D-640™ Open and versatile 3D scanning for all types of dental restorations
• Technology
• Accurate and complete object geometry
• Main advantages
• Spec sheet

3Shape's D-640™ is a state-of-the-art 3D scanner used to create accurate 3D scans of dies/stumps, inlay preparations, bridge preparations, bites/antagonists, wax-ups, full dental casts, and implant position (requires the AbutmentDesigner™ add-on module - sold separately for an additional charge).

3D copies of the full casts or dies/stumps are available after a few minutes. Saved in an open and standard format, typically STL, they can be used directly in 3Shape's modeling software package, DentalDesigner™ or in other open third-party software applications.

The scanning system runs on a standard Windows™-based PC (included) and requires no specific expertise to be operated.

The D-640™ scanner uses the most advanced optical scanning technology. Laser planes are projected onto the object and two high-resolution digital cameras acquire images of the lines created on the cast or die(s). 3Shape’s unique image processing software automatically captures and processes the images to creates accurate and fully surfaced 3D models.

Some unique features of the D-640™ scanner guarantee superior scan results without compromising ease of use. The scanner captures the full geometry of the dental model (including any undercuts present on the original model) in one scanning session with high accuracy.

• Easy and automatic calibration to ensure constant scan quality
• Fast and easy positioning of the objects in the scanner
• Consistently high levels of precision are guaranteed by projective geometry and a novel calibration of the laser, cameras and axes (can easily be performed by the user)
• Undercuts on the original object are automatically captured: the object is placed on a rotation plate (360 degree rotation) and is moved along a linear axis (translation) and a secondary rotation axis (tilt) to ensure an optimal exposure of the geometry to the cameras and laser

Overview of various dental items easily scanned in 3Shape's D-640 dental 3D scanner. From the upper left corner: single die, antagonist model in occlusion, wax-up bridge, full cast, implant position (using customized scan abutments), 14-unit bridge.

Versatility
The D-640 handles most types of dental models, according to your scanning needs: dies/stumps, inlays (incl. deep inlays), bridge preparations (from 2 to 14 units), wax-ups (crowns, bridges), pontics, full casts (up to 16 units), antagonists (double scans of silicone bite or cast), implant position (AbutmentDesigner add-on module required).

Open file formats
The D-640 is fully compatible with all open manufacturing solutions and applications available on the market: the 3D files can be saved and exported in a number of standard formats, such as STL. In practice, this means that you have complete freedom in your choice of materials (zirconia, metal alloys etc.), technology (CNC, 3D printing or sintering) and configuration (outsourced or integrated manufacturing).

High and consistent levels of accuracy
20 microns. Continuous validation using Mitutoyo™ ceramic metrology gauge blocks (surface-to-surface accuracy of 15 microns).

One-button scanning
Just place the object (cast, bridge, die...) in the scanner: no precise positioning is required. Click on one button in the scanning software and 3Shape’s unique scanning technology ensures a complete coverage of the whole geometry of the object, including all undercuts.

Alignment of scanned parts
Using 3Shape’s unique algorithms, the scanner automatically aligns different scanned parts (upper and lower bite, die and dental cast etc.).

Automatic 3D model creation from scanned data
The scanner software automatically creates a surfaced 3D model from the acquired point cloud data. The 3D files are ready to be modeled in 3Shape’s DentalDesigner™ or other open format third-party CAD software.

Overview of the 3D model creation process. The original cast (a) is captured as a point cloud (b). The surfaced 3D model (c) is a perfect replica of the original model