observation of an MMA-based restorative material

Shinagawa

Inoue

Nikaido

et al. 2016

Dental Materials Journal

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The purpose of this study was to evaluate bonding performance and dentin interface acid resistance using a 4-META/MMA-TBB based restorative material (BF) compared to a conventional 4-META/MMA-TBB resin cement (SB), and the effect of sodium fluoride (NaF) addition to the materials. Dentin surfaces were treated with 10% citric acid-3% ferric chloride (10-3) or 4-META containing self-etching primer (TP), followed by application of BF or SB polymer powders with or without NaF, to evaluate microtensile bond strength (µTBS) in six experimental groups; 10-3/SB, 10-3/BF, TP/SB, TP/BF, TP/SB/NaF and TP/BF/NaF. SEM observation of the resin-dentin interface was performed after acid-base challenge to evaluate interfacial dentin resistance to acid attack. TP/BF showed highest µTBS, while NaF polymers decreased µTBS. TP/BF showed funnel-shaped erosion at the interface, however, NaF polymers improved acid resistance of interface. In conclusion, BF demonstrated high µTBSs and low acid-resistance at the interface. NaF addition enhanced acid resistance but decreased µTBS.

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Morphological categorization of acid-base resistant zones with self-etching primer adhesive systems

Cited by 12 publications

References 19 publications

Mineral density, morphology and bond strength of natural versus artificial caries-affected dentin

Mineral density, morphology and bond strength of natural versus artificial caries-affected dentin

Influence of FCP-COMPLEX on bond strength and the adhesive–artificial caries-affected dentin interface

Dentin bonding performance and interface observation of an MMA-based restorative material

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