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Push-out bond strength of a self-adhesive resin cemented fibre posts to root canal dentine after Nd:YAG laser irradiation and Er:YAG and Er, Cr:YSGG laser activated irrigation (CROSBI ID 631885)

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Šimundić Munitić, Marija ; Bago Jurič, Ivona ; Glockner, Karl ; Lumnije, Kqiku ; Anić, Ivica Push-out bond strength of a self-adhesive resin cemented fibre posts to root canal dentine after Nd:YAG laser irradiation and Er:YAG and Er, Cr:YSGG laser activated irrigation // International endodontic journal / P.M.H. Dummer (ur.). 2016. str. 111-112

Podaci o odgovornosti

Šimundić Munitić, Marija ; Bago Jurič, Ivona ; Glockner, Karl ; Lumnije, Kqiku ; Anić, Ivica

engleski

Push-out bond strength of a self-adhesive resin cemented fibre posts to root canal dentine after Nd:YAG laser irradiation and Er:YAG and Er, Cr:YSGG laser activated irrigation

Aim To evaluate the effect of Nd:YAG laser irradiation, Er:YAG and Er, Cr:YSGG laser activated irrigation combined with QMiX or saline on the push-out bond strength of fibre posts cemented with a self-adhesive cement to root canal dentine. Methodology Eighty two single-rooted human permanent teeth were used. Root canals were instrumented with ProTaper Next instruments (Dentsply Maillefer, Switzerland) to an X3 instrument. Final irrigation protocol included 1 mL 2.5% NaOCl, 1 mL 17% EDTA for 1 min and 1 mL saline solution. Fibre-reinforced composite post preparations were created in previously filled root canals. The samples were divided into six experimental groups (n=12 each) according to the final pretreatment of root canal: I: Nd:YAG laser (pulse energy: 100 mJ, repetition rate: 10 Hz, medium power: 1.5 W) ; II: Er:YAG + saline solution (pulse energy: 20 mJ, repetition rate: 15 Hz, pulse duration: 50 μs) ; III: Er:YAG+ QMiX ; IV: Er, Cr:YSGG+ saline solution (pulse energy: 62.5 mJ, repetition rate: 20 Hz, pulse duration: 140 μs) ; V: Er, Cr:YSGG+ QMiX. Ten samples did not receive any pretreatment and served as positive controls. Fibre-reinforced posts were cemented with a self-adhesive cement (SpeedCEM, Ivoclar Vivadent, Liechtenstein) according to the manufacturer's instructions. The samples were cut into 2 mm thick parallel transverse sections and prepared for the push-out bond strength test in an universal testing machine. The results were analysed using the Kruskal-Wallis test. One sample from each group was used to show and evaluate the dentine surface after each pretreatment protocol by scanning electron microscopy. Results There were no significant differences in the push-out bond strength of the self adhesive cement among groups (p>0.05). The highest bond strength was recorded in the group Er:YAG laser + QMiX (mean 1.8 MPa). Conclusions Pretreatment of root canals with Nd:YAG laser, Er:YAG and Er, Cr:YSGG laser activated irrigation did not influence the bond strength of fibre posts cemented with a self- adhesive cement to root canal dentine.

fibre posts ; laser ; push out test

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Podaci o prilogu

111-112.

2016.

nije evidentirano

objavljeno

Podaci o matičnoj publikaciji

International endodontic journal

P.M.H. Dummer

0143-2885

1365-2591

Podaci o skupu

Nepoznat skup

poster

29.02.1904-29.02.2096

Povezanost rada

Dentalna medicina

Indeksiranost