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.
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Company | Centrix | Centrix | Centrix | Centrix | Centrix |
Item | Encore D/C MiniMix Dual-Cure Core Build-Up Material | Encore AF Advanced Formula Self-Cure Composite Core Build-Up Material | Encore D/C Automix Dual-Cure Core Build-Up Material | RapidCore MiniMix Self-Cure Paste Core Build-Up | RapidCore Self-Cure Core Build-Up Material |
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Description | 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- | Encore AF is a smoother, creamier version of the Encore self-cure composite core buildup material. The improved blend of hybrid glass filler syringes | Encore D/C is a dual-cure composite core buildup material in an automix cartridge. Available with fluoride release and in natural and contrast shades. | The first unit-dose, automix core buildup material with fluoride. This self-cure composite resin provides complete depth of cure, without light | Simply inject RapidCore through the exclusive mixing nozzle needletip and you are ready to cut the prep in two minutes. Achieve high bond strengths |
Quantity | 36 Single-Dose Cartridges (0.5 mL)
72 Mixing Nozzles | 1 Base (25 g)
1 Catalyst (25 g) | 1 Cartridge (25 mL)
10 Dispensing Tips
10 Mixing Nozzles | 310126 / 310127 / 310128 - 12 Cartridge, Mixing Nozzle (0.5 g)
310156 / 310157 / 310158 - 36 Cartridge, Mixing Nozzle (0.5 g) | 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 Type | Dual Cure | Self Cure | Dual Cure | Self Cure | Self Cure |
Compressive Strength | 32,198 psi (222 MPa) | 43,221 psi (298 MPa) | 32,249 psi (222.35 MPa) | 36,000 psi (248 MPa) | 36,000 psi (248 MPa) |
Set Time | 40 seconds | 4 - 5 minutes | Chemical Cure - 5 minutes
Light Cure - 20 Seconds | 2 minutes | 2 minutes |
Other Core Component | Not Available | Fluoride | Fluoride | Not Available | Not Available |
Bonding Agent Needed | Not Available | Yes | Yes | Optional | Yes |
Bond Strength | Not Available | Not Available | Not Available | 3,046 psi (21 MPa) | 3,046 psi (21 MPa) |
Tensile Strength | 6,962 psi (48 MPa) | 6,817 psi (47 MPa) | 7,034 psi (48.5 MPa) | Not Available | Not Available |
Shades | Contrast Blue
Natural | Natural
White | Contrast Blue
Natural | Contrast
Natural
White | Contrast
Natural
White |
Dispensing | Syringe | Syringe | Syringe | Syringe | NeedleTip |
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