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What a dental nurse interview actually tests

Who interviews dental nurses, what happens on the trial shift, and which questions are really checking decontamination, emergencies and scope of practice.

Published 20 Sept 2026 · 9 min read

You have sat in a small staff room, been asked whether you work well in a team, said yes, been shown round the surgeries, and heard nothing. Or you did a trial afternoon that felt fine, and the practice manager said they had "gone with someone with more experience of Exact". Neither of those tells you what was actually being judged, and the generic interview advice you have read does not know the difference between a dental nurse and a receptionist.

Here is what the process usually is, and what the people running it are listening for.

Who is actually in the room

In a small independent practice, it is typically the principal dentist and the practice manager, sometimes with the lead nurse sitting in. The principal is assessing whether they want you six inches from their elbow for eight hours a day. The practice manager is assessing rotas, reliability and whether you will end up covering reception.

In a corporate — Bupa Dental Care, mydentist, Portman, Rodericks and the rest — the first conversation is often with a practice manager or a regional/area manager, and the clinical judgement happens later, on the floor. The person who first screens you may not be a registrant at all. That changes what lands: they are checking GDC registration, indemnity, DBS, hepatitis B status, availability and salary expectation before anything clinical.

In a hospital or community dental service, it is a formal panel against an NHS job description and a person specification, applied for through Trac or NHS Jobs, usually a senior dental nurse or dental services manager plus a consultant or specialist. Answers are scored against the criteria and the trust's values. Here, specifically, the person specification is not decoration — if it says "NEBDN post-registration certificate in dental sedation nursing" or "experience of special care dentistry", the panel has a form with those words on it and is ticking or not ticking.

Specialist practices behave differently again. An orthodontic practice will want to know whether you have nursed through bond-ups and debonds and can manage bracket and archwire stock. An oral surgery or implant list wants to know whether you have laid up for surgical extractions and flap work, handled a surgical motor and irrigation, and can keep a sterile field without being told.

The trial shift is the real interview

Most dental nurse recruitment involves a working interview: half a day or a full day, shadowing or nursing on a list. Ask whether it is paid and whether you are covered by their indemnity — a reasonable practice will have an answer.

What the dentist is watching, whether or not they ever say it:

  • Whether you glove up, contaminate your hands, then touch the mouse, the light handle, the drawer handle and the patient's notes. Clean and dirty hands is the single most visible habit in the room.
  • Whether you aspirate where the water is or where the dentist can see. High-volume tip placement on a lower seven, retracting the tongue and cheek, not fogging the mirror.
  • Whether you pass the next thing before it is asked for. If they have finished the caries removal and picked up the probe, someone who has nursed restorative work is already reaching for the matrix band and wedge.
  • Whether you can turn a surgery round in the gap they actually have. Zoning, wiping down, laying up the next set-up, getting the notes ready, without the dentist standing waiting.
  • Whether you speak to the patient. Not the clinician's script — your own: settling someone into the chair, safety glasses, checking they are comfortable, watching a hand go up.

A shallow trial shift looks like standing correctly and doing nothing until instructed. It is not rude. It is just indistinguishable from a first-week trainee.

The questions that are doing real work

A lot of the conversation is small talk. A few questions are load-bearing. They usually sound casual.

"Talk me through how you'd set up for a molar root canal." Shallow: "I'd get the endo kit out and make sure everything's ready." That tells them nothing. A real answer names things: rubber dam, clamp and forceps, frame; the file system the practice uses and whether it is rotary or reciprocating; apex locator; sodium hypochlorite and EDTA drawn up and labelled, with the hypochlorite handled away from the patient's face; paper points, gutta percha, sealer; the radiograph holder for working length; temporary restorative material. If you do not know their system, say which systems you have nursed on and ask which they use. That is a good answer, not a bad one.

"What do you do when you first come in?" This sounds like a question about punctuality. It is a question about whether you have ever been the person responsible for opening up. Dental unit waterline flushing, the sterilizer's daily tests and test strips or steam penetration test on a vacuum autoclave, checking the emergency drugs and oxygen and the AED, logging all of it. If you name the logbook, they know you have written in one.

"What happens to a used instrument between this patient and the next?" Follow the route and use their language: transport in a closed container, dirty-to-clean flow, ultrasonic bath or washer-disinfector with its own daily checks, inspection under illuminated magnification, pouching, cycle, traceability of batch and cycle number so an instrument set can be tied back to a patient. HTM 01-05 in England, SHTM 01-05 in Scotland, WHTM in Wales. Then the follow-up that separates people: "What if the sterilizer fails its test?" Quarantine it, do not use anything from it, record the failure, use the second machine or source instruments elsewhere, call the engineer, tell the manager. "I'd tell the practice manager" on its own is not an answer.

"How do you check a medical history?" Shallow: "I give them the form to update and get it signed." What they are really asking is whether you read it. The things a nurse notices before the dentist sits down: anticoagulants before an extraction, bisphosphonates or denosumab and MRONJ risk, poorly controlled diabetes and appointment timing, a penicillin or chlorhexidine allergy that changes what is on the tray, latex, steroid use, pregnancy before radiographs, a pacemaker or ICD before the ultrasonic scaler. You do not diagnose any of it. You flag it, out loud, before the handpiece is picked up.

"Tell me about a time you disagreed with a dentist." This is the scope-of-practice question in disguise. "I'd never question the dentist" is a poor answer, because you are individually registered with the GDC and the Standards for the Dental Team put raising concerns on you as well as on them. "I told them they'd got it wrong" is also a poor answer, in front of a patient especially. The answer they want is a mechanism: you interrupt quietly and factually at the point of risk — the consent form says UR6 and the notes say UR7, the LA carpule is out of date, the medical history has not been updated since 2023 — and anything bigger goes to the lead nurse, the practice manager, then up, with a note of it.

"What can't you do?" Interviewers who know the register ask a version of this. Radiographs only with a post-registration certificate in dental radiography, working as an operator under IRR17 and IR(ME)R with the practice's local rules and a named RPS. Impressions, fluoride varnish, oral health education, sedation nursing, orthodontic nursing — all post-registration training and all recorded. Being clear-eyed about what you are not yet trained for reads as safe, not weak.

Emergencies, safeguarding and the things they check sideways

Medical emergencies. Almost every practice asks. "I'd call 999 and get the dentist" is the answer of someone who has never been in one. What they want is role allocation: someone assesses and stays with the patient, someone calls 999 and can say the practice address and postcode, someone brings the emergency kit, oxygen and the AED from wherever it lives, someone clears a route for the ambulance crew and meets them at the door, someone writes the times down. Then the specifics: flat with legs raised for a faint; the drug and route for a hypo depending on whether they can swallow; adrenaline for anaphylaxis, and that the practice trains on this annually against the Resuscitation Council UK standards for primary dental care. If your last annual update was recent, say when.

Inoculation injury. Encourage bleeding, wash under running water without scrubbing, cover, report immediately, do not carry on with the list, risk-assess the source patient, occupational health or A&E quickly because post-exposure decisions are time-sensitive, record it. And your own hepatitis B status, because they will want the anti-HBs evidence for the file anyway.

Safeguarding. For children, and equally for adults at risk. They may ask what would worry you. Repeated failed appointments for a child with obvious untreated decay and pain, a carer who answers every question for an adult who can speak, an injury that does not match the explanation, delayed presentation. What you do: raise it with the practice safeguarding lead, document what you observed in the patient's own words rather than your interpretation, know that referral does not stop being your business because you passed it on. Say when you last did your level 2 or 3 training.

Software and NHS paperwork. Exact, R4, Dentally, iSmile — say which you have used and how deeply. If the practice is largely NHS, knowing what an FP17 is, how a course of treatment is banded and closed, and what a UDA means to the dentist you sit with makes you cheaper to train and they know it.

Take these with you

Have the paperwork in one folder and offer it before they ask: GDC number and registration, indemnity certificate, enhanced DBS, hepatitis B immunity evidence, your enhanced CPD log with the certificates behind it — the GDC sets a minimum number of verifiable hours across a five-year cycle for dental nurses, so check your own cycle and know where you are in it — plus radiography, sedation, orthodontic, fluoride or impression-taking certificates, and a reference from a clinician who has actually nursed alongside you rather than a manager who has not.

Before the interview, write out three set-ups you could narrate cold: one restorative, one surgical, one from whatever the practice's main workload is. Write the first ten minutes of your opening-up routine. Write your emergency roles. Those three pieces of paper cover most of what is genuinely assessed, and saying them out loud once beforehand is the difference between knowing it and sounding like you know it.

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