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Staff scheduling in a dental clinic is not the same problem as in a shop. Your constraint is not footfall — it is that a chair cannot produce anything without a specific dentist and, usually, a specific assistant.
That makes the rota a capacity decision, not an administrative one.
Build the rota around chair hours
Start from the treatment schedule, not from staff preferences.
For each chair, for each day, you need: a dentist, an assistant if that dentist works with one, and reception cover for the whole opening period. Anything that leaves a chair staffed but unusable — or usable but unstaffed — is a wasted hour you are still paying for.
Write the chair requirement first, then fit people to it. Clinics that do it the other way round end up with three people free on Tuesday afternoon and nobody available on Saturday morning.
How many assistants
The honest answer depends on how your dentists work, and the way to find out is to measure rather than assume.
Time the same procedure with and without an assistant, three times each. If the difference is 25% or more, a shared assistant across two chairs is costing you chair time — which is almost always more expensive than the salary.
Do the arithmetic against your cost per chair-hour before deciding an assistant is too expensive.
Reception is a capacity constraint too
A single receptionist covering phones, arrivals, payments and rebooking during a busy period becomes a queue. Patients wait to pay, which delays the next appointment, which delays the chair.
Look at when calls actually arrive. In most clinics it is heavily concentrated in the first hour of the day and around lunchtime. Staff to the peak, not the average.
Holidays and sickness
Two rules prevent most of the chaos:
Fix a holiday request deadline — for example, all summer requests in by 1 April. Without one, you get requests in the order people think of them, and the person who asks last is treated unfairly.
Decide the minimum staffing that keeps the clinic open, and write it down. When two people are off sick, you want a rule rather than a negotiation.
For dentist absence, decide in advance whether appointments are moved or covered by a colleague, and who tells the patients. A patient rung the day before by someone who knows what is happening forgives the change; a patient who arrives to find their dentist away does not.
Stop rewriting the rota weekly
Most clinics rebuild the rota from scratch every week, which takes hours and produces inconsistency.
Instead, set a repeating baseline pattern — the same shape every week — and only edit the exceptions. Staff can plan their lives, and the person who builds the rota stops spending a morning on it.
Publish it at least two weeks ahead. A rota published on Friday for Monday guarantees that someone cannot arrange childcare, and that is how you lose good staff.
Keep a record of who worked when
Not for surveillance — for the two things it actually answers.
First, clinical: which assistant was present at a given appointment sometimes matters months later. Second, practical: disputes about hours worked are resolved in a minute with a record and take a week without one.
Review it quarterly
Look at whether the pattern still matches demand. Clinics grow into a rota shaped by how they looked two years ago — a Saturday clinic that no longer fills, or a quiet Wednesday that is now the busiest day.
In DOQ, each dentist has their own schedule and working hours, so the appointment calendar and who is actually available never drift apart.