Eclipse technical datasheet GB - DeguDent

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Technical Data and Clinical Overview6. Flexural PropertiesEclipse resins and the layered materials provide excellentflexural properties compared to commercially available andclinically effective materials. These findings have been confirmedby independent laboratory testing.Flexural Strength of Eclipse vs. conventional AcrylicsMaterial Flexural Strength Flexural ModulusMPaGPaEclipse Clear Base Plate Resin 123 3.3Eclipse Base Plate Resin 125 3.2Eclipse Set-Up Resin 123 3.1Eclipse Contour Resin 113 2.9Lucitone 199 ® 95 2.8Selectaplus 63 2.4Selectaplus H 74 2.67. Impact StrengthEclipse resins by themselves, as well as layered Eclipse resins,provide excellent impact properties compared to commerciallyavailable, clinically effective acrylic materials. These findingshave been confirmed by independent laboratory testing.Impact Strength of Eclipse vs. AcrylicsMaterial8. Appliance DesignUn-notched impact strengthkJ/m 2Eclipse Clear Resin 16.8Eclipse Base Plate Resin 14.7Eclipse Set-Up Resin 11.3Eclipse Contour Resin 7.3Eclipse Base Plate-Base Plate 16.3Eclipse Base Plate-Contour 9.6Lucitone 199 ® 9.8Selectaplus 1.9Selectaplus H 2.3An Eclipse appliance is essentially comprised of a layering ofthree materials: Base Plate, Set-Up and Contour Resin. Asmight be expected, the interface between the respectivematerials is critical in determining performance of a deviceconstructed in this manner. Flexural properties of layeredtest specimens are consistent with the properties of thecomponent materials and compare favorably with commondental resins. Moreover, extended hydrolytic testing (immersionin water) at elevated temperatures indicates that the layeredmaterials are stable, with no indication of delamination priorto or after destructive testing. Repairs are similarly stable andeffective.Flexural Properties – Layered EclipseMaterial Combination Flexural Deflection FlexuralStrengthModulusMPa mm GPaEclipse Base Plate/Contour 123 9.4 3.3Eclipse Base Plate/Base Plate 125 9.1 3.29. Hydrolytic StabilityHydrolytic testing shows that the flexural properties of Eclipseresins are effectively maintained upon extended periods ofimmersion in water at elevated temperatures.Flexural Properties of Hydrated EclipseMaterial Water Flexural Deflection FlexuralImmersion Strength ModulusPeriod MPa mm GPaEclipseBaseline 120 9.1 3.2Base Plate ResinHydrated for 132 9.4 3.3Eclipse15 mths at 37°Baseline 118 8.9 3.0Contour ResinHydrated for 125 9.1 3.215 mths at 37°Lucitone 199 ® Baseline 97 9.7 2.9Hydrated for 99 9.7 2.915 mths at 37°Flexural Properties of Layered Hydrated Eclipse RepairsMaterial Water Flexural Deflection FlexuralImmersion Strength ModulusPeriod MPa mm GPaBase Plate/Contour Baseline 123 9.4 3.3Hydrated for 130 9.1 3.312 mths at 37°Base Plate/Base Plate Baseline 125 9.1 3.2Hydrated for 139 9.1 3.412 mths at 37°Flexural Properties of Hydrated Eclipse RepairsMaterial Water Flexural Deflection FlexuralImmersion Strength ModulusPeriod MPa mm GPaBase Plate/ Baseline 117 9.7 3.1Base Plate RepairHydrated for 131 8.6 3.46 mths at 37°
10. Color StabilityAll four Eclipse materials, including Base Plate, Clear Base Plate,Set-Up and Contour Resins, comply with the UV color stabilityrequirements of the ADA 12 and ISO 1567 standards. Eclipseshade variants are also color stable.11. Stain ResistanceThe Eclipse chemistry is inherently resistant to common stainingchromophores that are consumed during eating and drinking.Good stain resistance was demonstrated with two commonstaining agents, coffee and mustard, in an internal acceleratedin-vitro stain test when appliances were properly polished. It isimportant to achieve a smooth surface when polishing theappliances since rough, unpolished areas may show slight stain,similar to conventional denture base materials.In-vitro mustard stain resistance is similar to Lucitone 199denture base material. Dentures, repairs and relines all showacceptable stain resistance.12. Plaque ResistanceSome Eclipse clinical case reviews from the clinical study haveshown that plaque growth on devices appears to be equal to orbetter than that of a typical acrylic appliance.13. Working TimeEclipse materials are designed to be light polymerized in aprocessing unit developed for this purpose. Accordingly, thesematerials are also sensitive to ambient light but have a minimum“working time” of 60 minutes under typical room illumination.You must avoid exposing Eclipse materials to direct sunlight priorto processing.14. Shelf LifeAll uncured Eclipse resins have a shelf life of two years whenstored at room temperature in light-safe conditions away fromdirect sunlight.Clinical OverviewA multi-site clinical study was conducted to assess fit, function,color stability, tissue compatibility, and overall patient acceptanceof Eclipse dentures, removable partial dentures and occlusalsplints.This study evaluated complete dentures, partial dentures, andocclusal splints in 145 patients as of August 2002, with somerestorations/appliances now over two years old. Thisinvestigation evaluated Eclipse appliances for fit, soft tissuecompatibility, resistance to breakage, tooth retention, as well aspatient acceptance, including aesthetic, feel, taste and hygieneperceptions.Data CollectedThe following data were collected for Full Dentures:• Tissue inflammation (DePaola Index)• Denture base fit and stability at try-in, insertion and recalls(modified Kapur Index)• Ease of tooth position adjustment (if needed)• Tissue reaction to unprocessed denture base material• Color stability at recalls• Evidence of allergical reaction at recalls• Other observations (debonds, textural changes, etc.)The following data were collected for Partial Dentures:• Tissue inflammation (DePaola Index)• Ease of tooth position adjustment (if needed)• Tissue reaction to unprocessed denture base material• Color stability at recalls• Evidence of allergical reaction at recalls• Other observations (debonds, textural changes, etc.)
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