Dentsply Sirona · Dental Equipment · $38,000 – $75,000
A unit with sub-800 head rotation hours and full service history from an authorized Dentsply tech sits $62K–$75K; drop to 1,200+ hours with a 18-month service gap and you're looking at $38K–$48K because buyers worry about calibration drift and X-tube wear. Sensor replacement runs $8,500–$11,200 if it's needed post-sale, so that's your biggest wildcard in valuation.
Pull the service log from Dentsply Connect or ask the seller for the last calibration report - if it's been >24 months, you're negotiating $4K–$6K off because recalibration is mandatory and costs $1,200–$1,800. Physically inspect the sensor housing for any hairline cracks or corrosion around the connector; water damage here means the sensor fails catastrophically and you're eating that $11K replacement. Power cycle it three times and watch the warm-up sequence - any hesitation or display flicker suggests failing capacitors in the high-voltage board, which runs $3,200 to replace.
California and Texas are hot right now because DSOs like Heartland Dental and Sage Dental are consolidating practices in suburban markets and need plug-and-play CBCT units that don't require new electrical infrastructure. The Irvine market specifically has four dental service organizations within 40 miles, so a clean Orthophos SL 3D moves in 14–21 days if priced $500–$1,200 below comparable units on the East Coast.
| Model | Brand | Used Price | Key Spec | Value Score |
|---|---|---|---|---|
| Orthophos SL 3D ✓ | Dentsply Sirona | $38,000–$75,000 | CBCT panoramic ceph, 11x10cm FOV... | ●●●●● |
| 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... | ●●●○○ |
| CS 9300 | Carestream | $30,000–$62,000 | CBCT, 17x13.5cm FOV, panoramic... | ●●●○○ |
The S600 is 2D-only - panoramic and ceph, no CBCT. If you're in group practice and doing any ortho, implants, or surgical planning, you're kneecapping yourself. The SL 3D costs $12K–$18K more used but you recoup that in two months with CBCT referral revenue alone. The S600 is a legacy machine for solo offices that just need routine pantos.
Ask for the tube hours from the Dentsply service portal - if it's over 6,500 hours, factor in a $9,500–$12,800 replacement in your first year. The real tell is whether the seller has the original purchase invoice; if they do and it's dated before 2015, the tube is likely due. Also ask if they've had any sudden loss of image contrast or grainy output - that's a tube warning sign.
For 95% of dental work - implants, ortho, impacted teeth, sinus planning - 11x10cm is plenty. You'll only hit the limit if you're doing full-arch reconstruction or jaw reconstruction where you need bilateral anatomy in one shot. The Pax-i 3D runs $72K–$95K used and costs $600 more per year to maintain, so unless you're a referral center or surgical hospital, you're paying for volume you don't need.
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I can have a unit sold, delivered, and integrated into your RIS within 18 days instead of 45–60 if you document the sensor status and last service date upfront - that saves a DSO manager about $8,000 in lost patient revenue and eliminates the back-and-forth that kills deals. I also have relationships with three authorized Dentsply service centers in Southern California, so warranty transfer and post-sale calibration happen without the 2-week lag most brokers eat.