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.
CompanyGC America Inc.GC America Inc.GC America Inc.GC America Inc.GC America Inc.
ItemGC Fuji II Glass Ionomer RestorativeGC Fuji II LC Glass Ionomer RestorativeGC Fuji IX GP EXTRA Packable Glass IonomerGC Fuji IX GP FAST Packable Posterior RestorativeMiracle Mix Metal-Reinforced Crown and Core Build-Up
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DescriptionGC Fuji II is a self-cured, glass ionomer restorative featuring high resistance to water which can be finished in just 15 minutes (under water spray).GC Fuji II LC has smaller glass particles which allow greater density and assures a smoother, glossier, more attractive finish. The harder material While maintaining the ample working time of Fuji IX GP FAST (1 1/4 minutes), Fuji IX GP EXTRA allows final finishing in only 2 1/2 minutes from GC Fuji IX GP FAST is the fast setting version of GC Fuji IX GP, a strong, wear-resistant multipurpose glass ionomer restorative. This product Miracle Mix offers the proven formula of glass ionomer cement with 100% fine, silver alloy powder for lasting core build-ups, block-outs and repair.
Quantity000101 / 000102 / 000103 - 1 Bottle Liquid (8 mL), 1 Bottle Powder (15 g), Measuring Scoop, Mixing Cup
000113 - 10 Capsules (5 Each of #21 and #26), 30 Capsules (10 Each of #22, #22.5, #23M)
436400 - 25 Powder (0.33 g) / Liquid (0.085 mL) Capsules (5 Each of A1, A2, A3, B2, C2)
436700 - 25 Powder (0.33 g) / Liquid (0.085 mL) Capsules (5 Each of A3.5, A4, B3, B4, C4)
1 Cavity Conditioner (5.2 mL)
1 Fuji COAT LC (5.7 mL)
50 Capsules (10 Each of A2, A3, A3.5, B1, B3)
Capsule Applier
1 Cavity Conditioner (5.7 mL)
1 GC Fuji Coat LC (5.2 mL)
50 Capsules (10 Each of A2, A3, A3.5, B2, B3)
Capsule Applier
000124 - 50 Capsules
000239 - 1 Alloy Powder (17 g), 1 Liquid (10 g), 1 Powder (15 g)
Cure TypeSelf CureLight CureSelf CureSelf CureSelf Cure
Compressive StrengthNot AvailableNot AvailableNot Available38,870 psi (268 MPa)Not Available
Set Time000101 / 000102 / 000103 - 5 minute 30 seconds
000113 - 2 minutes 20 seconds
20 seconds2 minutes2 minutes000124 - 5 minutes
000239 - 5 - 5.5 minutes
Material TypeGlass IonomerGlass IonomerPackable Glass IonomerPackable Glass IonomerSilver Alloy Glass Ionomer
Bonding Agent NeededNot AvailableNot AvailableYesYesNot Available
Bond StrengthNot AvailableNot AvailableNot AvailableBovine Dentin - 841 psi (5.8 MPa)
Bovine Enamel - 957 psi (6.6 MPa)
Not Available
Tensile StrengthNot AvailableNot AvailableNot Available3,336 psi (23 MPa)Not Available
Shades#21 (Pale Yellow)
#22 (Yellow Brown)
#22.5 (Gray Brown)
#23 (Dark Gray)
#23M (Deep Gray)
#26 (Deep Brown)
A1
A2
A3
A3.5
A4
B2
B3
B4
C2
C4
A2
A3
A3.5
B1
B3
A2
A3
A3.5
B2
B3
Not Available
DispensingBottle
Capsule
BottleCapsuleCapsuleBottle
Capsule
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