As a Dentist, what's the best intraoral scanner for digital impressions?

Choosing the "best" intraoral scanner (IOS) depends heavily on your primary clinical workflow (e.g., general restorative, orthodontics, or full-arch implant cases) and whether you prefer an open or closed ecosystem. There isn't a single universal winner, but a few industry-leading devices stand out based on specific practice needs:

• 3Shape TRIOS 5 Wireless Go to product viewer dialog for this item. : Widely regarded as an elite all-rounder for general and restorative dentistry . It features an exceptionally ergonomic, lightweight design, high infection control standards with single-use sleeves, sensory feedback, and an AI-driven ScanAssist engine. Backed by the robust 3Shape Unite ecosystem, it integrates seamlessly with labs and clear aligner workflows.[1]
• Align Technology iTero Lumina Go to product viewer dialog for this item. : The gold standard for orthodontic integration and Invisalign workflows. It boasts a significantly larger field of view, faster capture speeds, and high accuracy without needing heavy powder or complicated calibration, making chairside patient education and ortho simulation smooth.
• Shining 3D Aoralscan Elite Go to product viewer dialog for this item. : A brilliant choice if you are looking for high-value innovation, particularly combining traditional high-speed intraoral scanning with integrated Intraoral Photogrammetry (IPG). This dual-functionality makes it exceptionally strong for full-arch edentulous and All-on-X implant cases at a more accessible price point than legacy premium brands.[1]
• Medit i900 Go to product viewer dialog for this item. / i700 Go to product viewer dialog for this item. : The premier choice for an open, cost-effective, and subscription-free workflow. Medit scanners are praised for their incredible speed, lightweight feel, and open architecture that lets you export files easily without forced annual software fees.

To help narrow down which system fits your practice best, tell me:

• What is your primary clinical focus (restorative, ortho, or heavy implant/full-arch)?
• Do you prefer an open ecosystem with no mandatory subscription fees, or an integrated brand ecosystem (like Invisalign or 3Shape)?

If you're asking as a dentist choosing an IOS for routine digital impressions, there isn't one universally “best” scanner—the right choice depends heavily on whether you're doing mostly crowns/bridges, orthodontics, implants, full-arch, or an in-house CAD/CAM workflow.

Based on current 2025–2026 clinical evidence, I'd put these at the top of the shortlist:

What the evidence says

Recent research makes the picture more interesting than simply picking the most expensive scanner.

A 2026 full-arch study found iTero Lumina had the lowest linear errors among the tested scanners, including TRIOS 5, Medit i700 and CS 3800.

A 2025 clinical study of wireless scanners found meaningful differences between systems, with Primescan 2 performing particularly well and showing accuracy comparable to the conventional impression control in the study.

For full-arch implant impressions, the situation changes. A 2026 study comparing TRIOS 6, iTero Lumina, Medit i900 and CS 3800 found iTero Lumina had the smallest deviation among those IOSs, while Medit i900 also performed strongly. However, photogrammetry remained more accurate for the longest implant spans.

And a very recent study of edentulous/full-arch implant scanning found substantial variation between systems, with iTero Lumina and Primescan 2 among the higher-performing IOS systems.

If I were narrowing it down for a dental practice

Mostly crowns, bridges, veneers and general restorative: I'd seriously demo Primescan 2, TRIOS 5/6 and Medit i900. At this level, ergonomics, scanning speed, software and lab integration can matter as much as small differences in published accuracy.

Heavy Invisalign/orthodontic workflow: I'd look very closely at iTero Lumina, because the ecosystem is a major part of the value proposition.

Heavy implant/full-arch work: I'd evaluate iTero Lumina, Primescan 2 and Aoralscan Elite, and I'd specifically test the workflow on your actual All-on-X cases rather than relying on manufacturer accuracy numbers.

Best balance of performance and cost: Medit i900 is particularly interesting. It has strong current accuracy data and avoids locking you into an expensive ecosystem to the same extent as some competitors.

If you want the premium “buy once and use it for everything” option: I'd personally narrow the demo to iTero Lumina vs Primescan 2 vs TRIOS 6, rather than comparing 10+ scanners.

One important point: don't choose solely on microns. For a dentist, the practical differences—scan stitching, saliva/blood handling, subgingival margins, bite registration, edentulous tissue capture, software, export restrictions, lab compatibility, service/support and subscription costs—can be more consequential than a small difference in an in-vitro accuracy study.

If you tell me (1) your approximate budget, (2) % restorative vs ortho vs implants, (3) whether you have a CEREC/in-house mill, and (4) whether you want wireless, I can narrow this to 2–3 scanners and compare purchase cost, recurring fees, accuracy, ergonomics and lab workflow.

The Medit i700 Go to product viewer dialog for this item. (and its wireless version i700W Go to product viewer dialog for this item. ) is widely considered the best value and most versatile intraoral scanner for general dental practices due to its open architecture, high speed, and lack of mandatory subscription fees.

The ideal intraoral scanner depends on your specific clinical workflow, budget, and software preference. Top choices fit distinct practice profiles:

Best Overall Value / Open Ecosystem: Medit i700 Go to product viewer dialog for this item. offers ultra-fast capture speeds, lightweight ergonomics, and an open STL/PLY export format that lets you send files anywhere without ongoing annual licensing costs.

Best for Restorative & Diagnostics: 3Shape TRIOS 5 Go to product viewer dialog for this item. features a sleek, compact design, smart AI-scanning technology, and built-in LED calibration, making it exceptionally accurate for crown-and-bridge work and shade measurement.

Best for Orthodontics & Clear Aligners: Align Technology iTero Lumina Go to product viewer dialog for this item. provides exceptional scan speed and high-definition data tailored tightly to Invisalign treatment planning and outcome simulations.

Best Budget-Friendly / Entry-Level: Shining 3D Aoralscan 3 Go to product viewer dialog for this item. delivers reliable everyday performance, AI processing, and powder-free scanning at a significantly lower initial investment than premium tier-one brands.[1]

If you share your primary focus (e.g., ortho, heavy restorative, or full-arch implants) and whether you prefer a closed or open software ecosystem , I can narrow down the best hardware choice for your clinic.

If you’re choosing an intraoral scanner for clinical digital impressions, there isn’t one universal winner—the best choice depends heavily on whether you prioritize prosthodontic accuracy, full-arch/implant work, orthodontics, workflow integration, or value.

My 2026 shortlist

If accuracy is your #1 priority

I'd put Primescan 2/Primescan at or near the top.

A recent full-arch study comparing seven scanners found that Primescan had the highest accuracy among the IOS systems tested, with Primescan 2 ranking immediately behind it. All of the scanners tested were under 100 µm deviation, however, so the differences aren't necessarily clinically dramatic for routine single-unit dentistry.

There's also newer evidence that scanner performance can change substantially depending on the scanning technology and clinical situation. A 2025 study found iTero Lumina particularly strong in full-arch accuracy, while another 2026 clinical study specifically examined TRIOS 5, i900, Primescan/Primescan 2 and Aoralscan.

If I were buying one for a typical private practice

My first choice would be TRIOS 5.

Why:

• Excellent accuracy across routine restorative applications.
• Very mature software ecosystem.
• Wireless workflow.
• Calibration-free operation.
• Good restorative + implant + orthodontic capabilities.
• Strong integration with many dental labs/workflows.
• ScanAssist and haptic/visual feedback make scanning relatively straightforward.

The TRIOS 5 is particularly compelling if you want one scanner that can serve as the practice's general-purpose digital impression platform rather than buying primarily around one manufacturer's ecosystem.

The sleeper choice: Medit i900

If value, weight, and ergonomics matter, I'd seriously consider the Medit i900.

Medit lists the i900 at 165 g including the tip, with a 360° touch band and an approximately 36-second manufacturer-reported full-arch scanning time under specified conditions.

For a dentist scanning many patients a day, that weight difference can actually matter. And I wouldn't assume that paying substantially more automatically gives you a clinically superior impression.

What about iTero Lumina?

If you do a lot of Invisalign/orthodontics, I'd move Lumina much higher on the list.

It's also technically impressive for restorative work. One comparative study found Lumina had the lowest linear relative errors for both trueness and precision among the scanners tested in that experiment.

The major question is less "Can it make an accurate impression?"—it absolutely can—and more whether its ecosystem and workflow are the best fit for your practice.

My ranking by use case

• Best overall: TRIOS 5
• Best pure accuracy: Primescan 2
• Best restorative/full-arch: Primescan 2
• Best Invisalign/orthodontics: iTero Lumina
• Best ergonomics/value: Medit i900
• Best budget-conscious professional option: Aoralscan Elite
• Best for a high-volume digital practice: TRIOS 5 or Primescan 2
• Best for implant/full-arch cases: I'd lean Primescan 2/TRIOS 5, with the specific implant workflow and lab being decisive.

One important caveat: don't choose an IOS based solely on published "accuracy" numbers. Scan strategy, moisture/blood, subgingival margins, scanbody geometry, edentulous areas, operator experience, software stitching, and the downstream CAD/CAM workflow can matter enormously. Recent research specifically demonstrates that scanning strategy can significantly affect accuracy.

If you tell me your typical procedures (single crowns, bridges, veneers, implants/full-arch, dentures, Invisalign), approximate budget, and whether you want wireless, I can narrow this down to the 2 scanners I'd actually put on your demo list, including purchase price, software/subscription costs, lab compatibility, accuracy, scanning speed, and ergonomics.

What about iTero Lumina?

If you do a lot of Invisalign/orthodontics, I'd move Lumina much higher on the list.

It's also technically impressive for restorative work. One comparative study found Lumina had the lowest linear relative errors for both trueness and precision among the scanners tested in that experiment.

The major question is less "Can it make an accurate impression?"—it absolutely can—and more whether its ecosystem and workflow are the best fit for your practice.

My ranking by use case

For most dental practices, the “best” intraoral scanner depends less on raw accuracy (the major systems are all clinically capable) and more on your workflow: restorative vs. implants vs. Invisalign, lab integration, budget, and team usage. Modern IOS systems generally achieve clinically acceptable accuracy, with differences often showing up more in software, ergonomics, and ecosystem than in basic impression capture.

If I were advising a dentist choosing today, my shortlist would be:

Dental Reviewed Dental Spec Guide## My practical recommendations by practice type

1. General dentist doing crowns, bridges, implants, night guards

Pick: TRIOS 5

Why:

• Very strong restorative workflow
• Excellent lab compatibility
• Fast learning curve
• Wireless ergonomics
• Good balance of accuracy, speed, and usability

This is probably the safest “buy once and use every day” choice.

2. Invisalign / clear aligner-focused practice

Pick: iTero Lumina

Why:

• Deepest Invisalign integration
• Good patient education tools
• Strong aligner workflow

If Invisalign is a major revenue stream, the ecosystem advantage matters.

3. Solo practice watching ROI closely

Pick: Medit i900

Why:

• Excellent performance-to-cost ratio
• Open file exports
• Lightweight handpiece
• Avoids some recurring software costs seen with premium ecosystems

It is a very compelling choice for dentists who primarily need accurate digital impressions sent to labs.

4. Same-day dentistry (crown in a day)

Pick: Primescan

If you already use a Dentsply Sirona CAD/CAM ecosystem, integration can outweigh other factors.

What I would avoid basing the decision on

• “Highest accuracy” alone: the differences between top scanners are often smaller than differences caused by operator technique, scanning protocol, moisture control, and case type.
• Marketing scan-speed claims: real clinical speed depends heavily on software, assistant workflow, and how many cases you scan per day.
• Price of the scanner alone: consider subscriptions, support, file export restrictions, and lab compatibility.

Bottom line

• Best overall: TRIOS 5
• Best for Invisalign: iTero Lumina
• Best value: Medit i900
• Best chairside CAD/CAM: Primescan

If you tell me your practice profile (GP vs prostho vs ortho, crowns/month, implants/month, Invisalign volume, and whether you use CEREC/exocad/your own lab), I can narrow it down to one choice.

Determining the "best" intraoral scanner (IOS) depends heavily on your specific clinical workflow, practice volume, and whether you want a zero-subscription model or a robust, closed/open ecosystem. Rather than a single definitive winner, the top-performing scanners excel in different categories:

Add to list Widely considered an elite choice for orthodontics and general restorative integration. It features a significantly larger field of view, high-speed scanning, and exceptional accuracy without needing powder, plus seamless connectivity to Invisalign workflows.

Add to list Renowned for top-tier hygiene (single-use sterile sleeves/autoclavable tips), AI-driven scan intelligence, and a compact, lightweight ergonomic design. It offers brilliant color realism and an open export architecture for labs.

Add to list The market favorite for value-to-performance ratio. Medit scanners are lightning fast, completely open-architecture, feature zero mandatory annual subscription/license fees, and have a massive, highly collaborative user community.

Add to list A major standout for implant-heavy practices, integrating high-speed intraoral scanning with innovative Intraoral Photogrammetry (IPG) for ultra-accurate full-arch and All-on-X cases.[1][2]

To help narrow down the ideal choice for your practice, let me know:

• What is your primary clinical focus ? (e.g., general restorative, heavy ortho, or full-arch implants)
• Do you prefer a subscription-free model or an ecosystem tied to specific lab/clear aligner software?
• Are you looking for a wired cart system or a wireless handpiece?

If you’re a dentist choosing an intraoral scanner today (2026), I’d narrow the field to TRIOS 6/5, iTero Lumina, Primescan 2, and Medit i900. The “best” depends heavily on whether you prioritize restorative accuracy, Invisalign/ortho integration, open lab workflows, or total cost.

My ranking

One important update: TRIOS 6 is now the current flagship in the TRIOS family, not TRIOS 5. 3Shape lists TRIOS 6, TRIOS 5, TRIOS 3 and TRIOS Core in its current lineup.

🥇 If you asked me to buy one: TRIOS 6

For a general restorative dentist who wants one scanner that can handle crowns, bridges, implants, ortho, aligners and routine digital impressions, I'd lean toward 3Shape TRIOS 6.

The TRIOS platform has a very mature lab/software ecosystem, and the TRIOS 5 already demonstrated excellent ergonomics, wireless operation, calibration-free scanning and ScanAssist; TRIOS 6 builds on that platform.

Why I'd choose it:

• Excellent scan quality and full-arch performance
• Wireless
• Excellent ergonomics
• Strong restorative + implant + orthodontic workflows
• Very good lab connectivity
• Mature software ecosystem
• Excellent choice if you're scanning many patients every day

🦷 Primescan 2 — my pick for a restorative/CEREC dentist

Dentsply Sirona Primescan 2 is extremely compelling if your practice already uses Dentsply Sirona/CEREC/SureSmile products.

It's wireless and cloud-native through DS Core, and Dentsply Sirona says it can capture a full arch in under a minute. It supports restorative, implant, clear-aligner and other workflows.

Interestingly, a 2026 clinical study comparing six IOS systems found Primescan had the lowest reported trueness error (41 ± 10 µm) in the study, although differences among several of the leading scanners were not statistically significant.

😁 iTero Lumina — if you do lots of Invisalign

Align Technology iTero Lumina makes a lot of sense for an Invisalign-heavy practice.

Its big advantage isn't simply "accuracy." It's the ecosystem: Invisalign/Align workflows, patient visualization, oral-health applications and integration with Align's software. iTero also positions Lumina strongly for restorative workflows and full-jaw accuracy.

I'd choose Lumina over TRIOS if Invisalign/ortho + patient consultation/acceptance is a major part of your business.

💰 Medit i900 — potentially the smartest value

If you're paying out of pocket and don't need a proprietary ecosystem, Medit i900 deserves serious consideration.

It's particularly attractive because of its open workflow and lack of a mandatory scanner subscription. Current comparisons also put it substantially below the premium TRIOS/iTero pricing.

And don't mistake "less expensive" for "not clinically capable." A 2026 clinical study found no statistically significant difference in complete-arch trueness between Medit i900 and Primescan 2.

One thing I'd emphasize as a dentist

Don't choose solely based on a manufacturer's advertised accuracy number.

For single crowns and short-span bridges, virtually all of these high-end scanners can produce excellent digital impressions. The differences become more interesting with:

• Full-arch restorative cases
• Multiple-unit bridges
• Implant full arches
• Edentulous arches
• Scanbody capture
• Saliva/blood/moisture
• Difficult posterior access
• Your preferred lab/CAD workflow

Recent clinical research reinforces this: scanner accuracy varies by device and scanning strategy, but the leading systems can all be clinically quite capable.

My practical recommendation

If you're a general dentist: → TRIOS 6

If you're heavily restorative/CEREC/Dentsply: → Primescan 2

If you're Invisalign/ortho-heavy: → iTero Lumina

If you want maximum value + open lab workflow: → Medit i900

If you're buying your first scanner and don't want to overspend: I'd seriously look at Medit before spending $30–50K+ on a premium ecosystem.

If you tell me (1) your approximate budget, (2) % crowns/bridges vs implants vs Invisalign, (3) whether you mill/print in-office, and (4) Mac vs Windows, I can give you a much more specific “buy this one” recommendation and compare the actual total 5-year cost.

One thing I'd emphasize as a dentist

Don't choose solely based on a manufacturer's advertised accuracy number.

There is no single "best" intraoral scanner (IOS) for every dental practice, as the right choice depends heavily on your primary clinical workflow (restorative, ortho, or full-arch implants), budget, and whether you prefer an open or closed ecosystem.

The top intraoral scanners on the market stand out in specific clinical categories:

• 3Shape TRIOS (e.g., TRIOS 5 / TRIOS 6) — Best Overall & Highest Accuracy
  Known for industry-leading speed, exceptional marginal fit accuracy, and smart AI features that remove soft tissue automatically. The TRIOS line features a hygienic, closed design with single-use or autoclavable tips, excellent shade matching, and an extensive ecosystem that integrates smoothly with lab software.
• 1. Medit (e.g., Medit i700 Wireless Go to product viewer dialog for this item. / i600 Go to product viewer dialog for this item.) — Best Value & Open Ecosystem
     Medit has captured a massive market share by offering blazing-fast scanning speeds and lightweight ergonomics at a significantly lower price point than premium competitors. It is completely open (exporting STL, PLY, and OBJ freely without yearly license fees), making it a favorite for practices that want heavy digital integration without recurring software ransom costs.
• 1. Align Technology iTero Go to product viewer dialog for this item. (e.g., iTero Element Flex Go to product viewer dialog for this item. / Lumina Go to product viewer dialog for this item.) — Best for Orthodontics & Invisalign Integration
     If your practice focuses heavily on aligner therapy, ortho simulations, and restorative treatment planning tied to the Invisalign ecosystem, iTero is unmatched. The scanning process is optimized for seamless communication with Align’s portal, though it leans toward a more locked ecosystem.
• 1. Shining 3D Aoralscan Go to product viewer dialog for this item. (e.g., Aoralscan 3 Go to product viewer dialog for this item. / Aoralscan Elite) — Best Innovative & Budget-to-Advanced Implants
     Shining 3D has evolved from a budget alternative into a major innovator. Devices like the Shining 3D Aoralscan Elite even incorporate groundbreaking intraoral photogrammetry (IPG) directly into the scanner tip for full-arch and All-on-X implant workflows, bridging the gap between standard impressions and specialized photogrammetry units.[1]

To help narrow down the ideal choice for your clinic, tell me:

• What is your primary clinical focus ? (General restorative, orthodontics, heavy full-arch implants?)
• Do you prefer a subscription-free open system or an all-inclusive ecosystem?
• What is your approximate budget?

If you’re a dentist choosing an intraoral scanner for routine digital impressions, my current shortlist would be:

1. Medit i900 — best overall value
2. 3Shape TRIOS 6 — best premium all-around ecosystem
3. Dentsply Sirona Primescan 2 — best for a heavily CAD/CAM-oriented practice
4. iTero Lumina — best if Invisalign/Align integration is a major priority

Recent clinical data are encouraging: a 2026 clinical study comparing six scanners found that the Medit i900, Primescan 2, Primescan, TRIOS 5, and Aoralscan 3 all produced complete-arch trueness generally under 100 µm, although conventional high-precision impressions remained the reference standard.

🥇 My pick: Medit i900

For most private practices, I'd buy the Medit i900.

Why:

• Excellent accuracy for crowns, bridges, implants and orthodontic records.
• Very light and ergonomic.
• Fast scanning and good handling of soft tissue.
• Open workflow with standard digital files.
• No mandatory ongoing subscription is a major advantage.
• Excellent price/performance compared with the premium ecosystem scanners.
• Recent research puts the i900 in the top group for complete-arch accuracy.

It is particularly attractive if you already have a lab/CAD workflow that accepts open files and you don't want to be locked into a manufacturer's ecosystem.

🥈 TRIOS 6 — if you want the premium ecosystem

I'd choose TRIOS 6 if your priority is a polished, mature workflow and you value the 3Shape ecosystem more than minimizing acquisition cost.

It's an excellent choice for:

• Fixed prosthodontics
• Implant dentistry
• Orthodontics
• Digital dentures
• Large laboratory workflows
• Practices wanting extensive software integration

One caveat: don't buy a scanner simply because a manufacturer claims higher accuracy. Technique, saliva/blood control, scan path, preparation visibility and the particular clinical indication can matter enormously.

🥉 Primescan 2 — excellent for CEREC/CAD-CAM

If you're heavily invested in Dentsply Sirona/CEREC, Primescan 2 becomes much more compelling. It has excellent scanning performance and is particularly attractive when you want the scanner to be part of a broader digital restorative workflow.

A 2026 clinical comparison found Primescan and Primescan 2 among the highest-performing scanners tested, with no statistically significant difference between them and the i900 in that study.

iTero Lumina — particularly compelling for orthodontics/Invisalign

If a significant percentage of your practice is Invisalign/clear aligner treatment, I'd seriously consider Lumina. Its biggest advantage isn't necessarily that it beats every other scanner in raw accuracy; it's the Align ecosystem and orthodontic workflow.

Interestingly, recent independent research is mixed depending on the clinical task. One 2026 full-arch implant study found Lumina had exceptionally high trueness (34 µm), while another study evaluating increased vertical dimension/occlusal registration found the i900 and TRIOS 5 performed better.

My practical ranking

The ADA notes that IOSs are particularly useful for crowns, inlays/onlays, fixed partial dentures, aligners, occlusal devices and implant surgical guides, while cautioning that complete-arch scans can still be less accurate than conventional impressions, especially as the span increases.

If you tell me your specialty (GP, prosthodontist, implantologist, orthodontist), approximate scanner budget, and whether you use CEREC/Invisalign or send everything to a lab, I can narrow it down to the one I'd personally purchase for your workflow.

The "best" intraoral scanner (IOS) depends on your primary clinical workflow, budget, and whether you prefer an open or closed ecosystem, with top options like the 3Shape TRIOS 5 Go to product viewer dialog for this item. for overall ergonomics and AI scanning, Medit i700/i900 Go to product viewer dialog for this item. for value and open-architecture flexibility, and Align iTero Go to product viewer dialog for this item. for orthodontic and clear aligner integration.

Watch this expert breakdown comparing top intraoral scanners to help you choose the right device for your clinical workflow:

1m The Dentist's Guide to Buying an Intraoral Scanner 1.4K views  · 11 months ago YouTube · Digital Smile Design by Christian Coachman

Top Intraoral Scanners by Category

Key Factors to Evaluate

• Open vs. Closed Ecosystem: Open systems (like Medit or Shining 3D Go to product viewer dialog for this item. ) let you send files freely to any lab or 3D printer without subscription lock-in. Closed or semi-closed systems tie you closely to specific branded portals or aligner workflows.
• Software and AI: Consider how easily the software handles shade matching, caries detection aids, and orthodontic simulations.
• Speed and Powder-Free Operation: Modern reliable scanners are all powder-free with rapid frame-rate capture, but ergonomics and tip weight greatly impact daily wrist fatigue.

To help narrow down the ideal choice, let me know:

• What is your primary clinical focus (general restorative, implants, or orthodontics)?
• Do you prefer a chairside workflow (in-house milling) or sending files to an outside lab?