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Graphy vs i-liner

Starting price, treatment length, supervision, FDA safety record and full spec sheet for Graphy and i-liner, side by side. Every figure links to the source that states it.

Prices verified Sep 30, 2026FDA records verified Sep 30, 2026
32comparisons with Graphy
10comparisons with i-liner

Graphy (Shape Memory Aligner (printed in the practice), Shape Memory Aligner (made by Graphy for partner clinics))·i-liner (i-liner)

Graphy
In-office
i-liner
In-office
At a glance
Starting price
€1,999or from €70/month
Provider-set
Typical treatment

Blue marks the lower price only where every compared price is quoted the same way (a monthly price in US dollars); prices quoted in another currency, as a one-time fee or as a provider-set range are shown exactly as stated and never converted. Adverse-event figures are raw counts of reports filed with the FDA, not rates (what the reports mean). Each spec value opens that brand's spec sheet, and its numbered sources verify the specs as a set. None of this is a recommendation: the right choice depends on your case, your budget and, above all, an in-person exam by a dentist or orthodontist.

The bottom line

What actually differs

  • Neither is marked lower, since only monthly prices quoted in US dollars are ranked against each other: Graphy €1,999 and i-liner Provider-set.
Go deeper

Open the full record

Graphy
  • Prices
  • Treatment length
  • Supervision
  • FDA safety
  • Specs
  • Sources
  • Where to get it
i-liner
  • Prices
  • Treatment length
  • Supervision
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Every comparison with these brands

Each brand against every other brand on the market. All comparisons

All 32 comparisons with Graphy

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InvisibleBraces is an informational data platform, not a dentist, an orthodontist, or a seller of aligners. Nothing here is dental or medical advice, a diagnosis, or a recommendation to start, stop, or change any treatment. At-home clear aligners are not right for every case, and moving teeth without an in-person exam carries real risk. Data is aggregated from public sources and each brand's own terms and can be incomplete or out of date. Always consult a licensed dentist or orthodontist and confirm current prices and terms with the provider.
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The independent, fully-cited comparison of at-home clear aligner brands. Every figure traces to its source. Informational only, not dental or medical advice.

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Not published
Supervision
In-office
In-office
FDA safety
No recalls
No recalls
FDA adverse-event reports
3
0
Treatment
Treats
CrowdingSpacing and gapsRelapse after bracesMalocclusion in permanent teeth (FDA-cleared indication)
Mild-to-moderate crowdingSpacing and gapsAesthetic alignment for adults and teenagersComplex cases via mixed therapy (aligners combined with fixed brackets)
Product lines
Shape Memory Aligner (printed in the practice), Shape Memory Aligner (made by Graphy for partner clinics)
i-liner
Wear schedule
All-day (20 to 22 hrs), each aligner worn about 1 week
Removable trays worn full-time and taken out only to eat and brush; each aligner in the series is changed on the cadence the treating doctor sets (i-liner does not publish a fixed wear or change schedule).
Spec sheet
Start method
Intraoral digital scan at the practice (no impressions)
Dentist-taken records: about 5 clinical photos plus physical impressions or an intraoral scan, uploaded by the practice to i-liner's Digital HUB web platform.
Material
Tera Harz Clear: a light-cured, methacrylate-based shape memory resin printed directly into the final aligner (models TC-85DAC, TA-28 and TR-07)
FLEXY, Sia Orthodontic's proprietary multilayer thermoformable thermoplastic (about 92% light transmission, high resistance to discoloration, continuous constant release of forces over time).
Retainers
Set by the practice. The Tenerife clinic quotes a removable or fixed retainer at €150 each, separately from treatment
A final retention aligner per arch is included with the treatment (allineatore di contenzione finale per arcata).
Whitening
Not published
Not published / not offered as part of the product.
Refinements / touch-ups
Set by the practice. The Tenerife clinic includes planned refinements in its written quotation
Not published as a specific policy; complex cases are managed with mixed therapy (aligners combined with fixed appliances).
Guarantee
Not published
Not published.
Clinical oversight
In-office: a dentist or orthodontist plans, prints and monitors the treatment; the Tenerife clinic adds remote monitoring by intraoral camera at each aligner change
Dentist-led and in-office: every case is designed, prescribed and supervised by a trained dentist or orthodontist via the Digital HUB; not available direct-to-consumer.
Financing
Set by the practice: the Tenerife clinic offers up to 60 months subject to approval; MEMORYALIGNER (UK) offers 12 months interest-free
Not published; any patient payment terms are set by the treating dental practice.
HSA / FSA
Not published (no US patient price is listed yet; prices found are in Spain and the UK)
Not applicable (Italy / non-US brand); not published.
Insurance
Not published
Not published; coverage depends on the patient's dental plan and the treating practice.
Availability
Sold through dental practices and labs: Graphy says it exports to 85 countries, and its partner page lists business partners in the countries below. In the US the FDA has cleared the resin and Graphy announced a Florida central lab in February 2026
Made in Italy; Sia Orthodontic states it markets its products in several countries worldwide. Patients find an i-liner provider via the brand's 'find the specialist' map.
Headquarters
Seoul, South Korea (6F, Ace Gasan FORHU, 225 Gasan Digital 1-ro, Geumcheon-gu)
Rocca d'Evandro, Caserta, Italy (1,000 sqm plant; registered office in Rome). Manufacturer: Sia Orthodontic Manufacturer S.r.l., established 2000.
Spec sources
  1. 1.itgraphy.com
  2. 2.itgraphy.com
  3. 3.itgraphy.com
  4. 4.itgraphy.com
  5. 5.accessdata.fda.gov
  6. 6.accessdata.fda.gov
  7. 7.api.fda.gov
  8. 8.smiletenerife.com
  9. 9.smiletenerife.com
  10. 10.smiletenerife.com
  11. 11.shapememoryaligners.co.uk
  12. 12.shapememoryaligners.co.uk
  13. 13.3dprintingindustry.com
  1. 1.i-liner.it
  2. 2.i-liner.it
  3. 3.i-liner.it
  4. 4.i-liner.it
Company
On the market since
2021
2000
Parent company
Graphy Inc., Seoul, South Korea
Sia Orthodontic Manufacturer S.r.l., an Italian orthodontic manufacturer established in 2000; operative headquarters and 1,000 sqm production plant in Rocca d'Evandro, Caserta, Italy, with a registered office in Rome.
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