Digital Workflow in Dentistry: Complete Guide

How the integration between IOS scanners, CBCT and CAD/CAM works — and how to start implementing it in your practice

What the digital workflow in dentistry is

The digital workflow in dentistry is the process that eliminates every analog step in the diagnostic, planning and production chain: from capturing the impression to delivering the restoration, every step happens digitally, with data passing from one device to another with no intermediate physical conversions.

It's not a single tool, but an integrated ecosystem: an intraoral scanner (IOS) captures the patient's anatomy; a CBCT provides the three-dimensional bone map; planning software merges the two datasets; a CAD/CAM system designs and produces the restoration or the surgical guide. The result is a continuous flow from the patient to the finished piece, with total control over every step.

The 4 stages of the complete digital workflow

1

Acquisition — Intraoral Scanner (IOS)

The IOS scanner captures the anatomy of teeth, gums and occlusion in 2–5 minutes. The resulting STL file is the entry point of the whole workflow. IOS scanner guide →

2

3D Diagnostics — CBCT

For implantology and surgery, the CBCT adds volumetric bone data in DICOM format. Merging it with the IOS scan = guided implant planning. CBCT guide →

3

Design — CAD Software

The technician or dentist designs the restoration, surgical guide or prosthesis in CAD software (exocad, 3Shape, CEREC). This is where shape, occlusion and margins are defined.

4

Production — CAM (Milling or 3D Printing)

The CAD file is sent to the CAM milling machine or 3D printer. In chairside mode the restoration is ready in 15–45 minutes. CAD/CAM guide →

Partial vs complete digital workflow

You don't need to implement everything at once. Most practices start with a partial workflow and progressively extend it:

LevelToolsApplicationsIndicative investment
BasicIOS scannerProsthetics, orthodontics, digital impressions€8,000 – 20,000
IntermediateIOS scanner + CBCTPlanned implantology, guided surgery€25,000 – 55,000
AdvancedIOS + CBCT + chairside CAD/CAMSame-day restorations, end-to-end workflow€40,000 – 80,000
CompleteIOS + CBCT + lab CAD/CAM + 3D printingComplex rehabilitations, implant bars, surgical guides€70,000 – 150,000+

Buying used equipment reduces the investment by 40–60% compared to new, making even the intermediate workflow accessible to practices starting from scratch.

Clinical and operational benefits

For the dentist

  • Fewer communication errors with the lab (digital file vs physical impression)
  • Guided implant planning with a margin of error < 0.5 mm
  • Chairside restorations in a single appointment (eliminates the provisional)
  • Permanent digital archive of patient scans

For the patient

  • No traditional impression (alginate, gag reflex)
  • Reduced treatment times
  • Ability to see the proposed restoration before production
  • Greater precision = fewer adjustments and remakes

For the lab

  • Digital files eliminate transport errors and impression deformation
  • Milled or printed production with absolute repeatability
  • Digital, traceable, archivable job management

Compatibility: the key to a working digital workflow

The digital workflow only works if the components communicate. Before buying any equipment, build a compatibility map:

  • IOS scanner → output format: open STL (Medit, Carestream) or proprietary (3Shape, iTero)?
  • CAD software → accepted formats: exocad accepts everything; CEREC wants CEREC files or STL.
  • CBCT → DICOM format: a universal standard, but check compatibility with your planning software (coDiagnostiX, Simplant, Implant Studio).
  • Milling machine → open or closed: a Roland milling machine with exocad accepts any file; a CEREC Primemill wants Dentsply software.

An open system (STL files + exocad + generic milling machine) offers maximum flexibility. A closed system (end-to-end CEREC) offers maximum integration but vendor lock-in.

How to get started: a practical roadmap

  1. Map your current workflow: where do you lose the most time? Where are the most errors? IOS solves the impression; CBCT solves planning; CAD/CAM solves production.
  2. Set a budget: with quality used equipment you can start a basic workflow from as little as €8,000–12,000.
  3. Choose compatibility before brand: make sure scanner, software and milling machine talk to each other before buying.
  4. Train the team: the digital workflow requires training — the dentist, the assistant and the lab need to be aligned.
  5. Start with the IOS scanner: it's the component with the fastest ROI and the lowest learning curve. Expand from there.

Start your digital workflow with verified used equipment

Find used IOS scanners, CBCT units and CAD/CAM systems on the DentLink marketplace. Save 40–60% compared to new without sacrificing quality.

Browse the marketplace