Transition Toward Digital Dentures: Prescription – Manufacturing Options

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Rewritten Transcript

What are the different manufacturing options? Essentially, we have three methods within the Ivoclar Digital Dentures system, now referred to as the Ivo system. I’ll try to clarify the differences.

The first is what we call the artificial tooth process. In this method, the denture base is milled, and standard cartridge denture teeth are bonded to that milled base. This was the initial process most manufacturers started with.

We then advanced to the oversized process. Here, the denture base and teeth are both milled oversized, around 80% of final dimensions, then bonded together. After bonding, they undergo a final milling stage. It’s a patented process resulting in a two-part denture – the teeth are separate from but bonded to the base, with a microscopic interface created during that final milling.

The most current option, literally within the last several months, is the monolithic process utilizing a bi-colored disc to mill the entire denture monochromatically. It creates the pink denture base and white tooth portion as a single, seamless unit. I want to spend some time on this monolithic concept as it’s exciting and new.

Each process has pros and cons, and your choice depends on the specific clinical case. But the monolithic Ivo disc is certainly the newest offering and worth exploring in more detail. Despite being two visually distinct components, the chemistry allows for a complete, seamless union between the pink and white portions – it is a solid block without an interface.

Your first reaction may be “impossible”, but the geniuses behind this development achieved it through an ingenious geometric concept. Channels and grooves create a shell-like effect that accommodates different tooth setups and arch sizes, allowing significant adjustability for individual teeth. There’s tremendous design flexibility, yet it still yields a flawless junction between the base and tooth areas with no cross-over of shades.

The obvious advantage is the truly monolithic nature rather than a two-part prosthesis. Aesthetics are highly compatible, and you have monolithic uniformity of strength – attempting to break this denture means fracturing the entire unit rather than just dislodging teeth. There’s no bonding interface whatsoever.

Importantly, all three of these processes utilize proven, time-tested materials – the same polymethyl methacrylates we’ve trusted for denture bases and teeth for decades. The materials carry FDA approval and provide predictable performance based on our extensive experience with them clinically. The only novelty is the manufacturing process itself, not the underlying materials used.

So in summary, while the artificial tooth and oversized processes offer their own advantages, this new monolithic option from the Ivo system is truly innovative and worth serious consideration for the right clinical situations. The concept is fascinating from a materials standpoint, providing elevated aesthetics and strength without sacrificing the biocompatibility of conventional denture materials.

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