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Effect of light-curing time on light-cure/post-cure volumetric polymerization shrinkage and regional ultimate tensile strength at different depths of bulk-fill resin composites

Research output: Contribution to journalArticle

Standard

Effect of light-curing time on light-cure/post-cure volumetric polymerization shrinkage and regional ultimate tensile strength at different depths of bulk-fill resin composites. / Ide, Kurumi; Nakajima, Masatoshi; Hayashi, Juri; Hosaka, Keiichi; Ikeda, Masaomi; Shimada, Yasushi; Foxton, Richard M.; Sumi, Yasunori; Tagami, Junji.

In: Dental Materials Journal, Vol. 38, No. 4, 01.01.2019, p. 621-629.

Research output: Contribution to journalArticle

Harvard

Ide, K, Nakajima, M, Hayashi, J, Hosaka, K, Ikeda, M, Shimada, Y, Foxton, RM, Sumi, Y & Tagami, J 2019, 'Effect of light-curing time on light-cure/post-cure volumetric polymerization shrinkage and regional ultimate tensile strength at different depths of bulk-fill resin composites', Dental Materials Journal, vol. 38, no. 4, pp. 621-629. https://doi.org/10.4012/dmj.2018-279

APA

Ide, K., Nakajima, M., Hayashi, J., Hosaka, K., Ikeda, M., Shimada, Y., Foxton, R. M., Sumi, Y., & Tagami, J. (2019). Effect of light-curing time on light-cure/post-cure volumetric polymerization shrinkage and regional ultimate tensile strength at different depths of bulk-fill resin composites. Dental Materials Journal, 38(4), 621-629. https://doi.org/10.4012/dmj.2018-279

Vancouver

Ide K, Nakajima M, Hayashi J, Hosaka K, Ikeda M, Shimada Y et al. Effect of light-curing time on light-cure/post-cure volumetric polymerization shrinkage and regional ultimate tensile strength at different depths of bulk-fill resin composites. Dental Materials Journal. 2019 Jan 1;38(4):621-629. https://doi.org/10.4012/dmj.2018-279

Author

Ide, Kurumi ; Nakajima, Masatoshi ; Hayashi, Juri ; Hosaka, Keiichi ; Ikeda, Masaomi ; Shimada, Yasushi ; Foxton, Richard M. ; Sumi, Yasunori ; Tagami, Junji. / Effect of light-curing time on light-cure/post-cure volumetric polymerization shrinkage and regional ultimate tensile strength at different depths of bulk-fill resin composites. In: Dental Materials Journal. 2019 ; Vol. 38, No. 4. pp. 621-629.

Bibtex Download

@article{ec1cc847a74642a3926f98cc9380807f,
title = "Effect of light-curing time on light-cure/post-cure volumetric polymerization shrinkage and regional ultimate tensile strength at different depths of bulk-fill resin composites",
abstract = "The aim of this study was to investigate volumetric polymerization shrinkage (VS), using swept-source optical coherence tomography (SS-OCT), of bulk-fill composites with different light-curing strategies; immediately after light-irradiation and after 24 h, and to evaluate their regional ultimate tensile strength (UTS) at different curing depths. The immediate VS after photo-polymerization decreased when the curing light-curing time was reduced from 20 to 10 to 5 s. On the other hand, their VS values after 24 h significantly increased due to the post-cure polymerization, resulting in similar VS values at all the light-curing times. Five seconds light-curing decreased the regional UTS of resin composites after the 24 h period compared with the 10 and 20 s light-curing regimes; therefore, the remarkable progress of post-cure polymerization after light-curing for a short time would not lead to an improvement in the mechanical properties of resin composites. The influence of the light-curing time on the curing depth was dependent upon the bulk-fill composite material.",
keywords = "Bulk fill, Depth of cure, Optical coherence tomography, Ultimate tensile strength, Volumetric shrinkage",
author = "Kurumi Ide and Masatoshi Nakajima and Juri Hayashi and Keiichi Hosaka and Masaomi Ikeda and Yasushi Shimada and Foxton, {Richard M.} and Yasunori Sumi and Junji Tagami",
year = "2019",
month = jan,
day = "1",
doi = "10.4012/dmj.2018-279",
language = "English",
volume = "38",
pages = "621--629",
journal = "Dental Materials Journal",
issn = "0287-4547",
publisher = "Japanese Society for Dental Materials and Devices",
number = "4",

}

RIS (suitable for import to EndNote) Download

TY - JOUR

T1 - Effect of light-curing time on light-cure/post-cure volumetric polymerization shrinkage and regional ultimate tensile strength at different depths of bulk-fill resin composites

AU - Ide, Kurumi

AU - Nakajima, Masatoshi

AU - Hayashi, Juri

AU - Hosaka, Keiichi

AU - Ikeda, Masaomi

AU - Shimada, Yasushi

AU - Foxton, Richard M.

AU - Sumi, Yasunori

AU - Tagami, Junji

PY - 2019/1/1

Y1 - 2019/1/1

N2 - The aim of this study was to investigate volumetric polymerization shrinkage (VS), using swept-source optical coherence tomography (SS-OCT), of bulk-fill composites with different light-curing strategies; immediately after light-irradiation and after 24 h, and to evaluate their regional ultimate tensile strength (UTS) at different curing depths. The immediate VS after photo-polymerization decreased when the curing light-curing time was reduced from 20 to 10 to 5 s. On the other hand, their VS values after 24 h significantly increased due to the post-cure polymerization, resulting in similar VS values at all the light-curing times. Five seconds light-curing decreased the regional UTS of resin composites after the 24 h period compared with the 10 and 20 s light-curing regimes; therefore, the remarkable progress of post-cure polymerization after light-curing for a short time would not lead to an improvement in the mechanical properties of resin composites. The influence of the light-curing time on the curing depth was dependent upon the bulk-fill composite material.

AB - The aim of this study was to investigate volumetric polymerization shrinkage (VS), using swept-source optical coherence tomography (SS-OCT), of bulk-fill composites with different light-curing strategies; immediately after light-irradiation and after 24 h, and to evaluate their regional ultimate tensile strength (UTS) at different curing depths. The immediate VS after photo-polymerization decreased when the curing light-curing time was reduced from 20 to 10 to 5 s. On the other hand, their VS values after 24 h significantly increased due to the post-cure polymerization, resulting in similar VS values at all the light-curing times. Five seconds light-curing decreased the regional UTS of resin composites after the 24 h period compared with the 10 and 20 s light-curing regimes; therefore, the remarkable progress of post-cure polymerization after light-curing for a short time would not lead to an improvement in the mechanical properties of resin composites. The influence of the light-curing time on the curing depth was dependent upon the bulk-fill composite material.

KW - Bulk fill

KW - Depth of cure

KW - Optical coherence tomography

KW - Ultimate tensile strength

KW - Volumetric shrinkage

UR - http://www.scopus.com/inward/record.url?scp=85070848547&partnerID=8YFLogxK

U2 - 10.4012/dmj.2018-279

DO - 10.4012/dmj.2018-279

M3 - Article

C2 - 31178547

AN - SCOPUS:85070848547

VL - 38

SP - 621

EP - 629

JO - Dental Materials Journal

JF - Dental Materials Journal

SN - 0287-4547

IS - 4

ER -

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