Core Build-up Materials

Core build-up materials are used when there is not enough healthy tooth left for proper crown placement. Building up the core of the tooth with resin or plastic composites allows for better retention of the crown and reduced sensitivity while strengthening the tooth itself. Composition of core build-up materials should be close to that of dentin. Core build-up materials may be light-cured, self-cured or dual cured. A benefit of dual cure is the assurance of complete curing even in areas that may be hard to reach for the curing light. Curing times vary but are often completed within 5 minutes. Vendors often offer a compatible natural or opaque shade as well as a contrasting color for easy core identification. For easy application, many vendors offer auto-mix syringes with needle tips for perfect placement, many of these are self-adhesive, however be sure to inquire whether a bonding agent is needed. There are a multitude of core build-up products on the market, research and choose the product that will best fit in with your needs.
CompanyCentrixCentrixCentrixCentrixCentrix
ItemEncore D/C Automix Dual-Cure Core Build-Up MaterialConnexio 7th Generation Bonding SystemEncore AF Advanced Formula Self-Cure Composite Core Build-Up MaterialEncore D/C MiniMix Dual-Cure Core Build-Up MaterialRapidCore Self-Cure Core Build-Up Material
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DescriptionEncore D/C is a dual-cure composite core buildup material in an automix cartridge. Available with fluoride release and in natural and contrast shades.Connexio is a dual-cure, self-etching bonding system that creates a strong, resilient bond quickly and easily. Reinforced with nano-particles, Encore AF is a smoother, creamier version of the Encore self-cure composite core buildup material. The improved blend of hybrid glass filler syringes The single-dose Encore D/C MiniMix kit contains 36 cartridges. Each cartridge has two mixings nozzle and our exclusive needletip. Our product is dual-Simply inject RapidCore through the exclusive mixing nozzle needletip and you are ready to cut the prep in two minutes. Achieve high bond strengths
Quantity1 Cartridge (25 mL)
10 Dispensing Tips
10 Mixing Nozzles
1 Part A (3 mL)
1 Part B (3 mL)
1 Base (25 g)
1 Catalyst (25 g)
36 Single-Dose Cartridges (0.5 mL)
72 Mixing Nozzles
310136 / 310137 / 310138 - 1 Cartridge (25 mL), 10 Dispensing Tips, 10 Mixing Nozzles
310133 - 1 Cartridge (50 mL), 15 Dispensing Tips, 15 Mixing Nozzles
Cure TypeDual CureDual CureSelf CureDual CureSelf Cure
Compressive Strength32,249 psi (222.35 MPa)Not Available43,221 psi (298 MPa)32,198 psi (222 MPa)36,000 psi (248 MPa)
Set TimeChemical Cure - 5 minutes
Light Cure - 20 Seconds
10 seconds4 - 5 minutes40 seconds2 minutes
Other Core ComponentFluorideNot AvailableFluorideNot AvailableNot Available
Bonding Agent NeededYesYesYesNot AvailableYes
Bond StrengthNot Available5,700 psi (39.3 MPa)Not AvailableNot Available3,046 psi (21 MPa)
Tensile Strength7,034 psi (48.5 MPa)3,553 psi (24.5 MPa)6,817 psi (47 MPa)6,962 psi (48 MPa)Not Available
ShadesContrast Blue
Natural
Not AvailableNatural
White
Contrast Blue
Natural
Contrast
Natural
White
DispensingSyringeBottleSyringeSyringeNeedleTip
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