Twenty Years, and Still Immaculate

Anyone can replace a chipped restoration. It chips again.

What actually decides whether front teeth survive is the surface nobody photographs: the palatal side of the upper teeth, where the lower front teeth slide against them. The slopes and contours back there determine how the jaw moves, where force lands, and whether the front teeth are being ground away every time she moved her jaw.

So the redesign started there. Every tooth was designed in three dimensions, the full three hundred and sixty degrees around it, and only then was the front of it considered. The part you see is the icing. It is the inside that decides whether the icing survives.

Stone models, then a wax up, establishing the new tooth positions, the corrected midline, the widened smile and the guidance surfaces that would protect it, all before a single tooth was prepared.

Veneers across the upper teeth. An implant to replace the missing front tooth, at position number nine, the central incisor. And the bite corrected as part of the same design rather than left as it was.

Porcelain changes after it is fitted. It hydrates, it warms, and it takes up color from the tooth structure beneath. What leaves the laboratory is not quite what you will be looking at a week later.

So the veneers went in first and were allowed to mature into their final color. Meanwhile the implant carried a provisional whose only job was to shape the gum, precisely, so that the tissue around it would end up neither too high nor too low against its neighbors.

Only once both of those had settled was the custom abutment made, matched to the color of the new veneers so that even the substructure beneath the crown reads as the same material as the teeth beside it. The final crown went in last.

Get that order wrong and the implant tooth sits a shade apart from its neighbors permanently.

Put the temporary and the final crown side by side and they transmit light differently from within.

That difference is the entire skill. A restoration can be matched for a photograph in a studio and betray itself in daylight, in a restaurant, under a bathroom light. Understanding how each material carries light, at each thickness, is what makes a restoration look right in every condition rather than in one.

Even under ultraviolet light, where mismatches are impossible to hide, everything reads as one mouth.

Two working models did two different jobs.

One controlled the contacts between the teeth and around the implant, so no dark triangles open between them, now or in ten years. The other verified position and stability, to an accuracy of under five microns.

That is a twentieth of the width of a human hair, and it is the reason nothing about the finished result drifted.

The midline is corrected. The smile is wider, with the dark corners filled. The upper and lower teeth meet and slide the way they are meant to, so the teeth protect each other rather than wear each other down.

And it works in profile, which matters more than most people realize, because that is how you are usually seen. The line of the teeth follows the lower lip. It reads correctly from the side, not only face on.

This case was completed just over two decades ago. It is still strong, and it still looks immaculate.

Not because of the porcelain. Because the surfaces that guide her bite were designed correctly before any of the porcelain was made, so nothing has been chipping away at it since.

That is the difference between an aesthetic result and a result that is still aesthetic twenty years later.

A dentist can place an implant. A dentist can make veneers. Running both in one arch, in the right order, with the materials matched across different foundations and the bite redesigned while it happens, is a different discipline.

She arrived with restorations that kept breaking because nobody had asked why. Twenty years on, nothing has broken.