INTRODUCING MetaSEAL™

And it’s really, REALLY easy.

Using a plastic spatula, mix 3 drops of liquid with one scoop of powder.

MetaSEAL gives you plenty of time to seal several canals using the same mix. Just spread the sealer thin on the pad, protect it from light, and it’ll remain usable for a half-hour.

It bonds to the canal dentin without a separate priming step.

And MetaSEAL is compatible with all cold obturation techniques ... gutta percha, Resilon^®, even silver points.

A self-etch hybridized seal

Unlike epoxy, ZOE or Ca(OH)2 sealers, MetaSEAL seals the canal with a 4-META hybrid layer.

Just shape the canal, treat it using sodium hypochlorite and EDTA and rinse and dry as usual. MetaSEAL’s self-etching formula renders the sidewalls highly permeable to the 4-META resin. So the monomer penetrates down the tubules and into the intertubular and peritubular dentin.

Then its unique hydrophilic catalyst takes over.

Traditional resin sealers cure poorly in the presence of moisture, and sodium hypochlorite can severely inhibit their polymerization. The result can be gapping at the sealer/tooth interface or a weak film that’s inadequately polymerized.

MetaSEAL is different. It loves moisture. In fact, it cures best in a damp environment.

The hydrophilic catalyst in its unique initiator system actually seeks out and concentrates at the moist dentin. So that’s where polymerization initiates. As the sealer continues to cure, material is drawn toward the canal wall.

Under a scanning electron microscope, root dentin hybridized by MetaSEAL (left) shows a strong family resemblance to coronal dentin hybridized by C&B-Metabond (right). (Primary difference: Because MetaSEAL is a self-etcher and radicular dentin is more difficult to bond to, the MetaSEAL hybrid is slightly thinner.)

The resulting resin-reinforced-layer is continuous ... highly polymerized ... and gap-free.

On a scanning electron microscope, MetaSEAL’s hybrid layer in root dentin is virtually indistinguishable from C&B-Metabond’s hybrid layer in coronal dentin.

Make any endodontic point an “adhesive” point

Like most resin sealers, MetaSEAL adheres to polymer points. So if you’re a Resilon fan, don’t worry - it’s compatible.

However, MetaSEAL bonds even better to common gutta percha. Its functional monomers penetrate the point and then polymerize, creating a hybrid-bond very much like the one it forms in dentin.

So whether you use Resilon or conventional GP, MetaSEAL creates a continuous adhesive seal starting within canal wall ... and extending into the point.

ZAP the access cavity for instant coronal seal

MetaSEAL’s unique dual-cure formula combines the best qualities of a slow self-cure system with those of a fast light-cure system.

Within the canal it self-cures slowly. This allows excellent plastic-flow during polymerization and avoids shrinkage stress and gapping.

But after you’ve completed your fill, you can hit the access prep with your curing light to create an instant coronal seal. This tough, light-cured scab resists leakage during the provisional period. (And if you’re restoring immediately, it’ll help assure you don’t accidentally disrupt the seal during post preparation or composite build-up.)

Beautifully biocompatible

Like most 4-META-based resins, MetaSEAL is highly biocompatible. It shows low cytotoxicity, and zero detectable intradermal/dermal sensitivity. In tissue response tests it doesn’t trigger acute inflammation like some other resin sealers. Not even on a microscopic level.

So if a little puff of MetaSEAL is extruded out the apex – either accidentally or intentionally – it won’t impair periapical healing.

From those friendly folks who brought you Brush&Bond

MetaSEAL is the brain-child of some of the most creative adhesive chemists in the world, the folks who developed 4-META-based Brush&Bond™ ... C&B-Metabond^® ... Amalgambond^®.

And like all Parkell adhesives, MetaSEAL comes with a three-month risk-free trial. If you try it and decide you prefer your old sealer, just call us any time within 3 months. We’ll have whatever remains of the kit picked up at our expense, and we’ll give you all your money back – including shipping and taxes.

• MetaSEAL™ endodontic sealer (S160): $119.95 MetaSEAL Liquid (4.5ml) and powder (5g) plus mixing pad, measuring scoop and plastic spatula.