“Best intraoral scanner” is still the wrong buying question for most dental practices.

The better question is this: which scanner best fits your clinical mix, your team, your lab relationships, and your growth plan?

To make that decision more practical, this guide narrows the comparison to three widely discussed platforms in the current market: the Medit i900, 3Shape TRIOS 5 Wireless, and iTero Lumina. All three are modern, capable systems. The differences show up in ergonomics, mobility, file flow, software philosophy, and how tightly each scanner connects to specific treatment ecosystems.

As of November 2026, these are not all at the same point in their product life cycle. TRIOS 5 Wireless launched in September 2022. iTero Lumina launched on January 31, 2024. Medit introduced the i900 on April 29, 2024. That matters because practices are not only comparing feature lists. They are also comparing platform maturity, update cadence, and how much they want to buy into a broader vendor ecosystem.

Who this comparison is for

This guide is built for:

general dentists choosing a first scanner or replacing an aging one
practice owners comparing long-term platform fit
office managers and treatment coordinators who care about setup, training, and case flow
specialists weighing open export against brand-specific workflow advantages

It is not a laboratory trueness deep dive and it is not a one-number ranking. Instead, it is a practical buying guide based on verified manufacturer specifications, public product information, and regulatory records.

The short answer

If you want the shortest version before the detailed comparison, here it is.

Medit i900 makes the strongest case for practices that want a lighter wired scanner, broad workflow flexibility, and an open-platform approach centered on Medit Link and app-based expansion.
TRIOS 5 Wireless stands out for practices that want a mature wireless workflow, strong ergonomics, a deep software ecosystem, and transparent public pricing from the manufacturer.
iTero Lumina is the most compelling fit for practices that place a high value on Invisalign integration, patient-facing visuals, and, in the Lumina Pro configuration, integrated near-infrared imaging support for interproximal caries detection above the gingiva.

The right choice depends less on raw specs than on how you make money with the scanner.

At-a-glance comparison

Medit i900

Launch date: April 29, 2024
Scanner type: wired
Weight: 165 g including medium tip
Dimensions: 223.4 x 36.7 x 35.3 mm
Tip options: large, medium, and small
Scan depth: 12 to 30 mm
Claimed scanning frame rate class: over 60 FPS with supported settings
Platform angle: open software platform with Medit Link and app integrations

3Shape TRIOS 5 Wireless

Launch date: September 21, 2022
Scanner type: wireless
Weight: 299 g including battery
Dimensions: 3.8 x 3.7 x 26.6 cm
Output formats: PLY, DCM, and STL
Battery setup: 3 rechargeable batteries included
Claimed continuous scanning time: up to 66 minutes
Public U.S. list pricing shown by manufacturer: from $26,700, excluding tax and shipping; financing shown from $548 per month

iTero Lumina

Launch date: January 31, 2024
Scanner type: cart, mobile, or PC configurations depending on package
Wand size: 248.2 x 43.9 x 39.2 mm
Wand weight: 260 g
Key hardware claims: 50% smaller wand, 45% lighter than iTero Element 5D wand, and 3x larger field of view compared with iTero Element 5D at the stated scanning distance
Capture distance claim: 25 mm
Connectivity angle: open STL and PLY export, lab connectivity, and strong Invisalign integration

What matters most in real practice

Most practices should judge a scanner in six categories:

ease of learning for the team
patient comfort
how portable the setup is between operatories
how open the file workflow is
whether the software supports your highest-value procedures
the true ownership model, including service, accessories, and upgrade path

That framework makes the differences clearer than feature marketing does.

Ergonomics and handling

This is usually the first difference teams notice, and it affects adoption more than many buyers expect.

Medit i900

The i900 is notably light for a full-featured scanner at 165 g including the medium tip. Its body is also compact at 223.4 x 36.7 x 35.3 mm. Medit moved away from conventional button-heavy control and built the i900 around a touch band, touch pad, and touch menu design. In day-to-day use, that matters less as a novelty than as a workflow preference: some clinicians will like gesture-style control, while others will need a brief adaptation period.

If your practice values a light handpiece and does not mind a cable, the i900 has a strong ergonomics case. Medit also offers three tip sizes, including a small tip, which can matter in tighter mouths and for pediatric or limited-access situations.

TRIOS 5 Wireless

TRIOS 5 remains one of the cleanest ergonomics arguments in the wireless category. 3Shape lists it at 299 g including battery, with a compact body measuring 26.6 cm long. The scanner adds LED guidance and haptic feedback, which may help newer users stay on track during scanning. It also uses a two-button design rather than a more gesture-driven interface.

Practically speaking, the biggest ergonomic advantage is not only hand feel. It is the absence of a cable. In multi-op practices, that can reduce friction during room changes and make the scanner feel easier to pass between operators.

iTero Lumina

Align pushed hard on wand redesign with Lumina, and the numbers are meaningful. The company lists the Lumina wand at 260 g and 248.2 mm in length, with a 50% smaller and 45% lighter wand compared with the iTero Element 5D wand, excluding the cable in that comparison. That is a major shift from older perceptions that iTero wands were bulkier than competitors.

For practices that previously liked iTero software but hesitated because of wand size, Lumina materially changes that conversation.

Bottom line on ergonomics

If your priority is the lightest handpiece, the Medit i900 leads this group on published handpiece weight. If your priority is cable-free scanning and balanced handling, TRIOS 5 has the clearer advantage. If your team had old concerns about iTero wand size, Lumina is a much more competitive hardware design than earlier generations.

Mobility and operatory flexibility

Scanner mobility is not just a convenience issue. It affects utilization rate.

TRIOS 5 Wireless

This is the strongest mobility play in the comparison. TRIOS 5 is built around a wireless workflow, ships with three batteries, and is designed to work with either a pod-and-computer setup or a MOVE Pro cart setup. 3Shape also promotes TRIOS Share so one scanner can be used from multiple PCs in the practice over Wi-Fi. For busy offices that want to keep one premium scanner moving between rooms, that architecture is attractive.

iTero Lumina

Lumina is available in cart, mobile, and PC configurations depending on the solution purchased. That gives buyers flexibility, but it is a different mobility model than a fully wireless wand. The PC configuration also has a specific requirement: the laptop must meet Align’s published technical specifications and must be sourced through an authorized route for compatibility and support. That matters operationally because some practices prefer to standardize hardware internally, while others are fine following vendor-approved hardware rules.

Medit i900

The i900 itself is a wired system, so it does not compete head-to-head with TRIOS 5 on chair-to-chair wireless freedom. However, Medit’s broader current platform includes i900 Mobility for practices that want a different connection model, including iPad support through Medit Link Express. For a buyer focused specifically on the standard i900, the practical takeaway is simple: mobility is adequate, but not the headline reason to choose it.

Bottom line on mobility

For one-scanner, multi-op wireless movement, TRIOS 5 is the clearest fit. iTero Lumina gives you multiple deployment options. Medit i900 is best understood as a compact wired scanner rather than a mobility-first purchase.

Software ecosystem and workflow philosophy

This is where many buying decisions are really made.

Medit i900

Medit positions the i900 inside Medit Link, which it describes as an open software platform. The company also emphasizes access to Medit Apps and third-party apps through its App Box. That makes the i900 appealing to practices that want flexibility and do not want to feel locked into a single treatment universe.

For practice owners, the appeal is straightforward: the scanner can become a digital platform decision, not only an impression capture decision.

TRIOS 5 Wireless

3Shape’s strength is ecosystem depth. TRIOS 5 sits inside 3Shape Unite, and the company continues to build integrations, design tools, patient engagement apps, and connections across labs, production workflows, and third-party partners. TRIOS also supports PLY, DCM, and STL outputs, though some export workflows may depend on software configuration or licensing.

If your practice wants a mature digital platform with broad clinical and lab connectivity, TRIOS remains one of the strongest bets.

iTero Lumina

iTero’s ecosystem is best understood as both open and strategically integrated. On the open side, Align publicly states open STL and PLY export plus interoperability with practice and lab systems, treatment planning, sleep appliances, and chairside production. On the integrated side, iTero is still the most obvious choice for practices that place a premium on Invisalign workflow, auto-upload features, progress tools, and patient-facing Align software.

That distinction matters. If your scanner is also a case acceptance engine for clear aligner dentistry, iTero may deliver value beyond the scan itself.

Restorative, orthodontic, and diagnostic fit

For general restorative dentistry

All three platforms are fully credible options for crowns, bridges, implant workflows, and general digital impressions. The differentiator is less whether they can do the work and more how they fit your preferred software and lab flow.

Medit i900 is attractive for practices that want a lighter scanner and an open workflow. TRIOS 5 is attractive for practices that want wireless convenience plus a broad digital restorative ecosystem. iTero Lumina is now a more serious restorative contender than many buyers may remember from older iTero generations, especially since Align expanded restorative capabilities on the Lumina platform.

For orthodontic practices and Invisalign-heavy GPs

iTero Lumina has the clearest natural advantage if Invisalign is a major part of production. That does not mean TRIOS or Medit are weak orthodontic scanners. It means iTero is aligned with a specific treatment ecosystem in a way competitors are not.

For practices where scanner-driven patient education, simulation, and aligner case flow are central to growth, that integration may outweigh some hardware differences.

For practices that want integrated caries-aid capability

This is where configuration details matter. The iTero Lumina intraoral scanner and the iTero Lumina Pro imaging system are not the same thing. In the United States, the iTero Lumina Pro NIRI functionality received FDA 510(k) clearance in August 2024 as a diagnostic aid for detecting interproximal carious lesions above the gingiva and monitoring their progress. A later FDA 510(k) letter dated July 2, 2026 also applies to iTero Lumina Pro under the same broad regulatory area.

If integrated near-infrared imaging is a priority in your buying decision, make sure you are evaluating the correct Lumina configuration rather than assuming every Lumina package includes the same diagnostic capability.

Hygiene, tips, and service considerations

Scanner ownership is not only about the wand. Tips, sleeves, battery handling, training, and replacement policy affect real cost and staff satisfaction.

Medit states the i900 tips are made from PPSU and are rated for up to 150 autoclave cycles. TRIOS 5 includes both ready tips and an autoclavable tip depending on package and country, and 3Shape emphasizes its closed tip design and body sleeves. Align’s iTero platform uses sleeves as part of its cross-contamination control approach, and its service plans include cloud storage, unlimited scans, support, and hardware replacement terms depending on plan level and configuration.

For office managers, this is one of the most important demo-day questions: not “what are the features?” but “what exactly do we replace, sterilize, stock, and pay for every month?”

Pricing and commercial transparency

Public scanner pricing is inconsistent across the category, which makes apples-to-apples budgeting harder than it should be.

3Shape is the most transparent of these three on public pricing. Its current U.S. webshop lists TRIOS 5 Wireless from $26,700 excluding tax and shipping, with financing shown from $548 per month, while noting that pricing varies by country.

Align does not publish a simple public list price for iTero Lumina on its main comparison pages and instead routes buyers to representatives. The same is generally true for Medit i900 purchasing paths in many markets.

That means practices should build comparisons around total acquisition model, not only scanner price. Ask for:

base hardware
required computer or cart
service plan and warranty term
tip or sleeve consumption
software subscription or upgrade fees
onboarding and team training
replacement turnaround if the scanner goes down

The lowest quoted entry price is not always the lowest operating cost.

Which scanner fits which practice?

Choose Medit i900 if:

you want a very light scanner with compact dimensions
you prefer an open-platform approach
you value app-based workflow flexibility
you are comfortable with a wired scanner in exchange for lower handpiece weight

Choose TRIOS 5 Wireless if:

you want true wireless mobility between operatories
your team values mature guidance features and a polished software ecosystem
you want a strong mix of openness and structured workflow tools
you prefer a manufacturer that shows public starting price information

Choose iTero Lumina if:

Invisalign workflow is strategically important to your practice
patient communication and chairside visuals are central to case acceptance
you want a much smaller wand than older iTero generations offered
you may benefit from Lumina Pro’s diagnostic aid capabilities in the right configuration

Final verdict

There is no universal winner here, and that is actually good news for buyers.

The Medit i900 is the strongest fit for practices that want a lightweight, open, modern scanner without centering the purchase around a closed brand ecosystem. TRIOS 5 Wireless is the most balanced premium choice for practices that want mobility, mature workflow infrastructure, and broad clinical versatility. iTero Lumina is the most strategic choice for practices that want the scanner to do more than capture impressions, especially when aligner workflow and patient communication are growth levers.

If you are narrowing the shortlist, do not stop at a rep demo. Build a same-day test with your own assistant, your own prep, your own lab submission path, and your own treatment coordinator in the room. Intraoral scanner comparisons look close on paper. They stop looking close once your real workflow touches them.