Operations
Dental Office Call Volume by Time of Day: How to Find Your Peaks
Vendor benchmarks disagree on when dental patients call. Here is how to read your own call log, map your peak hours by day, and see where the desk overflows.
A go or no-go decision scored against criteria you committed to before the pilot started, with the evidence attached.
Most pilots in this category end with everyone agreeing it went quite well and nobody able to say what would have counted as failure. That is not a pilot, it is a trial period with a sunk cost attached.
day 30, the review
the baseline nobody took
The default version of this goes badly in a predictable way. A practice switches something on for a month, nobody measures anything beforehand, the vendor's dashboard shows encouraging numbers, and at the end everyone agrees it seems to be working. The subscription continues because stopping would feel like admitting a mistake.
That is not an experiment. An experiment has a thing it is trying to find out, a measurement taken before the intervention, and a stated outcome that would count as failure. A trial without those is a purchase with a delay built in.
Nine lessons below, spread across 5 weeks: 1 week of setup, 4 weeks of running, and a scoring session at the end. The discipline is deliberately front-loaded, because everything that makes a pilot informative has to be decided before it starts.
Thirty days is enough to learn whether a system handles your actual calls correctly, whether your staff can work with what it produces, and whether the handoff functions. Those are the questions worth answering and they are answerable in a month.
It is not enough to establish a revenue effect. Booking cycles, seasonality, and normal variation swamp a 30 day sample, and any vendor presenting a revenue lift from 4 weeks is presenting noise with a confident label on it. Judge operations, not outcomes.
That distinction sets the whole design. Every criterion below is about behaviour you can observe directly rather than a downstream number you would have to infer.
Thirty days answers "does this work correctly". It does not answer "did this make us money". Do not let the pilot be scored on the second one.
The largest confounder in a 30-day window is usually who was working. MGMA polled 357 practices in May 2025 and found front-office roles were the most frequently cited turnover hotspot even among practices whose overall turnover was improving [3]. One resignation inside your pilot window will move every number you are measuring, in the direction that flatters the vendor, and nothing in a dashboard will tell you that is what happened.
A pilot without a baseline can only be compared against impressions, and impressions are exactly what the pilot exists to replace. This has to happen in the setup week, because after go-live the comparison is gone forever.
Step 4 is the one people skip and it is the one that makes the economics real later. A 6 minute call plus 2 minutes of typing is 8 minutes, and knowing that is what turns "it saves time" into a number you can multiply.
Step 2 needs an honest definition before you can record it. Time to first human response means from when the patient first tried to reach you to when a person actually spoke to them, not to when a message was seen. Practices consistently record the second number because it is the one their systems produce, and it can understate the real figure by most of a working day.
Value the time you measured in step 4 while you are there. Published wage data puts the median for medical secretaries and administrative assistants at $22.08 an hour as of 2025 [1], and your own loaded cost is higher. That converts a saved minute into a figure without needing anyone to build a business case.
Time to first response means until a person spoke to them. Not until somebody saw a message.
If you have not done this before, size your missed-call gap is the long version of steps 1 and 3 and is worth the afternoon.
The single highest-value 20 minutes in this guide. Criteria written after the fact adjust themselves to whatever happened, and everyone involved will do this unconsciously and in good faith.
Commit to numbers in this shape:
| Dimension | Criterion | How it is measured |
|---|---|---|
| Correctness | 95% or better of sampled calls handled per your written rules | Manual review of sampled calls |
| Escalation | 100% of immediate-band calls reached a human | Every one, checked individually |
| Capture quality | 90% or better of captures usable without a clarifying callback | Front-desk marks each one |
| Speed | Time to first response under a stated target | Timestamp comparison |
| Staff burden | Confirmation time per capture under 90 seconds | Timed sample of 10 |
The escalation row is the only one at 100% and that is deliberate. A system that routes 97% of urgent calls correctly has failed, because the 3% is the entire reason the band exists.
Sign the page. Not literally, but get the practice owner and whoever runs the front desk to both look at these numbers before go-live and agree they are the test. The agreement is what stops them moving.
Set the numbers at what you actually need rather than at what you hope for. A criterion of 99% correctness sounds rigorous and will fail almost any system including a human front desk, which means the pilot ends in a negotiation about whether the bar was fair. Pick thresholds you would genuinely accept, then hold them.
One criterion deserves a note on measurement. Correctness is scored against your own written rules from the call handling rules guide, not against a general sense of whether the call went well. If you have not written those rules, the correctness criterion has nothing to be measured against and the pilot cannot produce a defensible number.
Where an external comparator exists, borrow it rather than inventing a threshold. A 2022 study of 6 Veterans Affairs medical centres selected for above-average primary care access records the telephone standards those sites were held to: an average speed of answer of 30 seconds or less, and call abandonment under 5% [4]. Numbers you did not choose yourself are much harder to quietly relax in week 3, which is exactly what makes them useful in a success criterion.
Success criteria tell you when to continue. Kill criteria tell you when to stop early, and a pilot without them will run its full 30 days regardless of what happens in week 1.
The first 3 are absolute and stop the pilot the day they occur. They are not performance issues, they are the failures the whole call handling document exists to prevent, and treating them as data points to be averaged is the wrong response.
Row 4 needs a stated response as well as a threshold. Correctness below 80% in the week 2 sample is not automatically a stop, it is a decision point, and the useful version says who makes that call and by when. Left undefined it becomes a conversation that runs until week 4 arrives and settles it by default.
Row 5 is worth defining narrowly. A complaint about the automated handling is different from a complaint about the practice generally, and conflating the two will either trip the criterion unfairly or let a real signal hide inside normal grumbling. Write down what counts before you need to judge it.
Name who has authority to invoke a kill criterion, and make sure it is not the person who championed the pilot. That is not a comment on anyone's integrity, it is that nobody is a good judge of the thing they advocated for.
The person who can stop the pilot should not be the person who chose the vendor. That is a structural point, not a personal one.
A pilot covering everything tells you nothing, because when it underperforms you cannot say which part. Narrow it until it covers one clearly defined slice that is nonetheless capable of failing.
Step 4 matters more than it sounds. Running the pilot alongside your existing arrangement rather than instead of it means a failure is an inconvenience rather than an incident, and it means you can stop on the day a kill criterion trips without leaving a gap.
Resist scope creep during the month, however reasonable each request is. Adding a second call type in week 3 means you no longer have 4 comparable weeks, and the person asking will not be the person who has to interpret the result.
Keep a parked list rather than saying no outright. Requests that arrive mid-pilot are usually good ideas arriving at a bad time, and writing them down does two useful things: it stops the conversation without a fight, and it produces a ready-made scope for the second phase if the answer turns out to be yes.
One scoping question is worth settling explicitly before you start, because it will otherwise be settled by whoever is on shift. Decide whether existing patients calling out of hours are in scope or out. Both answers are defensible, the behaviours are quite different, and mixing them means the correctness number is an average across two populations that should have been measured apart.
This is the lesson that most separates a real pilot from a vendor demonstration. A dashboard reports what the system believes happened. Listening reports what happened.
Forty calls over the month is enough to see the pattern and small enough that one person can do it in about 45 minutes a week. Random selection is essential: a sample the vendor picks is a showcase, and a sample of the calls that went wrong is a complaints file. Neither is a measurement.
Read the transcript rather than the summary, always. Summaries are generated by the same system you are evaluating, and a system that misheard a caller will produce a summary that is internally consistent and wrong.
The same principle applies to how you judge an effect size at the end. The evidence literature in this area is a useful corrective: a Cochrane review of appointment reminder trials reported an effect and still concluded the evidence was insufficient to conclusively inform policy [2]. A 30 day sample from 1 practice is much weaker than that, so treat your result as an operational verdict rather than a measured outcome.
Your pilot is not a study. It is a competent operational check, and it should be reported as one.
There is one sampling refinement worth adding in week 3 if you have capacity. Alongside the 10 random calls, deliberately review every call the system itself flagged as low confidence. That is a different question from correctness: it tells you whether the system knows when it does not know, which is the property that makes the escalation rule dependable.
The failures list is the most valuable artefact the pilot produces. It is what you show the vendor, it is what distinguishes a fixable configuration problem from a limit of the product, and it is far more persuasive in a renewal conversation than any aggregate.
Most of the time saving a practice is buying happens after the call ends. If you only measure the call, you have measured the half that the vendor controls and none of the half your practice lives with.
| What to time | Why |
|---|---|
| Capture to first human view | Does anyone actually see it, and when |
| Human view to confirmation | The real per-item cost of the new process |
| Captures needing a clarifying callback | The honest measure of capture quality |
| Captures actioned same working day | Whether the queue is a queue or a pile |
The third row is the one that decides whether this is worth anything. A capture that requires a callback to clarify has replaced one phone call with a different phone call, and if that rate is high the product has moved work rather than removed it.
Have the front desk mark each capture with a single tick for usable or not usable as they process it. It costs nothing, it takes the judgement away from the aggregate, and it produces a number nobody can argue with at the end.
Define usable before the first tick is made, or you will get 4 weeks of inconsistent judgement. A workable definition is that a capture is usable when a person can act on it without contacting the patient for clarification. Not whether it was perfect, not whether the caller was pleasant, just whether it needed another call.
Row 4 deserves an explicit threshold as well as a measurement. Captures actioned the same working day should be near 100% during opening hours, and a rate materially below that says the destination you chose in your handoff design is not being watched. That is a process finding about your practice rather than a verdict on the product, and it is worth separating in the write-up.
Halfway through, look at the numbers together. The purpose is to catch a kill criterion and to notice a fixable configuration problem, not to start improving the score.
Step 4's date matters. If you change the configuration in week 2 you no longer have 4 comparable weeks, you have 2 plus 2, and your final score should be computed on the later pair with that stated. Silently changing things mid-pilot and reporting a monthly average is the most common way a pilot flatters itself.
Step 3 is the judgement call. A system saying the wrong practice name is configuration. A system unable to route reliably to a human when uncertain is not, and no amount of prompt adjustment will change it.
At the end of week 4, go back to the criteria page and fill in the actual numbers beside the committed ones. Do this before any discussion, and preferably before the vendor's own end-of-pilot report arrives.
The last row catches a specific failure that otherwise hides. A pilot that captured 90 requests and left 30 unactioned did not save the practice time, it created a backlog, and the backlog will not appear in any correctness measure.
Reading the vendor's report afterwards rather than first is a small discipline with a large effect. Their numbers are usually accurate and they measure what their system did, which is a subset of what you care about.
The decision is a sentence, and it should reference the criteria rather than a feeling. Write it down whichever way it goes, because the reasoning is what you will want in 6 months when the question comes back.
The fourth row is the one that has value regardless of outcome. Most practices running this properly learn something about themselves that has nothing to do with the vendor: that captures sit for a day before anyone looks, that nobody was tracking escalations, that the recall list is the real problem.
The third row is the one that keeps a no from being permanent. "We would revisit this if the usable-capture rate reached 90%" is a specific, checkable condition that lets a vendor come back with something real, and it stops the decision hardening into a general belief that this category does not work.
Be careful how the decision gets communicated internally, particularly after a no. Staff who were sceptical will hear a no as vindication and staff who were hopeful will hear it as a verdict on their judgement. The numbers on the page are the antidote to both readings, which is another reason to circulate the scored criteria rather than the conclusion alone.
A no is a good outcome, cleanly reached. It cost you 5 weeks and about 8 hours of one person's time, and you now have a baseline, a failures list, and a criteria page that make the next evaluation much faster.
Give them the failures list and the scored criteria page, whichever way you decided. A vendor receiving 40 sampled calls with annotated failures is getting something genuinely useful, and how they respond to it is itself information about who you would be working with.
Ask them one question when you hand it over: which of these failures is configuration and which is a limit of the product today. A vendor who answers that honestly, including naming the ones they cannot fix, is worth more than one who promises all 40 will be resolved by next month.
If the answer is yes, keep the measurement running at a lower cadence. Five sampled calls a month rather than 10 a week is enough to notice drift, and drift is real: a configuration that was correct in March meets new treatments, new staff, and new call reasons by September.
If the answer is no, keep the artefacts. The baseline stays valid for about 6 months, the call handling rules stay valid indefinitely, and the criteria page can be reused verbatim on the next vendor. That is the compounding benefit of running one of these properly, and it is why the call handling rules come first.
The plain-language explainer: what it does, what it deliberately doesn't, and how it compares with voicemail, an answering service, a phone tree, and hiring.
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