CADentista

07 — Workstations

PT/EN

07 — Workstations

The computer is
instrumentation
too.

Why the workstation's configuration affects scanning, planning, design and production — and how to choose hardware for the real CAE, CAD and CAM workflow rather than for the software's minimum specification.

08Sections
08Components analysed
08References
R$ 5.5–28kReference range
—

Premises

i

Running is not performing

A minimum requirement means the software opens and performs basic tasks. It does not mean fluidity with full arches, multiple files, AI features, DICOM or heavy CAD.

ii

The computer is part of the system

Scanner, software, drivers, GPU, CPU, RAM, SSD, USB ports and cooling operate as a single acquisition and processing chain.

iii

Time is operational quality

Slowness increases rescanning, fatigue, interruptions and the risk of human error, even when the final geometry still looks acceptable.

iv

Prefer technical headroom

In digital dentistry, buying at the edge of the specification tends to bring obsolescence forward as software updates demand more hardware.

01Why

Why the computer matters

The digital dental workflow does not depend only on the scanner, the printer or the software. The computer is the device that processes, renders, stores and exports three-dimensional data in real time.

In intraoral scanning, the software must capture images, recognise surfaces, align successive frames, reconstruct a point cloud, generate a mesh, apply texture and colour, and render all of it without perceptible lag. In CAE, CAD and CAM, the computer also handles STL, PLY and OBJ files, DICOM volumes, prosthetic libraries, virtual articulators, segmentations, guides, supports, nesting and machining toolpaths.

The practical effect is direct: an adequate machine reduces freezing, improves visual responsiveness, cuts unproductive time and supports a more predictable learning curve. This does not mean that better hardware corrects a poor scan, an inadequate preparation or a flawed strategy. It means the computer stops being the bottleneck.

A cautious scientific synthesis

Intraoral scanners are optical devices that depend on three-dimensional acquisition and reconstruction; the literature shows that accuracy and efficiency are influenced by the scanner, the operator, the software, the environment, the scanning strategy and the size of the scanned area. Official requirements from manufacturers and dental software indicate that a dedicated GPU, sufficient RAM, adequate ports and an up-to-date operating system are relevant to stable operation. The more prudent technical recommendation is to select the machine for the real workflow, not just for the software's minimum specification.

02Loads

CAE, CAD and CAM: different loads

Each stage uses the computer differently. The same machine that merely displays an STL file may struggle to segment a CBCT scan, handle full arches or calculate print supports.

  1. Acquisition

    Intraoral scanner, benchtop scanner, photogrammetry and CBCT generate heavy data that must be received without loss of fluidity.

  2. CAE

    Analysis, segmentation, planning, superimposition, thickness evaluation, simulation and dimensional validation demand CPU, RAM and GPU.

  3. CAD

    Designing crowns, endocrowns, guides, occlusal devices and removable prostheses demands 3D rendering and mesh manipulation.

  4. CAM

    Slicing, supports, nesting, toolpaths, export and communication with the printer or mill depend on CPU, RAM, SSD and stability.

  5. Delivery

    Less latency and less rework benefit the laboratory, the dentist and the patient by reducing waiting, repeats and adjustments.

CAE

Planning and computer-aided engineering

Three-dimensional analysis, tomography segmentation, file superimposition, fit inspection, guide planning, thickness assessment and, in academic settings, mechanical simulations. Working with DICOM, STL and PLY simultaneously consumes RAM and requires a GPU.

  • More RAM reduces slowdowns with multiple files open.
  • A dedicated GPU improves rotation, clipping, transparency and volumetric rendering.
  • An NVMe SSD reduces loading and export time for scans and large meshes.
CAD

Modelling and prosthetic design

Handles dense meshes, tooth libraries, antagonists, occlusal records, virtual articulators and software-generated anatomies. For simple single-unit cases a mid-range machine may suffice; for full arches, removable prostheses or multiple implants, the hardware gap becomes obvious.

  • A high-clock CPU improves responsiveness in sequential operations.
  • VRAM prevents stutter in 3D viewing and manipulation.
  • A better screen reduces visual error in margins, insertion axis and contacts.
CAM

Slicing, nesting and manufacturing

Turns a design into manufacturing. For 3D printing it calculates orientation, supports, layers and machine files. For milling it generates toolpaths, disc or block positioning and machining strategies. The bottleneck shows up as slow calculation, nesting freezes or slow exports.

  • A fast SSD helps saving and transferring large jobs.
  • CPU and RAM affect support generation and toolpaths.
  • Stable ports and network prevent communication failures with equipment.
IOS

Real-time acquisition

With the intraoral scanner, the experience depends on continuous capture, tracking, image stitching and real-time display. When the computer is at its limit, the operator notices visual lag, tracking loss, overheating, dropped frames or the need to rescan regions.

  • A dedicated GPU and stable drivers improve rendering.
  • CPU and RAM help sustain the processing pipeline.
  • Cooling prevents performance dropping after a few minutes.
03Components

The specifications that actually matter

The right question is not which machine costs more, but which combination removes bottlenecks from the real dental workflow.

Components for CAE, CAD and CAM
ComponentWhat to prioritise Clinical and laboratory impactCommon mistake
CPU Intel Core i7/i9 H, HS or HX; Core Ultra 7/9 H; AMD Ryzen 7/9 H/HS. Prioritise sustained performance, not core count alone. Speeds up reconstruction, mesh operations, support calculation, toolpaths, export and tasks that still rely on sequential processing. Choosing an economy “U” processor in a thin laptop for heavy work and expecting sustained performance.
GPU A dedicated NVIDIA RTX. Entry: RTX 4050/3060 6 GB. Recommended: RTX 4060/4070 8 GB. Workstation: RTX A/RTX Pro where the software requires certification. Improves 3D rendering, model rotation, volumetric visualisation, texture, scanning smoothness and any GPU-accelerated feature. Relying on integrated graphics alone for the scanner, CAD or heavy CBCT. It may work in simple cases, but usually limits fluidity.
RAM 16 GB is the modern operational minimum. 32 GB is the safer point. 64 GB makes sense for heavy DICOM, multiple software packages and intensive laboratory use. Prevents freezes with scanner, CAD, DICOM, browser, libraries, printer software and laboratory communication open at the same time. Buying 8 GB or 16 GB soldered on-board, with no possibility of expansion.
NVMe SSD 1 TB NVMe as the practical choice. 512 GB only for light use. A second M.2 slot is an advantage for separating the operating system from case files. Reduces the time to open and export STL, PLY, OBJ, DICOM and projects; improves system response when RAM is near its limit. Underestimating storage: digital cases, tomography scans and libraries grow fast.
Cooling A chassis with good ventilation, multiple heat pipes, a performance mode and a matched power adapter. An overly thin machine can throttle clocks under load. Sustains performance during long scans, rendering, segmentation and CAM calculations. Less thermal throttling means less frame-rate drop. Comparing only CPU and GPU on paper while ignoring TGP, temperature and thermal noise.
Ports USB-A/USB-C 3.2, Thunderbolt/USB4 where possible, HDMI/DisplayPort, Wi-Fi 6/6E. Avoid depending on fragile hubs for the scanner. Stable communication with the scanner, external monitor, hard drive, camera, printer or mill. An unstable port can look like a scanner defect. Buying a thin premium laptop with few ports and running the scanner through a generic adapter.
Display 15.6–16″, good-quality IPS or OLED, FHD as a minimum; QHD is comfortable. Good colour coverage helps communication and visual review. Improves reading of margins, contacts, insertion axis, anatomical detail, texture, planning and patient presentation. Using a small or low-quality screen for fine prosthetic design without an auxiliary monitor.
Power and drivers Windows 11 64-bit, up-to-date NVIDIA/Intel/AMD drivers, a high-performance mode, the scanner bound to the dedicated GPU, and use plugged into mains power. Reduces power-saving performance drops and improves the stability of dental software. Scanning on battery, or with Windows defaulting to the integrated GPU.
Practical rule

For digital dentistry, well-cooled gaming laptops tend to offer excellent technical value; workstation machines cost more but may be more suitable where corporate support, stability, GPU certification and intensive CAD/CAE use are required. Thin ultrabooks can be excellent for consultations and presentations, but should not be the first choice for a heavy scanner, CAD or CAM workload.

04Configuration

Acceptable and recommended configurations

The ranges below are not a closed budget; they serve as a purchasing reference for the Brazilian market and vary with promotions, warranty, brand and generation.

Two configuration tiers
Item Acceptablescanning, single-unit CAD, models, simple guides, routine CAM Recommended — routine scanning, complex CAD, DICOM/CBCT, full arch
CPU 12th-generation or newer Intel Core i7 H/HX; equivalent AMD Ryzen 7 H/HS. Recent Intel Core i7/i9 H or HX; Intel Core Ultra 7/9 H; recent AMD Ryzen 7/9 H/HS.
GPU NVIDIA RTX 4050 6 GB or RTX 3060 6 GB. RTX 3050 can work, but is already at the limit. NVIDIA RTX 4060 or 4070 with 8 GB VRAM. For workstations, an equivalent RTX A/RTX Pro.
RAM 16 GB DDR4/DDR5, preferably expandable to 32 GB. 32 GB as standard; 64 GB for heavy DICOM, multitasking and intensive laboratory use.
SSD 512 GB NVMe as a minimum; 1 TB is more prudent. 1 TB NVMe Gen4; ideally with a second slot for expansion.
Display 15.6″ or 16″, Full HD IPS, adequate brightness and contrast. 16″ QHD/2.5K or good-quality OLED/IPS; an external monitor is desirable for extended CAD work.
Price range R$ 5,500 – 8,500 R$ 8,500 – 14,000
An objective choice

For most dentists and small laboratories, the most balanced configuration is a machine with a high-performance Core i7 or Ryzen 7, 32 GB of RAM, an 8 GB RTX 4060, a 1 TB NVMe SSD, good cooling and reliable USB ports. This configuration tends to age better than entry-level models with 16 GB and a more limited GPU. Workstations can exceed R$ 18,000.

05Impact

Impact on the laboratory, the dentist and the patient

The difference does not appear only in a benchmark. It appears in the chair, at the bench and in turnaround time.

i

Laboratory

More capable machines reduce waiting on import, mesh cleanup, design, nesting, slicing and export. This improves production predictability, reduces peak-hour bottlenecks and reduces interruptions when several cases are open simultaneously.

ii

Dentist

During scanning, fluid visual feedback supports motor coordination and reduces the need to revisit already-captured areas. In planning, the clinician can review files, communicate with the laboratory and present the case with less friction.

iii

Patient

Less latency and fewer repeated scans can reduce open-mouth time, discomfort and fatigue. Indirectly, a stable computational workflow contributes to more predictable appointments and clearer visual communication.

06Models

Models worth considering

These are not purchase links or an absolute ranking. They are laptop families whose configurations are frequently found in ranges compatible with dental CAD/CAM. Always confirm CPU, GPU, RAM, SSD, display, ports and upgrade potential before buying.

Laptop families and price ranges observed in the Brazilian market
FamilyNoteRange
Acer Nitro V / Nitro 16 A good entry point when equipped with an RTX 4050/4060, Core i7 or Ryzen 7, 16–32 GB and an NVMe SSD. Check cooling and upgrade options. R$ 5,500–11,000
Lenovo LOQ / Legion LOQ tends to be the value pick; Legion is better suited to extended use and greater thermal stability. Prioritise an RTX 4060 and 32 GB. R$ 6,500–15,000
ASUS TUF / ROG TUF is a rugged entry and mid-range line; ROG tends to deliver a better screen, cooling and finish. Watch the base RAM on some models. R$ 7,000–18,000
Dell G15 / G16 A well-known option in Brazil. Of interest when it comes with an RTX 4050/4060, good warranty and service availability. Check weight, noise and display. R$ 7,000–14,000
HP Victus / Omen Victus can be entry and mid-range; Omen tends to suit sustained loads better. Assess GPU, TGP, display and RAM expansion. R$ 6,500–16,000
MSI Thin / Cyborg / Katana Common models in competitive price bands. Check cooling, GPU TGP and actual RAM, since versions can differ substantially in performance. R$ 6,500–14,000
Avell ION / Storm A Brazilian brand with strong, customisable configurations. A good option when seeking an RTX 4060/4070, 32–64 GB and local support. R$ 8,000–20,000
Dell Precision / Pro Max A workstation profile. Makes sense for intensive professional use, corporate support and professional GPUs, but at a higher cost. R$ 12,000–28,000+
HP ZBook / Lenovo ThinkPad P Mobile workstations for those prioritising stability, certifications and corporate use. Not always the best value for getting started. R$ 12,000–30,000+
A note on Apple and macOS

Some dental software and cloud services run on macOS, but many scanners, CAD and CAM packages and laboratory modules have historically been optimised for Windows and NVIDIA GPUs. Before buying a MacBook for clinical or laboratory work, confirm the official compatibility of the scanner, the CAD, the CAM, the drivers and the libraries you will actually use.

07Checklist

Checklist before buying

Use this list to avoid purchases that look good in the listing but become limiting in the clinic or the laboratory.

Checklist before buying
ItemPractical criterionDecision
Dedicated GPU RTX 4050/3060 as entry; RTX 4060/4070 preferable. Check VRAM and TGP. High priority
Expandable RAM 16 GB only if it can become 32 GB. For a new purchase, 32 GB is safer. High priority
SSD 1 TB NVMe, or 512 GB with a free second M.2 slot. High priority
Ports Reliable USB 3.x/USB-C; avoid depending on an adapter for the scanner. High priority
Display FHD IPS at minimum. QHD/2.5K or an external monitor improves extended CAD work. Medium-high priority
Weight and battery Powerful machines are heavier and should be used plugged in for maximum performance. Unavoidable trade-off
Local warranty Service in Brazil, an invoice and the possibility of a fast replacement can be worth more than a small saving. Strategic priority
08References

Public references

Sources used to support the general principles of scanning, performance, software requirements and hardware selection. The list avoids extrapolating beyond what these sources support.

  1. Alkadi L. A Comprehensive Review of Factors That Influence the Accuracy of Intraoral Scanners. Diagnostics. 2023;13(21):3291
  2. exocad. Hardware Requirements. exocad Wiki
  3. Farook TH, Dudley J. A comparison of a handheld minicomputer and an external graphics processing unit in performing 3D intraoral scans. J Prosthet Dent. 2025;133(2):568-574
  4. Mangano F, Gandolfi A, Luongo G, Logozzo S. Intraoral scanners in dentistry: a review of the current literature. BMC Oral Health. 2017;17:149
  5. Medit. System requirements for Medit Link. Medit Help Center
  6. Medit. System requirements for scan software. Medit Help Center
  7. Schmalzl J, Róth I, Borbély J, et al. The impact of software updates on accuracy of intraoral scanners. BMC Oral Health. 2023;23:219
  8. Siqueira R, Galli M, Chen Z, et al. Intraoral scanning reduces procedure time and improves patient comfort in fixed prosthodontics and implant dentistry. Clin Oral Investig. 2021;25:6517-6531