FAQ’s Venus® flow

1. Is Venus flow a microfilled or hybrid filled composite?
Venus flow is an ultra small particle hybrid composite.
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2. How does Venus flow attain its pronounced thixotropy?
The three-dimensional network of the Venus flow matrix is destroyed when loaded, e.g. during contouring, thus allowing it to flow. Once the load is released, the links between the constituents of the network recover and Venus flow becomes firm again.
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3. Why can Venus flow not be used in more extensive cavities or occlusally-loaded regions?
Due to their composition, flowable composites are not as resistant as standard composites and are less capable of withstanding the stress in the occlusal load-bearing areas of extensive class I or II cavities.
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4. Can the Venus Shade Guide be used for Venus flow?
Yes! As Venus and Venus flow exhibit the same shades, no separate shade guide is required for Venus flow.
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5. Are the shades of Venus flow composites just the same as those of Venus?
Yes! While developing Venus flow, the shades were matched to those of Venus. These rules out variations in shade where both products are used for the same restoration.
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6. Are Venus flow composites radiopaque?
Yes! Venus flow fillings are easily recognized on X-rays.
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7. Can Venus flow composites be used as stress breakers?
Yes! As cavity liners, Venus flow composites are ideally formulated for this indication. After polymerization, Venus flow is more flexible than standard composites – this allows it to balance out the shrinkage forces of a standard composite and the bond strength of a bonder. This reduces the risk of the bonder releasing from the tooth or a gap forming between the filling and bonder.
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8. Why is Venus flow preferred as a cavity liner for use during composite filling therapy?
As Venus flow is extremely thixotropic, it even flows into minute cavities homogeneously and densely. It forms a bath-shaped floor in the cavity with margins which taper upwards and toward the cavity walls. This rounded shape forms a dense seal with the bonding agent and composite used for filling the cavity completely.
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9. Does Venus flow require a special bonding agent or can all HKG bonding agents be used?
All HKG bonders can be used with Venus flow.
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10. Can Venus flow also be used for bonding brackets to teeth?
Thanks to its excellent thixotropy, Venus flow is very well suited for this indication.
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11. Which light intensity is required for polymerizing Venus flow?
Halogen and LED light-curing units must produce at least 400 – 500 mW / cm². Plasma units must produce at least 1200 mW / cm² if the polymerization time is to be reduced and the composite cured fully. Shades A1, A2, A3, A3.5, B2, B3 and SB1, SB2, T2, HK A2.5 must be polymerized for 20 sec. All other shades must be polymerized for 40 sec. If the polymerization time is reduced, the composite will not cure fully.
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12. How do I repair a composite filling with Venus flow?
When repairing a composite filling with Venus flow it is important to clean and roughen the damaged area. Then a bonding agent, such as GLUMA Solid Bond, is applied to the roughened area to ensure that the filling bonds to the Venus flow.
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