Shear bond strength of luting cements to fixed superstructure metal surfaces under various seating forces
The Journal of Advanced Prosthodontics
;
: 340-346, 2018.
Article
in English
| WPRIM
| ID: wpr-742059
ABSTRACT
PURPOSE:
In this study, the shear bond strengths (SBS) of luting cements to fixed superstructure metal surfaces under various seating forces were investigated. MATERIALS ANDMETHODS:
Seven different cements [Polycarboxylate (PCC), Glass-Ionomer (GIC), Zinc phospahate (ZPC), Self-adhesive resin (RXU), Resin (C&B), and Temporary cements ((RXT) and (TCS))] were bonded to a total number of 224 square blocks (5×5×3 mm) made of one pure metal [Titanium (CP Ti) and two metal alloys [Gold-Platinum (Au-Pt) and Cobalt-Chrome (Co-Cr)] under 10 N and 50 N seating forces. SBS values were determined and data were analyzed with 3-way ANOVA. Pairwise comparisons and interactions among groups were analyzed with Tukey's simultaneous confidence intervals.RESULTS:
Overall mean scores indicated that Co-Cr showed the highest SBS values (1.96±0.4) (P .05). The PCC cement showed the highest mean SBS score (3.59±0.07) among all cements tested (P < .00), while the resin-based temporary luting cement RXT showed the lowest (0.39±0.07) (P < .00).CONCLUSION:
Polycarboxylate cement provides reliable bonding performance to metal surfaces. Resin-based temporary luting cements can be used when retrievability is needed. GIC is not suitable for permanent cementation of fixed dental prostheses consisting of CP Ti or Au-Pt substructures.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Polycarboxylate Cement
/
Zinc
/
Cementation
/
Dental Prosthesis
/
Alloys
/
Metals
Language:
English
Journal:
The Journal of Advanced Prosthodontics
Year:
2018
Type:
Article
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