Three-year performance of a nano-filled resin-modified glass ionomer cement in class II primary molar restorations

Dermata, A.; Papageorgiou, Spyridon N.; Kotsanos, Nikolaos

doi:10.1007/s40368-020-00574-2

Cited by 3 publications

(1 citation statement)

References 12 publications

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“…Glass ionomer cements with superior handling properties have been the material of choice to date. However, glass ionomer cements are more prone to occlusal wear [ 1 ] and mechanical strength of the same does not reach par with amalgam. Composite resins on the other hand, in spite of being technique sensitive are proven to exhibit superior mechanical and aesthetic properties.…”

Section: Introductionmentioning

confidence: 99%

Effect of shape of titanium dioxide nanofillers on the properties of dental composites

et al. 2023

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The main objective of the present study was to evaluate the effect of the morphology of titanium dioxide nanofillers on the flexural strength and shear bond strength of the dental composite. Spherical and rhombic-shaped nano titanium dioxide fillers were synthesized via solvothermal method and were characterized. Subsequently, these fillers were incorporated into a flowable composite (Filtek™ Z350 XT Flowable Restorative) at 0.5 wt.% and 1.5 wt.% and the prepared specimens were stored in water for 24 h. The specimens were then evaluated for flexural strength using a universal testing machine. Similarly, the shear bond strength of modified composites to the tooth was evaluated and bond failures were analyzed using stereomicroscope magnification. Incorporation of nanofillers significantly enhanced the flexural strength of flowable composite (p = 0.009) with a significant increase at 0.5wt.% of spherical (p = 0.015) and rhomboidal-shaped fillers (p = 0.010). However, no statistically significant difference in flexural strength was observed among the different shapes of nanofillers. The results of our study did not show a significant effect on the shear bond strength of the composites. Thus the reinforcing ability of titanium dioxide nanofillers on dental composite was confirmed in this study, although the effect of using nanofillers with different morphology was not significant. Graphical abstract

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Section: Introductionmentioning

confidence: 99%

Effect of shape of titanium dioxide nanofillers on the properties of dental composites

et al. 2023

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Updates on the clinical application of glass ionomer cement in restorative and preventive dentistry

Ge,

Yu-Hang Lam,

Chu

et al. 2024

Journal of Dental Sciences

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Finite Element Analysis of the Mechanical Performance of Non-Restorable Crownless Primary Molars Restored with Intracoronal Core-Supported Crowns: A Proposed Treatment Alternative to Extraction for Severe Early Childhood Caries

Thaungwilai

Tantilertanant

Singhatanadgit

et al. 2023

JCM

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Early childhood caries (ECC) involve extensive coronal tooth structure loss, and tooth reconstruction remains highly challenging. To fulfill preclinical assessment, the present study investigated the biomechanics of non-restorable crownless primary molars that were restored by stainless steel crowns (SSC) using different composite core build-up materials. Computer-aided design-integrated 3D finite element and modified Goodman fatigue analyses were performed to determine stress distribution, risk of failure, fatigue life and dentine–material interfacial strength for the restored crownless primary molars. A dual-cured resin composite (MultiCore Flow), a light-cured bulk-fill resin composite (Filtek Bulk Fill posterior), a resin-modified glass-ionomer cement (Fuji II LC) and a nano-filled resin-modified glass-ionomer cement (NRMGIC; Ketac N100) were used as core build-up composite materials in the simulated models. The finite element analysis showed that types of core build-up materials affected the maximum von Mises stress only in the core materials (p-value = 0.0339). NRMGIC demonstrated the lowest von Mises stresses and revealed the highest minimum safety factor. The weakest sites were along the central grooves regardless of type of material, and the ratio of shear bond strength to maximum shear stress at the core–dentine interface of the NRMGIC group was lowest among the tested composite cores. However, all groups provided lifetime longevity from the fatigue analysis. In conclusion, core build-up materials differentially influenced the von Mises stress (magnitude and distribution) and the safety factor in crownless primary molars restored with core-supported SSC. However, all materials and the remaining dentine of crownless primary molars provided lifetime longevity. The reconstruction by core-supported SSC, as an alternative to tooth extraction, may successfully restore non-restorable crownless primary molars without unfavorable failures throughout their lifespan. Further clinical studies are required to evaluate the clinical performance and suitability of this proposed method.

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Three-year performance of a nano-filled resin-modified glass ionomer cement in class II primary molar restorations

Cited by 3 publications

References 12 publications

Effect of shape of titanium dioxide nanofillers on the properties of dental composites

Effect of shape of titanium dioxide nanofillers on the properties of dental composites

Updates on the clinical application of glass ionomer cement in restorative and preventive dentistry

Finite Element Analysis of the Mechanical Performance of Non-Restorable Crownless Primary Molars Restored with Intracoronal Core-Supported Crowns: A Proposed Treatment Alternative to Extraction for Severe Early Childhood Caries

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