Dental therapist vs dental hygienist

At Smile Solutions, part of your treatment may be provided by a dental therapist, a dental hygienist, or a dual-qualified oral health therapist — someone qualified in both.

The roles look similar from the waiting room. They are quite different in scope. A third comparison people often want alongside this one is dental hygienist vs dentist, and what does a dental hygienist do? covers the hygienist’s work in detail. The clinical team lists each practitioner and their title.

The dental therapist

Responsible for the general dental care of people under the age of 18.

That includes:

• check-ups — children's dentistry and when should a child first visit the dentist?
• preventative treatment — kids teeth cleaning tips, the role of fissure sealants in children's teeth and protecting your child from dental disease
• restorative treatment — dental crowns for children: silver or white?
• removal of teeth — should I pull out my child's loose tooth?
• pulpotomies
• referral to other dental practitioners when required — should your child see a specialist paediatric dentist?

A pulpotomy is the removal of the inflamed pulp tissue in the crown of a baby tooth, leaving the root portion in place — it is the child equivalent in spirit, though not in technique, of root canal treatment in an adult tooth.

Autonomous, within a scope

Dental therapists are autonomous practitioners — solely responsible for formulating and completing treatment options for their patients.

But because they are not dentists, they work within a defined scope of practice. And here is the point that confuses patients: each therapist’s scope is specific to their training, so it depends on where the practitioner was trained.

This is not an in-house convention. The Dental Board of Australia maintains a Scope of practice registration standard, in effect since 1 July 2020, which sits alongside its other registration standards and applies across the dental professions. That standard is what ties a practitioner’s scope to their education and training rather than to their job title — which is exactly why two people who both call themselves dental therapists may not be able to do precisely the same list of things.

What they cannot do

For example: a dental therapist cannot extract a permanent (adult) tooth, but can extract deciduous (baby) teeth. Order and appearance of baby teeth explains which is which at a given age.

Their training includes identifying when a patient needs treatment outside that scope — at which point they refer to a general dentist or a specialist. That recognition is itself part of the qualification. Why would I need to see a dental specialist? and specialist care cover where those referrals go; paediatric dentists are the specialists for complex children’s cases.

Why children are often seen by a therapist

Dental therapists receive extensive training in the management and treatment of children, which is why many of the children treated here have their care managed by one. That training matters for more than technique — see combating dental anxiety in children and visiting the dentist: caring for a child with autism. If your child needs urgent care, children's dental emergencies sets out what to do.

The one adult exception

Therapists can also work in the orthodontic department alongside and under the instruction of a specialist orthodontist. That is generally the only situation in which a dental therapist treats an adult — unless they also hold the dental hygienist qualification. Orthodontics, orthodontists and children's braces and Invisalign.

The dental hygienist

Can work on a patient of any age.

Mainly responsible for the periodontal (gum) health of their patients, working with them on preventing oral disease — what is gum disease? and periodontal (gum) disease. Dental cleans and hygienists is the service page, and your Smile Solutions dental hygienist visit: what to expect describes the appointment.

Hygienists mostly work in tandem with the general dentist and specialist periodontist, and may be responsible for:

• updating radiographs (X-rays) — how safe are dental x-rays?
• referrals to specialists for orthodontics, wisdom teeth, oral medicine concerns and more

The substance of the work is the same in every case: plaque is a biofilm, and only mechanical disruption removes it. Once it mineralises into calculus, instruments are the only option — which is what a hygienist appointment is for. Rinses and mouthwashes act on what is left behind, not on the biofilm itself: the truth and myths about mouthwashes. Where pockets have already reached 5mm or more, that is periodontitis and it needs treatment beyond a routine clean — when do you need deeper cleaning? and periodontists.

The key structural difference

Hygienists are also autonomous practitioners, but they are not solely responsible for the general care of their patients.

A general dentist provides the examination and treatment of all adult patients. General dentistry and what is the difference between having your teeth cleaned by a dentist and a dental hygienist?

So where a therapist can own a child’s whole course of care, a hygienist works within a shared model alongside the dentist.

In summary

What the Dental Board requires of all of them

Whichever division a practitioner is registered in, the same body sets the conditions of their registration. The Dental Board of Australia publishes a set of registration standards, each with its own date of effect:

• Scope of practice — in effect 1 July 2020
• Continuing professional development — 1 December 2015
• Recency of practice — 1 December 2015
• Professional indemnity insurance arrangements — 1 July 2016
• English language skills — 18 March 2025
• Criminal history — 15 July 2026
• Endorsement for conscious sedation — 27 October 2015

Two of those are worth a patient’s attention. Recency of practice means registration is not a certificate you earn once and keep regardless; it carries an expectation of current practice. Professional indemnity insurance means there must be cover in place for the work being done. Neither is visible in the room, but both sit behind the name on the door.

Note also that conscious sedation is an endorsement, not a division — a separate thing a registered practitioner may add to their registration, not something every practitioner holds.

Where the referrals go

When a therapist or hygienist refers you on, the endpoint is often a registered specialist. The Dental Board recognises 13 dental specialties, approved by the Australian Health Workforce Ministerial Council — the list includes paediatric dentistry, orthodontics, periodontics, endodontics, prosthodontics, oral surgery, oral and maxillofacial surgery, oral medicine, special needs dentistry and others.

Specialist registration is not automatic with a postgraduate degree. The Board requires an applicant to hold general registration in the division of dentists, to hold an approved specialist qualification, and to have completed a minimum of two years general dental practice — a requirement that may be met by experience outside Australia, subject to assessment and approval by the Board.

Recognised specialist titles are protected titles under the National Law, and misuse of one is an offence. So paediatric dentist and orthodontist are checkable facts about a person, in a way that most descriptive phrases used in dental advertising are not.

One title that is not what people assume

A small but genuinely useful point about how dental practitioners are addressed. A 2017 submission to a federal parliamentary inquiry on private health insurance and dental fees records the Dental Board’s position that there is no provision under the National Law specifically prohibiting dentists from using the title “doctor”, and that any such use is a courtesy title rather than a medical qualification.

We mention it because patients reasonably read titles as a guide to training, and in this one case the title carries less information than it appears to. The division a practitioner is registered in — dentist, dental therapist, dental hygienist, oral health therapist, dental prosthetist — is the part that tells you what they are qualified to do.

Oral health therapists — where the profession is heading

We have a mix of oral health therapists (dual-qualified), dental hygienists and orthodontic therapists, working across the general, orthodontic and paediatric departments.

Many universities now graduate only dual-qualified oral health therapists — so over time the distinction described above will matter less for new graduates, and more for understanding the scope of practitioners already working.

The therapist role also has a distinct geography. The same parliamentary submission cites an Australian Institute of Health and Welfare survey (2013) finding that the highest rates of dental therapists were in remote and very remote areas — a reminder that the division exists partly to put clinical care where dentists are scarcest, and that it argued the public should be better informed about what therapists and hygienists are qualified to do.

Having a large team means these practitioners can consult one another, which is a practical advantage when a case sits near the edge of someone’s scope. Registered specialists are identified as such, and understanding your treatment explains how a plan is put together across practitioners.

Common questions

My child has been booked with a dental therapist rather than a dentist. Is that a lesser appointment?

It is a different registration division, not a junior version of one — and for routine children's care it is the division specifically trained for the job.

The structural answer is the Dental Board of Australia's Scope of practice registration standard, which "requires dental practitioners to practise within the scope of their education, training, and competence at all times." That obligation applies to every registered practitioner equally. A dental therapist is registered in their own division under the Board, appears on the same public register, is bound by the same registration standards — continuing professional development, recency of practice, professional indemnity insurance — and carries the same duty to work within what they were trained to do.

What that means practically is that a therapist's scope is defined rather than restricted by supervision. As the page above sets out, they are autonomous practitioners, solely responsible for formulating and completing treatment for their patients within that scope, and their training explicitly includes recognising when a case falls outside it. The referral is part of the qualification, not an admission of a gap.

There is also a public-policy argument that the public is under-informed about all this. A submission to the 2017 Commonwealth parliamentary inquiry into private health insurance and out-of-pocket costs argued that "the Australian public should be informed of the scope of practice for dental therapists and oral/dental hygienists," and noted that these practitioners are concentrated where dentists are scarcest — the same submission cites an Australian Institute of Health and Welfare survey finding the highest rates of dental therapists in remote and very remote areas. In much of Australia a therapist is not the alternative to a dentist; they are the available clinician.

If you want to know exactly what your child's practitioner can do, two things are worth doing rather than worrying: look them up on the AHPRA register to see the division they are registered in, and ask at the appointment what would trigger a referral to a dentist or to a paediatric dentist. Both answers should come readily.

My child is about to turn 18. What happens to their care?

It moves across to a general dentist, and it is worth arranging rather than discovering.

As the page above sets out, a dental therapist's scope covers the general dental care of people under the age of 18 — with the single exception of working in an orthodontic department under the instruction of a specialist orthodontist. Once your child passes that threshold, a general dentist provides the examination and treatment of all adult patients, with a hygienist covering the gum and prevention side alongside. Nothing about the quality of care changes; the responsibility for the overall course of care changes hands.

Three things worth doing at the last appointment before the birthday:

• Ask for the handover to be arranged, so the next recall is already booked with the right practitioner rather than lapsing. The late teens and early twenties are the years people most often drop out of regular attendance.
• Ask what is outstanding or being monitored — a watched tooth, an unerupted wisdom tooth, an orthodontic retainer, a history of chalky enamel — and get it in writing so the new clinician inherits the list rather than the file.
• Have the recall interval reviewed rather than assumed. It is a clinical judgement about risk, not a scheduling default, and the risk profile of an 18-year-old who has left home and is eating differently is not the one that was set at fourteen.

If orthodontic treatment is still running, that continues under the orthodontist regardless of the birthday. And if a retainer is in place, the retainer is the part that gets abandoned first and matters most — ask who is checking it and how often. See general dentistry, orthodontics and how often should I go to the dentist?

Could I just see a hygienist or therapist, without a dentist involved at all?

Not as things stand for adult general care in the private sector, and the reason is worth understanding — as is the fact that there is a live argument about whether it should change.

The current position rests on two things. First, the Dental Board's scope of practice standard ties every practitioner's work to their education, training and competence — so the question is never the title but what that individual was trained to do. Second, for hygienists specifically, the arrangement is a shared-care one: hygienists are required to have a referral and consultative relationship with a general dentist at minimum, and it is the general dentist who provides the examination and treatment of adult patients. A hygienist appointment assesses and treats the gums; it is not a search for decay, and a hygienist is not registered to diagnose or restore a cavity.

So booking only cleans means nobody is systematically examining for decay, cracks or soft-tissue changes. That is the practical reason the two appointments exist, rather than a commercial one.

The argument for change is on the record. The same 2017 parliamentary submission asked directly: "Are they qualified to perform basic dental work such as fillings in the private sector? If so, those with commensurate qualifications should be able to practice as independent practitioners within that scope." It framed that as expanding consumer choice and improving access in remote areas. It is a submission to an inquiry — a proposal, not the law — and this page is not the place to adjudicate it. But it tells you the boundary is a policy choice rather than a fact of nature.

What you can do now: ask when you book whether the practice takes direct hygienist bookings and what that appointment includes, and ask when your last full examination was. Published fees for each appointment type are in the price guide. See dental cleans and hygienists and dental hygienist vs dentist.

Related reading

• What is the ideal daily routine for oral hygiene?
• How to encourage your child to brush their teeth
• How does the Child Dental Benefits Schedule operate? and the Child Dental Benefit Schedule
• Who is a suitable candidate for dental sealants?
• Is flossing really that important?
• The benefits of fluoride
• Price guide

Practical details

You can check any practitioner’s registration and division — dentist, dental therapist, dental hygienist, oral health therapist, or specialist — on the AHPRA register, or by calling 1300 419 495. The register also shows current registration status and any conditions, which is the part most people do not know to look for.

Smile Solutions, Level 1, 220 Collins Street, Manchester Unity Building, Melbourne VIC 3000 — getting here. Phone 13 13 96, contact us, or theteam@smilesolutions.com.au. Monday–Friday 8.00am–6.00pm, Saturday 8.30am–1.30pm, Sunday by appointment.

Published 9 October 2018. Scopes of practice are set by the Dental Board of Australia and vary with individual training. Registration standards and their dates of effect change; the Dental Board’s own site is the current authority. Material quoted from a 2017 submission to a Commonwealth parliamentary inquiry is that submitter's argument, not government or regulator policy. General information only; it does not replace advice from your treating practitioner.

Smile Solutions trades under ABN 28 193 514 103.