Various ways of pre-heating a bulk-fill thermoviscous composite in restoration in non-carious cervical lesions: 12-month randomized clinical trial

Favoreto, Michael Willian; Carneiro, Taynara de Souza; Wendlinger, Michel; Ñaupari-Villasante, Romina; Matos, Thalita de Paris; Kunz, Patricia Manozzo; Reis, Alessandra; Loguércio, Alessandro Dourado

doi:10.1007/s00784-023-05054-7

Cited by 3 publications

(1 citation statement)

References 69 publications

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“…The result of the study is related to the preheating device used, where the resin composite syringe was preheated by an active resin heat device at 68°C. A randomized clinical trial [29] evaluated the best method to preheat a composite resin; if using a Caps dispenser device associated with Caps Warmer (CD) or with a Viscalor Caps Dispenser/warmer (VD) for restorations in noncarious cervical lesions (NCCLs), preheating was carried out at 68°C. The different preheating methods did not in uence the clinical performance of thermoviscous bulk-ll composite restorations in NCCLs after 12 months.…”

Section: Discussionmentioning

confidence: 99%

The Impact of Repeated Preheating of Matrix Modifying Bulk Fill Resin Composite on Post-gel Polymerization Shrinkage Strain (in Vitro Study)

fathy,

Gamal,

Riad

2023

Preprint

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Background: This study evaluated the effect of repeated preheating cycles of matrix-modifying bulk fill resin composites on the postgel polymerization shrinkage strain. Methods: Forty resin composite specimens were prepared using a Teflon mold (7 mm length x 4 mm width x 2 mm height). Each specimen was linked to a strain gauge and strain monitoring equipment (Strain-Meter PCD-300A Kyowa-Electronic Instruments Co, LTD, Tokyo, Japan) for measuring the postgel polymerizationshrinkage strain (um/m) of the resin composite. Preheating of the resin composite syringe was accomplished using Active Resin Heat (temperature of 68°C). According to the number of preheating cycles of the resin composite syringes, the specimens were divided into four equal groups: P0 (control), resin composite packed and cured at room temperature [23 ± 1°C], P1: preheated once, P2: preheated twice and P3: preheated three times prior to packing and curing for 30 seconds according to the manufacturer’s instructions. Statistical analysis was performed using Shapiro‒Wilk test for normality. ANOVA single factor was used as the test of significance followed by Tukey Hsd/Kramer with the level of significance set at 0.05. Results: Data analysis revealed insignificant differences in the postgel polymerization shrinkage strain among all tested groups (p≥0.05). Conclusions: The repeated preheating cycles of matrix-modifying bulk-fill resin composites prior to curing had no adverse effect on the induced postgel polymerization shrinkage strain. Clinical Relevance: The results of this study confirmed that clinicians can consider repeatedly preheating resin composites in dental practices. The information of comparable performance regarding postgel polymerization shrinkage when applying preheated composites as room temperature cured resin composites could be of utmost significance as the same resin composite syringe can clinically undergo numerous preheating cycles before it is completely consumed with the advantage of a transient reduction in viscosity, improving restoration adaptability to the cavity. Its use in routine care can be considered a good practice.

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Section: Discussionmentioning

confidence: 99%

The Impact of Repeated Preheating of Matrix Modifying Bulk Fill Resin Composite on Post-gel Polymerization Shrinkage Strain (in Vitro Study)

fathy,

Gamal,

Riad

2023

Preprint

View full text Add to dashboard Cite

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Clinical performance of preheating thermoviscous composite resin for non-carious cervical lesions restoration: A 24-month randomized clinical trial

Favoreto,

Carneiro,

Ñaupari-Villasante

et al. 2024

Journal of Dentistry

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Color Match of a Universal-shade Composite Resin for Restoration of Non-carious Cervical Lesions: An Equivalence Randomized Clinical Trial

Miranda,

Favoreto,

Matos

et al. 2024

Operative Dentistry

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SUMMARY Purpose: The objective of this double-blind, split-mouth, randomized clinical trial was to evaluate the color match of a single-shade composite resin Admira Fusion X-tra in comparison with a multi-shade composite resin Admira Fusion in non-carious cervical lesion restorations (NCCLs). Methods and Materials: One hundred and twenty restorations were performed on NCCLs with two restorative materials (n=60). After prophylaxis, the teeth were isolated with a rubber dam, and one universal adhesive was applied in the selective enamel etching strategy. For both groups, the restorations were inserted incrementally and light-cured. The values of the coordinates L*, a*, and b* in the cervical third before vs after the restorations and cervical vs middle third after the restorations were evaluated using a digital spectrophotometer after the coordinate values were used to calculate the CIEDE (ΔE00). The restorations were evaluated at baseline and after 7 days of clinical performance according to the FDI criteria. Statistical analysis was performed using the Chi-square test for all parameters. Color change was analyzed by Student t-test for paired samples (α=0.05). Results: All restorations were evaluated after 7 days. Regarding the color measurement, no significant difference was observed when Admira Fusion was compared to Admira Fusion X-tra for any of the comparisons performed (p>0.05). However, the values of ΔE00 in the cervical third before vs after the restorations were higher when compared with ΔE00 observed when the cervical vs middle third after restorations were compared. All restorations received the score “clinically very good” after 7 days for all outcomes, including the subjective color match, when evaluated for FDI criterion. Conclusions: The single-shade composite resin used achieves the same color match when compared to a multi-shade composite resin after 7 days in NCCLs.

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Various ways of pre-heating a bulk-fill thermoviscous composite in restoration in non-carious cervical lesions: 12-month randomized clinical trial

Cited by 3 publications

References 69 publications

The Impact of Repeated Preheating of Matrix Modifying Bulk Fill Resin Composite on Post-gel Polymerization Shrinkage Strain (in Vitro Study)

The Impact of Repeated Preheating of Matrix Modifying Bulk Fill Resin Composite on Post-gel Polymerization Shrinkage Strain (in Vitro Study)

Clinical performance of preheating thermoviscous composite resin for non-carious cervical lesions restoration: A 24-month randomized clinical trial

Color Match of a Universal-shade Composite Resin for Restoration of Non-carious Cervical Lesions: An Equivalence Randomized Clinical Trial

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