3Shape · Dental Equipment · $22,000 – $42,000
Units under 2,000 handpiece hours sit at $32k–$42k; anything north of 3,500 hours drops to $22k–$28k because sensor drift and LED degradation start showing. Missing service records knock $3k–$5k off asking price - clinics will smell that neglect.
Power it on and check the live color feed against a Vita guide in your operatory lighting - if the shade shifts when you move the wand, the optical path's misaligned and you're looking at a $2,200 factory calibration. Pull the chuck and inspect the tip threads for wear or corrosion; any play means the camera's not stable during scanning. Ask for the last 90 days of software logs - if there are repeated connectivity drops or USB resets, the main board's on its way out.
Southern California DSOs are aggressive on used Trios 4 buys right now because they're moving off Cerec At Home and need fast digitization for their lab turnover. Texas and Florida markets see more rentals because smaller 2–4 location groups want to float $1,200–$1,600/month over 24 months instead of hitting cash reserves.
| Model | Brand | Used Price | Key Spec | Value Score |
|---|---|---|---|---|
| Trios 4 ✓ | 3Shape | $22,000–$42,000 | Intraoral scanner, color scanning... | ●●●●● |
| ProMax 3D Plus | Planmeca | $40,000–$85,000 | CBCT 3D imaging, cephalometric, 23x26cm FOV... | ●●●●○ |
| OP 3D Pro | KaVo | $35,000–$70,000 | CBCT 3D, 16x13cm FOV, low dose... | ●●●●○ |
| Orthophos SL 3D | Dentsply Sirona | $38,000–$75,000 | CBCT panoramic ceph, 11x10cm FOV... | ●●●●○ |
Buy used. Rent payments run $1,250–$1,550/month; your break-even on a $32k purchase is 21–25 months. Most clinics I work with scan 12–18 patients per day and hit ROI in under two years. Aspen Dental and Pacific Dental Services both own their Trios units outright across their networks.
Trios 4 color module is more stable in low light and the software integrates tighter with Conebeam labs. Medit i700 is $2k–$4k cheaper used ($18k–$26k range) but the gray-scale capture doesn't pull shade data - you're manually matching to Vita every time. If you're doing 40+ inlays and crowns monthly, Trios pays for itself in speed alone.
Three flags: scan times creeping past 90 seconds (normal is 45–60), color fringing at the margins of scans, and any history of water ingress or dropped handpieces. Ask me for a pre-delivery test scan - if it looks crispy, the optics are clean; if it looks muddy, walk.
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I can source units with full calibration reports and 6 months of parts coverage for $2,800–$3,400 less than you'll find on Facebook Marketplace or Craigslist, and I actually verify the board's firmware version matches your practice management software before delivery. That saves you 2–4 weeks of troubleshooting and keeps your case flow from getting torpedoed on day two.