The billing-unit trap: how dental PMS pricing actually works

The single most common mistake when comparing dental practice software is comparing monthly prices that are not measured in the same unit. Dental PMS vendors bill four different ways, and the difference is not academic — it can swing the real price by a factor of three for the same practice.

The four units you will encounter:

• per-location — one price covers a physical office and (usually) all of its computers. Headcount may or may not be capped.
• per-provider — the price scales with the number of dentists. Hygienists are usually excluded, but confirm.
• per-user — the price scales with named logins. Critically, some vendors let "user" mean either a dentist or a front-desk workstation, and the quote changes accordingly.
• per-seat — the price scales with concurrent or installed workstations.

Take published figures from our database (sources on each product page):

• Open Dental publishes $199/month per location for the first year ($149 from month 13) — and that location price covers up to 3 dentists. The 4th dentist adds $20/month. But their official cloud offering bills per provider: $430/month including one dentist, +$150/month per additional dentist. Same vendor, same product family, two different units.
• Dentrix is per-location for the traditional on-premise product, while Dentrix Ascend (the cloud product) bills per user.
• Eaglesoft bills per user — but in documented quotes the "user" has referred both to dentists and to workstations, which is one reason reported prices for similar practices span a wide range.
• Curve Dental publishes no prices at all; third-party sources disagree about its billing unit, which is exactly what happens when pricing is quote-only.

So the question to ask before any comparison is not "how much per month" — it is "per what, and what does that include?"

• "Per what?" — location, provider, user, or seat? Get the vendor's own definition of "user" in writing.
• "What's included in that count?" — do hygienists count? Front desk? A second dentist who works Mondays only?
• "What happens at the next dentist or office?" — the marginal cost of dentist #4 or office #2 is where billing units bite.
• "What is not in this number?" — implementation, training, data conversion, add-on modules, and payment processing fees are the usual exclusions.

Our real 3-year cost figures (methodology) use these same rules, which is why a "$199" product and a "custom quote" product can end up closer — or further apart — than their sticker prices suggest.