Retainers explained: Hawley, clear and bonded retainers in Australia (2026)

The last day of braces or the last aligner tray is not the end of orthodontic treatment. Teeth sit in bone that remodels constantly, and the ligaments that hold them have a memory; without something holding them in their new position, teeth drift back toward where they started. That something is a retainer, and you will have one for the rest of your life.

This guide explains the three types of retainer used in Australia, what a replacement costs, how long and how often you need to wear one, what to do when one is lost or no longer fits, and how to keep it clean. For the treatment that comes before, see our guides to braces cost and Invisalign cost.

Why you need a retainer

Relapse is the orthodontic word for teeth moving back after treatment, and it is the rule, not the exception. Lower front teeth are especially prone to re-crowding as the jaw continues to change through adulthood. The first year after treatment is the highest-risk period because the bone around the moved teeth is still settling, which is why retainers are worn full-time at first. After that, the risk drops but never reaches zero, which is why orthodontists now advise night-time wear indefinitely rather than for a fixed number of years.

A retainer costs a few hundred dollars. A second course of braces to fix relapse costs thousands. That is the whole economic argument.

Types of retainer

Type	What it is	Indicative replacement cost (AUD)	Lifespan	Pros	Cons
Hawley	Acrylic plate with a wire across the front teeth	$200–$800 (upper part of range)	5–10 years	Adjustable, durable, lets teeth settle together	Visible wire; affects speech at first
Clear (Essix / Vivera)	Thin clear thermoplastic tray moulded to your teeth	$200–$800; about $199 a set from at-home aligner brands	1–3 years	Nearly invisible, cheap, comfortable	Wears and clouds; can crack; cannot be adjusted
Bonded (fixed)	Thin wire glued to the back of the front teeth	Quoted per practice; typically within the same range	Many years if maintained	Nothing to remember or lose	Harder to floss; can debond without you noticing

Hawley retainers

The Hawley retainer is the classic design: an acrylic plate that sits against the palate (or behind the lower teeth) with a stainless-steel wire that runs across the front of the teeth. It is removable, adjustable by your orthodontist, and tough; a Hawley can last a decade. Because the biting surfaces of the teeth are not covered, the back teeth can settle together naturally after braces. The downsides are the visible wire and a lisp for the first week or two. Hawleys are the usual choice after complex cases, for children, and for anyone who has already destroyed two clear retainers.

Clear retainers (Essix, Vivera)

Clear retainers are thin thermoplastic trays vacuum-formed over a model of your teeth; Essix is the generic name, Vivera is Align’s version for Invisalign patients. They look like an aligner, are almost invisible and are the default after aligner treatment and increasingly after braces. They are cheaper to make but wear out faster: expect one to three years before cracks or cloudiness mean replacement, sooner if you grind. They cannot be adjusted, and because they cover the biting surfaces, some orthodontists prefer a Hawley for the first months after braces.

Bonded (fixed) retainers

A bonded retainer is a thin wire glued to the tongue side of the front teeth, usually the lower six and sometimes the upper four. You cannot forget it or lose it, which is why orthodontists like it for lower incisors, the teeth most likely to relapse. The trade-offs: flossing needs a threader or superfloss every day, calculus builds up around the wire if you are not meticulous, and the glue can fail on one tooth without you noticing, letting that tooth drift. Many people have a bonded wire on the lower teeth and a clear retainer on top.

What retainers cost in Australia

One set of retainers is normally included in the fee for braces or clinic-supervised aligners; What’s The Damage notes that retainers are usually included as one set in a full package and advises checking whether your quote covers them. Replacements are where the cost comes in. What’s The Damage’s November 2026 guide puts retainers at $200–$800 in Australia, with clear retainers at the lower end and Hawleys and bonded wires higher. SmilePath, an at-home aligner company, charges $199 for a set of its own clear retainers, $379 for two sets and $719 for eight, which works out at roughly $90 a pair in bulk.

Some orthodontists offer a retainer program: a set fee for several replacement sets over a number of years, which is worth asking about if you are hard on retainers. Health funds with orthodontic extras cover sometimes pay a benefit toward replacement retainers under the orthodontic item numbers, subject to limits; check your policy and ask for the item number before assuming anything. Our dental payment plans guide covers spreading the cost of larger bills.

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How long and how often to wear a retainer

Your orthodontist’s instructions override anything here, but the usual Australian protocol is:

1. Full-time for the first three to six months after braces (removed only to eat and brush), or from the day aligner treatment ends.
2. Nights only from then on, every night, for at least the first year or two.
3. Nights indefinitely. Most orthodontists now say for life, or at least several nights a week for life, because adult teeth keep drifting with age.

A bonded retainer stays on permanently and is checked at your regular dental visits. If you have one, you may still be given a clear retainer to wear at night over the top as insurance.

The practical test is fit. If a retainer feels tight when you put it in at night, your teeth moved during the day and the retainer is doing its job; wear it more. If it has been weeks and it will not seat fully, see your orthodontist before it cracks.

Lost, broken or tight retainers

Lost retainer: contact your orthodontist within days, not weeks. In the first year, teeth can move noticeably in a fortnight. Many practices keep your final digital scan or model on file and can make a replacement without new impressions; ask.

Cracked clear retainer: stop wearing it if the crack catches your gum or the retainer has split; a split tray applies uneven force. Order a replacement and wear the old one at night in the meantime if it is intact enough to seat.

Retainer no longer fits: do not force it, and do not try to reshape it in hot water. A retainer that will not seat means relapse has happened. Depending on how much, an orthodontist may make a new retainer to the current position, use a series of clear aligners to recover the movement, or in bigger cases re-treat. Earlier is cheaper.

Bonded wire feels loose or a tooth has moved: see your dentist or orthodontist to re-bond it. A wire that has debonded on one tooth is a common cause of a single front tooth drifting.

For any of these, you need a registered orthodontist or dentist; check their registration on the AHPRA register, and see our orthodontist directory to find one near you.

Cleaning and care

Rinse your retainer in cool water whenever it comes out, brush it daily with a soft toothbrush and cool water or mild soap, and soak it once or twice a week in a retainer cleaning tablet such as Polident Retainer and Mouthguard Cleanser ($6.49 for 36 at Chemist Warehouse). Never use hot water, toothpaste or bleach: clear retainers warp, scratch and weaken. Keep it in a ventilated case when it is not in your mouth, and never wrap it in a serviette.

For bonded retainers, floss under the wire daily with a threader or superfloss, and keep six-monthly hygiene visits so the hygienist can clean around it. Our retainer cleaner guide covers products and routines in detail.

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Retainers for children and teenagers

Teenagers lose retainers at a rate that surprises every parent, which is one reason orthodontists often prefer a Hawley (harder to lose, longer lasting) or a bonded wire for younger patients. Agree a routine: the retainer goes in the case the moment it comes out, and the case lives in one place. Keep the orthodontist’s number handy and replace promptly; relapse in a growing jaw can be fast. Our braces for kids guide covers the treatment side.

Common questions