2014
DOI: 10.1002/sca.21183
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Resin cement to indirect composite resin bonding: Effect of various surface treatments

Abstract: Debonding at the composite-adhesive interface is a major problem for indirect composite restorations. The aim of this study was to evaluate the bond strength (BS) of an indirect composite resin after various surface treatments (air-abrasion with Al2O3, phosphoric acid-etchig and different applications of NdYAG laser irradiations). Fifty composite disks were subjected to secondary curing to complete polymerization and randomly divided into five experimental groups (n = 10) including Group 1, untreated (control)… Show more

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Cited by 22 publications
(28 citation statements)
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“…26 It increases surface energy, wettability, surface roughness and irregularities which may augment the interlocking between the resin cement and the ceramic. 27,28 In the current study, the µTBS of the sandblasting surface treatment group was lower than that of the hydrofluoric acid treatment group. The fractured surface of the SB specimen examined by SEM Aging protocol 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 Non-thermocycled 13 3 0 1 12 3 11 5 0 6 10 0 5 11 0 Thermocycled 15 1 0 2 13 1 9 7 0 6 10 0 1 also revealed a relatively homogenous surface not deeply dented ( Table 2, Figure 2C), which might explain the lower bond strength values compared with the HF group.…”
Section: Discussioncontrasting
confidence: 50%
“…26 It increases surface energy, wettability, surface roughness and irregularities which may augment the interlocking between the resin cement and the ceramic. 27,28 In the current study, the µTBS of the sandblasting surface treatment group was lower than that of the hydrofluoric acid treatment group. The fractured surface of the SB specimen examined by SEM Aging protocol 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 Non-thermocycled 13 3 0 1 12 3 11 5 0 6 10 0 5 11 0 Thermocycled 15 1 0 2 13 1 9 7 0 6 10 0 1 also revealed a relatively homogenous surface not deeply dented ( Table 2, Figure 2C), which might explain the lower bond strength values compared with the HF group.…”
Section: Discussioncontrasting
confidence: 50%
“…The critical point in indirect and semidirect restorations is the bond between the composite resin and the tooth structure. 26 Study results show that air abrasion with aluminum oxide particles can improve the bond strength of the resin cement to the restoration 25,26,34,35 by increasing the surface area and its wettability and by eliminating contaminated areas. However, the clinician should take care with the restoration finishing lines and avoid sandblasting them.…”
Section: Discussionmentioning
confidence: 95%
“…Indirect composite inlays, onlays, and overlays with the semidirect technique described can be a conservative, cost-effective, and less time-consuming alternative to indirect restorations. 26 This technique is indicated for patients who need proper large reconstructions in posterior teeth in a short time and at a lower cost. The technique described eliminates the laboratory phase of indirect restorations, offering patients a single visit to the dental office, with no need for temporary restorations and use of only a single administration of oral anesthetic.…”
Section: Discussionmentioning
confidence: 99%
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