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Description
Note the penetration depth of Stela Primer (yellow) within the dentine tubules.
Pre-test failure rate: 0%
Filtek One Bulk Fill (Self etch)
A confocal micrograph showing the dentine interface of Filtek One Bulk-Fill (3M ESPE), in self etch mode. The red arrow shows the presence of gaps.
Pre-test failure rate: 75%
Filtek One Bulk Fill (Etch & rinse)
A confocal micrograph showing the dentine interface of Filtek One Bulk-Fill (3M ESPE), in etch & rinse mode. The red arrow shows the presence of gaps.
Pre-test failure rate: 10%
Gap-Free Interface
Stela Cures From The Margins, Not From The LED Curing Light
Light cure composite polymerization begins in the area closest to the light source, before progressing deeper into the restoration.1, 3 The resulting polymerization shrinkage pulls the restorative from the cavity walls and creates micro gaps.2
These gaps can frequently cause post-operative sensitivity, marginal leakage with staining, and recurrent caries.1, 2, 3</sup
Stela’s self-cure polymerization begins from the applied Stela Primer on the cavity walls, as the primer contains a catalyst. This polymerization sequence microscopically pulls the restorative towards the cavity – and not away from it, providing you with gap-free restorations every time reducing the risk of sensitivity and premature failure.
Light Cure Polymerization
Marginal gaps: LED polymerization results in pull-stress along the deepest margins, leading to micro gaps.
Uncured composite: Composites cannot self cure. If a restoration is angled or difficult to access, the uncured composite may prematurely fail.
Sensitivity: Uncured composite, micro gaps, multi-step techniques, and prolonged in-chair time put patients at a greater risk of postoperative sensitivity.
Depth limit: Most composites are limited to 2mm depth of cure. Deeper restorations require additional time.
Stela Polymerization
Low stress curing: Stela paste polymerizes faster along the walls when contacting with Stela Primer. This polymerization sequence provides a gap-free restoration.
Zero LED curing complications: Without a collimated beam, many curing lights are limited in their ability to fully cure composite in deep cavities and large restorations. Stela eliminates the need for LED curing and the potential for uncured resin, sensitivity, and premature failure.
Reduced technique errors: With fewer steps, there is less chance of contamination and operator errors, providing you more clinical certainty.
Unlimited depth of cure: Stela is a new generation of composites that will self cure to an unlimited depth. This gives you full cure certainty for all restorations.
Stronger Than Composites
The strength of a restorative should always be judged on its combination of compressive and flexural properties, to resist occlusal forces and to prevent fractures during function.
Stela has the perfect balance of two strengths, outperforming most other composite products.
Best In Class
Stela is the strongest self cure composite available.
There are several posterior restoratives. However, when comparing their strength, many have weaker properties that are closer to glass ionomers than composites.
Fewer Steps, Fewer Failures
Stela Primer revolutionizes the etch, prime and bond system, while delivering a better bond strength.
While other etch, prime and bond systems require up to 7 steps and 90-120 seconds to complete, the Stela Primer system is complete in only two steps and 15 seconds. Fewer steps means fewer opportunities for errors and longer lasting restorations.
Reduce your in-chair time and eliminate potential technique sensitivity with the simplified Stela technique.
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