Two used chairs of the same model can be listed at very different prices, one described as "refurbished" and one as "used." The price gap implies the refurbished chair had real work done. Sometimes it did: new hydraulic seals, rebuilt controls, new upholstery, a technician's test, and a written warranty. Sometimes "refurbished" means it was cleaned and photographed well.

This guide explains what the common labels usually mean, how the FDA distinguishes servicing from remanufacturing, what a genuine refurbishment includes for each equipment type, and how to compare offers so you pay for work that was actually done.

Key takeaways

  • There is no single legal or industry-wide definition of "refurbished" for dental equipment. Ask for a written list of what was replaced, repaired, and tested.
  • Manufacturer certified pre-owned programs are the most defined category. A-dec, for example, gives its Certified Pre-Owned equipment a 3-year warranty on A-dec manufactured components.
  • The FDA treats restoring a device to original specifications as servicing or refurbishing, but treats work that significantly changes performance, safety specifications, or intended use as remanufacturing, which carries manufacturer obligations.
  • New-equipment warranties usually do not follow used equipment. Midmark, for example, says its dental warranty covers only the first retail purchaser.
  • Judge refurbished equipment by the seller's written warranty and parts list, not the adjective.

The labels, from newest to oldest

LabelWhat it usually meansWarranty you can expectWhat to verify
NewNever installed or used, sold by the manufacturer or an authorized dealerFull manufacturer warrantyThat the seller is authorized, so the warranty applies
New, unauthorized sourceNew in box, sold by someone who is not an authorized dealerOften none from the manufacturerManufacturer's position on warranty for this seller
Demo or open boxUsed for display, trade shows, or briefly installedVaries; sometimes full, sometimes reducedHours of use, warranty start date, whether it was installed
Manufacturer certified pre-ownedInspected and restored under a manufacturer programManufacturer's program warranty (A-dec: 3 years on A-dec components)Which components are covered and for how long
Dealer refurbished or remanufacturedDisassembled, worn parts replaced, tested by the seller's techniciansSeller's own warranty; length and terms vary widelyWritten parts and labor list, test results, warranty terms
ReconditionedServiced and cleaned, some parts replaced as neededShort seller warranty or noneWhat specifically was done
Cosmetically refurbishedNew upholstery, paint, or covers; mechanics untouchedUsually none on mechanicsThat the seller is not implying mechanical work
Used, tested workingRemoved from a working office, powered up and checkedSometimes a short arrival guaranteeWhat "tested" meant, and by whom
Used, pulled from working officeWas in use before removal; not tested sinceUsually noneRemoval and storage conditions, service history
As-isNo representation of conditionNoneEverything, ideally with your own technician present
For parts or not workingKnown or suspected problemNoneWhether parts are worth the price

Sellers do not all use these words the same way. The table describes typical usage, so treat it as a translation guide and confirm the meaning with each seller.

How the FDA thinks about refurbishing

Dental equipment such as chairs, delivery systems, sterilizers, and x-ray units are medical devices. In May 2024 the FDA finalized guidance on the remanufacturing of medical devices that clarifies terms the used equipment world often blurs.

  • Servicing is repair or preventive or routine maintenance that returns a device to the original manufacturer's safety and performance specifications for its original intended use.
  • Refurbishing and reconditioning, as the guidance uses the terms, fall on the servicing side: restoring the device to original specifications without significantly changing its performance, safety specifications, or intended use. Replacing worn parts and installing manufacturer updates are examples.
  • Remanufacturing is processing, conditioning, renovating, restoring, or any other act that significantly changes a finished device's performance or safety specifications, or its intended use.

The distinction matters because the FDA considers remanufacturers to be manufacturers, with obligations such as registration and listing, quality system requirements, premarket authorization where applicable, and adverse event reporting. You can read the guidance on the FDA remanufacturing guidance page.

What this means for a buyer: a well-done refurbishment brings equipment back to the original manufacturer's specs using compatible parts. If a seller has modified equipment beyond original specifications (for example, swapped in non-equivalent control systems, altered x-ray components, or combined parts in ways the manufacturer never designed), ask hard questions. Modified equipment can also void any remaining manufacturer coverage; A-dec's warranty, for example, excludes altered or modified products and products used with unapproved third-party products.

What a real refurbishment includes, by equipment type

Use this table to judge whether a "refurbished" description is credible. A seller who did real work can tell you which of these items were done.

EquipmentCredible refurbishment typically includesCosmetic-only warning signs
Patient chairHydraulic seals or fluid serviced (or electric actuators checked), pump and motor tested under load, switches and foot control checked, new upholstery, base and shrouds repairedNew upholstery with no mention of lift, tilt, or controls
Delivery systemNew tubing, o-rings, and control block service, handpiece air and water pressures set, waterline system cleaned, holders and arms adjustedCleaned and polished with original tubing
Operatory lightArm tension and drift corrected, electrical checked, LED or bulb assembly tested, lens or shield replaced if hazyNew shield only
Tabletop sterilizerChamber inspected for pitting, door gasket replaced, valves and sensors checked, cycles run and verified, ideally with test resultsExterior cleaned, "powers on"
CompressorHours noted, heads rebuilt or checked, dryer serviced, tank inspected and drained, output testedNo hour reading or service record
VacuumPump inspected and tested for capacity, seals and impeller checked, separator status documentedRuns, with no capacity figures
HandpiecesNew turbine or bearings, chuck tested, speed and water spray checkedPolished exterior
Digital imagingSoftware version confirmed, license transfer documented, calibration or image quality check, sensor cable inspected"Works great" with no software details

For deeper checks by category, see our guides on used autoclave warning signs, compressor basics, handpieces, and delivery systems.

Warranties: what actually transfers

New-equipment warranties usually protect the first buyer from an authorized source. Midmark's published dental warranty, for instance, says coverage extends only to the first retail purchaser through an authorized Midmark distributor and is not transferable. A-dec's warranty applies to products purchased from A-dec or an authorized A-dec dealer, and A-dec separately offers a 3-year warranty on A-dec components sold through its Certified Pre-Owned program.

So for used and refurbished equipment, the warranty that matters is usually the seller's own. Get it in writing, and read it for:

  • Length, and whether it starts at sale, delivery, or installation.
  • What is covered: parts only, or parts and labor, and whether travel is included.
  • Who performs warranty work, and where (on-site, or you ship it back).
  • Exclusions, especially installation by someone other than the seller.
  • What happens if the seller cannot fix it: repair, replace, or refund.
A warranty is only as good as the seller's ability to honor it. A six-month warranty from a company three states away that requires you to crate and ship a chair back at your expense is worth much less than it sounds. Ask how a claim actually works before you buy.

Worked example: comparing a refurbished chair to a used one

All numbers here are hypothetical and exist only to show how to compare offers.

Example: you are choosing between two chairs of the same model and similar age.

Chair A: "refurbished"Chair B: used, tested working
Price (hypothetical)$6,500$3,800
Written work listNew upholstery, hydraulic seals and fluid, foot control rebuiltNone
Warranty6 months parts and labor, local technicianNone
Your likely spend in year one (hypothetical)$0 to $300$800 upholstery, plus possible hydraulic service estimated at $600 to $1,200 by your technician
Inspection costOptional$250 technician inspection recommended
Estimated all-in, year one$6,500 to $6,800$4,850 to $6,050

In this made-up comparison, Chair B is still cheaper even if everything goes wrong, but the gap narrows from $2,700 to a few hundred dollars in the worst case, and Chair A comes with a warranty and less downtime risk. If Chair A's seller could not produce a written work list, the comparison would collapse: you would be paying $2,700 for new upholstery and a promise. The label did not decide this. The paperwork did.

Questions to ask any seller of refurbished equipment

Refurbished equipment questions

  • What exactly was replaced, repaired, and tested? Can I have that list in writing?
  • Were parts new from the manufacturer, aftermarket, or used?
  • Who did the work, and what is their training on this brand?
  • What was the equipment's condition and history before refurbishment?
  • Is any manufacturer warranty or program coverage involved, and has the manufacturer confirmed it?
  • What does your warranty cover, for how long, and how do I make a claim?
  • Were any modifications made beyond the original manufacturer's design?
  • For digital equipment: what software version, and does the license transfer to me?
  • Can my own technician inspect it before I pay?
  • Who removes, crates, ships, and installs it, and who is responsible if it is damaged in transit?

Red flags

  • "Refurbished" with no work list, or a work list that only mentions cosmetic items.
  • "Like new" on equipment with visible wear in the photos.
  • Claims that a manufacturer warranty transfers, without documentation from the manufacturer.
  • Serial plates missing, painted over, or not matching paperwork.
  • A warranty that requires you to ship heavy equipment back at your expense.
  • Refusal to let your technician inspect before payment.
  • Digital equipment with no way to confirm software license status.

When each category makes sense

ChooseWhen
NewYou want full warranty, predictable timelines, latest technology, or financing tied to new equipment; or the used market for that item is thin or risky (many digital devices)
Manufacturer certified pre-ownedYou want a manufacturer-backed warranty at a lower price and the program covers the items you need
Dealer refurbishedThe seller documents real work, gives a usable warranty, and is close enough to service it
Used, testedYou have a trusted technician, some repair budget, and time; chairs and mechanical equipment from major brands are strong candidates
As-isPrice is low enough that you can absorb a repair or treat it as parts, and you have inspected it yourself

Our new vs. used guide for new grads covers the higher-level decision, and how long dental equipment lasts helps you estimate how much life a refurbishment actually restores.

The bottom line

Treat every label as a claim to verify. Ask for the work list, the parts source, the warranty in writing, and the right to inspect. With those four things, you can compare a refurbished unit to a used one on real numbers. Without them, "refurbished" is just a more expensive way to say "used." Before you buy, run through the pre-purchase checklist and read what to expect from an inspection. When you are ready to shop, see what is listed on the ChairsideSource marketplace.

Educational content only. It is not legal, financial, tax, or clinical advice. Prices and ranges are approximate and vary by region, condition, and year. Verify current rules with your state dental board and qualified professionals. ChairsideSource is not affiliated with any manufacturer, the ADA, or the DAT.