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001-es BibID:BIBFORM078596
035-os BibID:(WoS)000470110300008 (Scopus)85065424299
Első szerző:Martos Renáta (fogszakorvos)
Cím:A randomised controlled study on the effects of different surface treatments and adhesive self-etch functional monomers on the immediate repair bond strength and integrity of the repaired resin composite interface / Martos Renata, Hegedüs Viktória, Szalóki Melinda, Blum Igor R., Lynch Christopher D., Hegedüs Csaba
Dátum:2019
ISSN:0300-5712
Megjegyzések:Objectives: To evaluate the effects of different surface conditioning methods on the immediate repair bond strength and integrity of the repaired composite interface. Methods: One hundred and five resin composite blocks made of a nanohybrid resin composite were randomly assigned to one of the following surface conditioning groups (n=15/group): Group 1: Gluma Self Etch? adhesive system, Group 2: Tokuyama Bond Force II? adhesive system, Group 3: non-roughened and non-conditioned surfaces, Group 4: sandblasting and Gluma Self Etch?, Group 5: sandblasting and Tokuyama Bond Force II?, Group 6: sandblasting only. A positive control group was also used. Resin composite identical to the substrate was applied and the repaired specimens were subjected to shear bond strength (SBS) testing. Representative samples from all groups were subjected to scanning electron microscopy and surface profilometry to determine their mode of failure. The data were analysed statistically using Analysis of Variance (ANOVA) and two independent sample t test (?=0.05). Results: The mean SBS of all test groups ranged between 1.92 and 5.40 MPa and varied with the degree of composite surface roughness and the type of adhesive system employed. Significantly highest SBS values (5.40 ? 0.36 MPa) were obtained in Group 5 (p=0.017) which were comparable to the coherent strength of the resin composite in the positive control group (p>0.05). Conclusions: Under the tested conditions, significantly greater SBS of repaired resin composite was achieved when the substrate surface was conditioned by sandblasting followed by the application of the Tokuyama Bond Force II? adhesive system. Clinical significance: Effecting a repair of a nanohybrid composite restoration with sandblasting and the application of TBF II would seem to enhance the interfacial bond strength and integrity of the repaired resin composite interface. Clinical trials are necessary to determine the usefulness of this technique.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Nanohybrid composite repair
Minimally invasive dentistry
Shear bond strength
Megjelenés:Journal Of Dentistry. - 85 (2019), p. 57-63. -
További szerzők:Hegedűs Viktória (1986-) (fogorvos) Szalóki Melinda (1981-) (vegyész) Blum, Igor R. Lynch, Christopher D. Hegedűs Csaba (1953-) (fogszakorvos)
Pályázati támogatás:GINOP-2.3.2-15-2016-00011
GINOP
GINOP-2.3.2-15-2016-00022
GINOP
20428-3/2018/FEKUTSTRAT
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