An in-vitro investigation of the bond strength of experimental ion-releasing dental adhesives to caries-affected dentine after 1 year of water storage

Cascales, Álvaro Ferrando; Moscardó, Agustín Pascual; Toledano, Manuel; Banerjee, Avijit; Sauro, Salvatore

doi:10.1016/j.jdent.2022.104075

Cited by 8 publications

(1 citation statement)

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“…Both cements used in this study induced an increase in MD values after the experimental period, although ZPC showed higher values compared to GIC. The nature and the process of the mineral formation in this tissue are still unknown, but it seems that an important role was played by ions released from the tested materials, which may have reinforced the dental tissue [Giannini and Sauro, 2021;Cascales et al, 2022].…”

Section: Discussionmentioning

confidence: 99%

Dentine Mineral Changes Induced by Polyalkenoate Cements after Different Selective Caries Removal Techniques: An in vitro Study

et al. 2023

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This study aimed at evaluating the mineral variation induced by polyalkenoate cements in residual dentine after different caries removal methods. Ten extracted sound molars were selected, and five cavities were prepared on the occlusal surface of each specimen. Carious lesions were generated using a microbial protocol, while the caries removal was performed using bur, hand excavator or two papain-based chemo-mechanical agents. One cavity was left unexcavated in each tooth. Cavities were restored using a zinc polycarboxylate cement (ZPC; n=25) or a glass ionomer was used (GIC; n=25). Subsequently, the specimens were stored under simulated pulpal pressure for 45 days. Micro-CT scanning was performed after caries formation, removal, and restoration. Cavity volumes (mm3) and mineral density (MD) changes were calculated. Remineralisation ability was investigated by scanning electron microscopy (SEM) and Fourier-transformed infrared spectroscopy (FTIR). Statistical analysis was performed (5% significance level). Baseline caries, cavity volume and MD increase after caries removal was similar for all excavation groups (p>0.05). MD was higher in ZPC compared to GIC (p<0.05). SEM revealed that the chemo-mechanical techniques produced a smoother dentine surface compared to mechanical methods. FTIR showed silicon-based minerals in GIC-treated dentine while ZPC-treated presented mineral deposits characterised by amorphous calcium phosphate. In both cases, the presence of carbonates was detected on dentine surfaces. All caries removal techniques performed similarly in terms of carious dentine excavation. ZPC can be used as dentine replacement material after caries removal as it may induce higher MD increase in residual dentine via deposition of calcium-phosphates, compared to GIC.

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Section: Discussionmentioning

confidence: 99%