The Day I Overlooked the Obvious
It was a Tuesday in September 2022. I remember because we'd just finished a week-long renovation of our second operatory, and I was feeling good about finally digitalizing our imaging workflow.
I'd spent the previous three months researching CBCT units—reading white papers, calling reps, even flying to a trade show to see the machines in person. We settled on a Dentsply Sirona unit. It fit our space, the software ecosystem looked solid, and the financing terms worked for a two-dentist practice like ours.
I placed the order on a Thursday. The sales rep was thrilled, the manufacturer confirmed a 6-8 week lead time, and I marked my calendar for late November delivery. Everything was on track.
Then in early October, I got the email that stopped everything: "Your order for the Dentsply Sirona CBCT unit cannot proceed to installation without a completed pre-installation site survey."
I remember staring at the screen. Site survey? What site survey? I'd never even heard of one.
Turns out, for a CBCT unit—especially the larger, more advanced models—the room itself needs to be ready. Things like power requirements (most need a dedicated 20-amp circuit), floor load capacity (some units weigh over 400 pounds), and even ceiling height for the gantry. Simple stuff if you know to check it. Which I did not.
My first mistake wasn't the wrong machine. It was not understanding—or rather, failing to ask—what needed to happen before the machine arrived.
The Domino Effect of One Missed Step
The site survey revealed our room had insufficient power. No big deal, I thought. Hire an electrician, run a new circuit, done. But here's where it got painful: we'd already scheduled the manufacturer's installation team for a specific week in November. Cancelling that meant a 10-week wait for the next available slot.
I called our electrician. He could do the work, but not for three weeks because he was booked. Then we needed a drywall patch. Then the flooring guys to come back and redo the corner they'd cut out for the electrical. One thing after another.
The total cost? Let me break it down:
- Electrical work: $480 (the unexpected circuit plus a minor panel upgrade)
- Drywall and paint: $350
- Flooring repair: $200
- Lost deposit on original installation slot: $500 (non-refundable because of late cancellation)
- Rush shipping on supplies we'd held off ordering: $170
- Me losing my mind for two weeks: Priceless, but not in a good way
I don't have hard data on how common this is across the industry, but based on the three other practice managers I've talked to since, my sense is that 1 in 5 digital equipment purchases hits some kind of avoidable delay. Maybe more for first-timers.
Oh, and the worst part? We could've been using that machine for patient scans in late November. Instead, we got it installed in mid-February. Three months of ROI, gone. I'd estimate the lost revenue at roughly $3,200—mostly from the CBCT scans we would have done (we charge $350 per scan, and I'd projected 4-5 per week).
So the total cost of my ignorance: about $4,900 in direct and indirect waste. Plus the embarrassment of explaining to my partner why we were paying for a machine we couldn't use.
How I Built Our Pre-Purchase Checklist
After the third rejection in Q1 2024 for a different piece of equipment (a milling machine, actually, which needed compressed air lines we hadn't run), I finally sat down and created a pre-check list. It lives on our shared drive now, right next to the vendor contact sheet.
The list isn't perfect, but it's caught four potential issues since then. Here's what it covers:
1. Physical Space
- Measure twice. Actual dimensions, not rough estimates. Include clearance for doors, cabinets, and the technician who needs to work behind the unit.
- Floor load. Some larger units (especially older Sirona models) can be surprisingly heavy. Check if your floor is concrete or wood-framed.
- Ceiling height. For the CBCT gantry, we needed 7'6". Our room had 7'8". That's cutting it close but it worked.
2. Electrical and Plumbing
- Dedicated circuit? Most intraoral scanners and milling machines just need a standard outlet. Big stuff? Often needs its own circuit. Ask specifically.
- Water lines. Some suction systems and compressors need water in and drain out. This was a hidden gotcha on a CAD/CAM system we almost bought.
- Compressed air. For milling units and some handpieces, you need clean, dry compressed air—which may mean running new lines or upgrading your compressor.
3. Vendor Coordination
- Get the site survey done before you order. Dentsply Sirona offers this for free for most equipment (as of Q4 2024, at least—verify current policy). Use it.
- Ask about installation timeline flexibility. If your contractor is busy, can the manufacturer hold the equipment? Some will for a storage fee. Others won't.
- Confirm who handles what. Some vendors include installation in the price. Others don't, and you need to hire a contractor. We got burned by this on our second purchase.
The surprise wasn't the electrical cost—it was the hidden dependencies between the installation scheduling and the site prep work. The timeline dominoes that fall when one thing is delayed.
The Checklist's Track Record
We've caught 47 potential errors using this checklist in the past 18 months. Well, 47 things that I flagged and investigated—maybe a third of them turned out to be nothing, but the rest saved us from repeats of the September 2022 disaster.
Most recently, we were considering a new sterilization unit. The checklist flagged that our autoclave room didn't have the right drain plumbing. We checked with the vendor, confirmed the issue, and adjusted our renovation plans before ordering. No delays, no lost deposits, no frantic calls to contractors.
Which brings me to the real lesson: the fundamentals of buying dental equipment haven't changed—you still need the right space, power, and plumbing—but the execution has transformed. Now we have a process. It's not fancy. It's a spreadsheet with 22 rows. But it works.
If you're reading this and you've never done a pre-installation site survey for a CBCT or milling machine, do it. Request it from your vendor before you sign the purchase order. It takes two hours of someone's time and might save you $3,200 and two months of lost revenue.
I wish I'd tracked my customer complaints more carefully from the start. What I can say anecdotally is that getting the installation right the first time made a noticeable difference in how my team felt about the new technology. They were excited to use it, not stressed about the installation chaos.
That matters more than we give it credit for.
