What Is a Lab Scanner? Use Cases, Accuracy, and How It Differs From an Intraoral Scanner

A lab scanner never sees the inside of a patient's mouth. Its job is digitizing whatever arrives from the clinic — a plaster model, an impression, or a die. That single difference sets its selection criteria completely apart from an intraoral scanner.

Definition: a benchtop scanner, not a mouth scanner

A lab scanner sits on a workbench in the lab. You place a physical model, impression, or die on its stage, and several cameras capture the surface simultaneously to build an STL file.

Unlike an intraoral scanner, which works directly inside the patient's mouth at the clinic, a lab scanner always comes into play after work has left the clinic — whether the input is a traditional plaster model and impression, or a digital file sent over from a clinic that already owns an intraoral scanner.

Why a lab still needs one even if its clinics have intraoral scanners

Until every partner clinic owns an intraoral scanner, some work will keep arriving as physical models or impressions — a lab scanner is the only way to digitize that input.

Even when a digital file does arrive, many labs still build a physical model for multi-die work, articulator cases, or bite checks, and scan that model again — because those steps still need something you can hold.

How lab scanner accuracy is measured

Benchtop scanner accuracy is usually reported in microns against the international ISO 12836 standard. The Medit T710, for example, is rated at 4-micron accuracy under that same standard, and also passes the ANSI/ADA No.132 and VDI 2634 standards.

Because the subject being scanned is stationary — not a moving patient's mouth — benchtop scanners are typically more accurate than intraoral scanners, and that extra accuracy genuinely matters for multi-die work and complex implant cases where several dies have to align precisely.

Scan speed — why it matters in a high-volume lab

In a high-volume lab, scan speed directly affects how many cases move from model to CAD each day; the Medit T710, for example, scans a full arch in roughly 8 seconds.

When the real bottleneck in a lab is the queue of models on the bench — not file quality — that speed matters more than a few extra microns of accuracy.

Which labs don't need a benchtop scanner yet

A lab that mostly receives ready digital files from clinics and rarely builds physical models may be able to get by without one for now.

But as soon as building physical models, multi-die work, or articulator cases becomes part of the daily routine, not having a benchtop scanner creates a manual bottleneck — outsourcing the scan elsewhere — that costs both time and money.

Frequently asked questions