期刊
MATERIALS
卷 14, 期 13, 页码 -出版社
MDPI
DOI: 10.3390/ma14133639
关键词
universal adhesive; self-adhesive cement; push-out bond strength; fiber-reinforced resin post
类别
资金
- National Research Foundation of Korea (NRF) grant - Korea government (MSIT) [2018R1C1B5041276]
- National Research Foundation of Korea grant - Korea government [NRF-2018R1A1A1A05018328]
- Yonsei University College of Dentistry [6-2015-0104]
- National Research Foundation of Korea [2018R1C1B5041276] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This in vitro study aimed to evaluate the push-out bond strength of fiber-reinforced resin posts using self-adhesive cements with different adhesive systems. The results showed no significant difference in bond strength between the different groups, indicating that the use of self-adhesive cements with or without adhesive bonding did not result in statistically different values.
The purpose of this in vitro study was to evaluate the push-out bond strength of fiber-reinforced resin posts using self-adhesive cements with different adhesive systems. A total of 50 single-rooted human maxillary premolars with fully developed apices and 15-16 mm straight root canals were selected. The teeth were divided into 10 groups with coronal and apical parts according to the adhesive bonding system and luting material used: one universal adhesive with MDP-containing self-adhesive resin cement; another universal adhesive with MDP-containing self-adhesive resin cement; universal primer with MDP-containing self-adhesive resin cement; universal primer with dual-cure resin cement; MDP-containing self-adhesive resin cement only (Control). Each specimen was subjected to a fatigue load of 600,000 cycles using a chewing simulator with sliding movement and cut horizontally for push-out bond strength testing. Statistical evaluation consisted of a one-way ANOVA test using SPSS v23.0. The highest bond strength (7.05 MPa) was obtained in the coronal part of the Single Bond universal group treated with MDP-containing self-adhesive resin cement and the lowest strength (4.77 MPa) was observed in apical part of MDP-containing self-adhesive resin cement group (Control). However, the one-way ANOVA results showed no significant difference between all 10 groups (p > 0.05). The self-adhesive cement without adhesive bonding showed no statistically different value compared to self-adhesive cements with adhesive bonding.
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