CAD-CAM Technology for Digital Dentures and Partials

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CAD-CAM Digital

Digitally Designed Partial Dentures

The CAD/CAM design system used by Stomadent Dental Laboratory brings an additional level of precision and efficiency to metal frameworks, flexible partial dentures, complete dentures, and other removable appliances.

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What is Computer-aided Design (CAD)?

Computer-aided design (CAD) refers to the use of computer software to assist in the design process in all sorts of industries. In dentistry, CAD is used to fabricate restorations to exacting specifications and tolerances without relying on error-prone analog technology. With CAD software, it’s possible to build a three-dimensional dental restoration in an imaginary space through the use of virtual models. This allows visualization of characteristics like overall appearance, tooth shape, tooth size, tooth arrangement, tooth color, and gingiva color before the final restoration is manufactured. Designs are both accurate and flawless.

Digital Workflow

What Are the Steps in the Digital Workflow?

There are four phases of the digital workflow: data acquisition (scanning technology), computer-aided designing (CAD), computer-aided manufacturing (CAM), and the manual post-production phase which includes assembly of CAD/CAM generated components, polishing, and final inspection for quality control. In order to complete the appliance, some assembly may be required to join dissimilar materials such as denture teeth to the denture baseplate or a framework.

How Are Impressions Captured?

Impressions and bite registrations are captured digitally. One way to accomplish this is to use a three-dimensional scanner that takes hundreds of images of the physical impression records at all angles in all dimensions. The other method involves capturing digital images directly at chairside using an intraoral scanner. With either method, data is collected and is used to construct virtual three-dimensional images that can be rotated and viewed from any angle or any plane in space.

This video demonstrates how Stomadent utilizes CAD to create a metal framework and a Zirlux Acetal framework made to your unique patient specifications:

How is CAD Used to Design Removable Prosthodontic Appliances?

Design software is used to virtually construct the finished appliance on a model in three dimensions according to the technician’s specifications. Within the software, virtual teeth are selected to be replaced with artificial teeth. The model is surveyed to determine the best path of insertion for the final appliance in three dimensions. Then the design proceeds using the most of the same steps previously performed with analog models, except without using manual equipment like surveyors or pencils. In the case of partial dentures, clasps are placed virtually with respect given to undercuts. Tissue stops and major connectors are designed for wider connectors which allow the framework material to be thinner and retain stability. Other things, such as modifying the gingival sculpting and diastema creation, can be added or changed to improve the desired outcome. Once the technician is satisfied with the design, files containing the design instructions are used to print 3D models or to manufacture the final restoration.

Benefits of Digital Denture Design

Guesswork is eliminated. Unlike stone models, virtual models don’t have physical bubbles, voids, or uncertain demarcations that complicate the design and processing. Measurements are exact and reproducible which results in a precise-fitting appliance. Computer-aided designed restorations fit correctly at delivery with fewer adjustments, saving the dentist precious chairtime.

The digital workflow process is efficient, saving both material and laboratory time. Often CAD/CAM appliances can be designed and manufactured in less time and with less waste than conventionally-fabricated restorations.

Removable Prosthetic Applications for CAD Technology

Titanium partial titan milling

Titanium Metal Partial Denture Frameworks

Wironium Digital Partial

Wironium Metal Partial Denture Frameworks

Zirlux Acetal Flexible Partial Dentures

Zirlux Acetal Flexible Partial Dentures

Valplast Flexible Partial Dentures

Valplast Flexible Partial Dentures

Complete Digitally Printed Denture

Complete Dentures

CAD/CAM Nightguard

Nightguards

CAD/CAM Sportguard

Sports Mouthguards

CAD/CAM Bleaching Tray

Bleaching Trays

Why Chose Stomadent Dental Laboratory?

Stomadent has invested time, talent, and money developing a 21st century state-of-the-art dental laboratory with a completely digital workflow. The staff at Stomadent knows how to utilize this digital processing to your best advantage, yielding the best-fitting removable appliances at competitive prices. When quality is of utmost importance, choose Stomadent.

CAD/CAM Lab Technicians
Stomadent Lab Kit

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Don’t miss a beat — when you need us, you’ll be ready! Our dental starter kit includes everything you need to order dentures, dental crowns, dental bridges, and other dental prosthetics from our dental lab. See for yourself how we can help your dental practice succeed!

  • FedEx two-day return postage shipping labels

  • Dental laboratory prescription forms

  • Three mailing containers

  • Product and service inserts with price list

Your dental starter kit will be shipped via FedEx two-day service.

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Stomadent starter kit

Don’t miss a beat — when you need us, we’ll be ready! Our dental starter kit includes everything you need to order dentures, dental crowns, dental bridges, and other dental prosthetics from our dental lab. See for yourself how we can help your dental practice succeed!

  • FedEx two-day return postage shipping labels

  • Laboratory prescription slips

  • Three mailing boxes

  • Product and service inserts with price list