Conditioning of root canals prior to dowel cementation with composite luting cement and two dentine adhesive systems

Liberman, R.; Ben-Amar, A; Urstein, M.; Gontar, G.; Fitzig, S.

doi:10.1111/j.1365-2842.1989.tb01383.x

Cited by 26 publications

(20 citation statements)

References 15 publications

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“…Recently developed dentin adhesives contribute to good marginal adaptation in dentin (Krejci et al, 1993a(Krejci et al, , 1994b. Furthermore, adhesive posts and composite cores were evaluated and described (Liberman et al, 1989;Tjan et al, 1991). Based on these developments, adhesive composite crown systems are now within reach.…”

Section: Introductionmentioning

confidence: 99%

Effects of Thermocycling and Occlusal Force on Adhesive Composite Crowns

1994

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The aim of this in vitro study was to provide first quantitative data on the marginal adaptation and the required load to fracture of adhesive composite crowns with and without adhesive composite cores. Eighteen caries-free extracted human premolars were restored using fine hybrid composite crowns with margins located entirely in dentin. Six crowns were adhesively luted to dentin stubs, six to endodontically treated teeth with adhesive titanium posts and adhesive composite cores, and six to adhesive composite cores without posts. Another ten unprepared teeth served as a control. All restored teeth were subjected to long-term occlusal and thermal stresses. The marginal adaptation was evaluated in the SEM before and after loading. Load to fracture was recorded at the end of the stress. Before stressing, 72.2 to 85.0%, and after stressing, 51.9 to 66.2% of "continuous margin" were recorded at the dentin-luting composite interface. The best results after stressing were achieved with crowns luted to adhesive composite cores without titanium posts. At the luting composite-composite crown interface, 61.6 to 88.7% of "continuous margin" before and 57.7 to 75.5% after stressing were recorded. The required load to fracture the restored teeth ranged from 72.0 to 89.2% of the unrestored, unloaded control. Adhesive composite cores without titanium posts yielded the best results.

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Section: Introductionmentioning

confidence: 99%

Effects of Thermocycling and Occlusal Force on Adhesive Composite Crowns

1994

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“…39,40 This has been examined in a study in which 40% polyacrylic acid, 35% phosphoric acid, citric acid and a more dilute solution (0.2%) of EDTA were used to remove the smear layer. 41 In this study when the composite resin was used alone without a dentine bonding agent no improvement in bond strength was achieved. The use of a dentine bonding agent significantly improved the retention of posts cemented with composite luting cement.…”

Section: Choice Of Luting Cementmentioning

confidence: 99%

“…The use of a dentine bonding agent significantly improved the retention of posts cemented with composite luting cement. 41 The logical progression has been to use adhesive resin luting cements such as 4-META based resins, C&B Metabond and Panavia EX. Panavia has been shown to be more retentive than zinc phosphate, glass-ionomer and polycarboxylate cements.…”

Section: Choice Of Luting Cementmentioning

confidence: 99%

Post and core systems, refinements to tooth preparation and cementation

2005

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“…Similar results have been observed by other authors (7,11). The combination of dentin bonding agents and resin-based cements has been shown to increase retention (12).…”

Section: Introductionmentioning

confidence: 99%

Effect of eugenol-based endodontic cement on the adhesion of intraradicular posts

et al. 2006

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The present study evaluated, in vitro, the influence of an eugenol-based endodontic sealer (EndoFill) on the adhesion of intra-radicular posts cemented with a resin-based cement (Enforce) ou a zinc phosphate cement. Twenty-four single-rooted maxillary canines were divided into 2 groups (n=12) and obturated with either gutta-percha points plus EndoFill or gutta-percha points alone (no cement). In each group, half of intracanal posts (n=6) were cemented with Enforce resin-based cement and half with zinc phosphate cement. Specimens were submitted to pull-out test in an Instron machine and tensile force was applied at a crosshead speed of 0.5 mm/min until post dislodgement. The maximum forces required for post removal was recorded (N) and means were submitted to statistical analysis by Kruskal-Wallis test (p<0.01). Posts cemented with zinc phosphate cement were significantly more retentive (353.4 N) than those cemented with Enforce (134.9 N) (p<0.01). Regarding the influence of the eugenol-based cement (EndoFill) on post retention, there was statistically significant difference (p<0.01) only between the groups cemented with Enforce, i.e., in the canals filled with EndoFill + guta-percha there was lower bond strength than in the canals filled with gutta-percha points alone (101.5 and 168.2 N, respectively). In conclusion, the zinc-phosphate-based cement showed greater post retention than the resin-based cement. The findings of this study suggest that the eugenol-containing sealer interfered with the adhesive properties of the resin-based cement.

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Conditioning of root canals prior to dowel cementation with composite luting cement and two dentine adhesive systems

Cited by 26 publications

References 15 publications

Effects of Thermocycling and Occlusal Force on Adhesive Composite Crowns

Effects of Thermocycling and Occlusal Force on Adhesive Composite Crowns

Post and core systems, refinements to tooth preparation and cementation

Effect of eugenol-based endodontic cement on the adhesion of intraradicular posts

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