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Influence of Novel Experimental Light-Cured Resin Cement on Microtensile Bond Strength

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Title: Influence of Novel Experimental Light-Cured Resin Cement on Microtensile Bond Strength
Authors: Kawamura, Midori Browse this author
Toida, Yu Browse this author
Hoshika, Shuhei Browse this author →KAKEN DB
Islam, Refat Readul Browse this author
Li, Yitong Browse this author
Yao, Ye Browse this author
Liu, Yunqing Browse this author
Islam, Rafiqul Browse this author →KAKEN DB
Sato, Takaaki Browse this author →KAKEN DB
Shimada, Yasushi Browse this author →KAKEN DB
Sano, Hidehiko Browse this author →KAKEN DB
Keywords: bond strength
resin cements
filler morphology
mechanical properties
Knoop hardness
Issue Date: 28-Sep-2022
Publisher: MDPI
Journal Title: Polymers
Volume: 14
Issue: 19
Start Page: 4075
Publisher DOI: 10.3390/polym14194075
PMID: 36236023
Abstract: The purpose of this study was to evaluate the microtensile bond strength (mu TBS) and Knoop hardness number (KHN) of a novel experimental light-cured resin cement (HL). Eighteen flat dentin surfaces of human molars were polished using #600 SiC paper and bonded to CAD/CAM resin blocks with the respective resin cements and composites: HL, Panavia V5 (PV), and Clearfil AP-X (AP). All specimens were stored in distilled water at 37 degrees C for 24 h and 7 days. Scanning electron microscope (SEM) and energy dispersive X-ray (EDX) observations were performed to evaluate filler morphology and to detect the elements. The resin cements had a significant effect on the immediate mu TBS (F = 22.59, p < 0.05) and after water storage mu TBS (F = 22.83, p < 0.05). Significant differences (p < 0.05) in the KHN between the tested materials were observed, and HL indicated the highest KHN when compared with PV. HL showed a combination of the regular-shaped filler and spherical-shaped filler within the matrix. Silicon was detected in HL from the EDX evaluation. HL exhibited better bonding performance and polymerization, which may have contributed to the improvement of the adhesive strength.
Type: article
Appears in Collections:歯学院・歯学研究院 (Graduate School of Dental Medicine / Faculty of Dental Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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