Custom Mouthguard vs Chemist: Is It Worth It?

edit_note Townsville Dental Directory editorial team · Updated 19 May 2026
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Every year in Australia, approximately 5 million teeth are knocked out during sport, according to the Australian Dental Association. The majority of these injuries occur in athletes not wearing a mouthguard — or wearing an ill-fitting one that failed to protect them. The question is not whether you need a mouthguard for contact sport, but whether the type of mouthguard you choose actually provides meaningful protection.

Research published in Dental Traumatology (2018) found that custom-fitted mouthguards reduce the risk of dental injury by approximately 80 per cent compared with boil-and-bite alternatives. At Townsville Dental Clinic, we fabricate custom mouthguards for athletes of all ages and sports, using precise dental impressions and high-grade laboratory materials.

Custom vs Chemist Mouthguard: Full Comparison

FeatureCustom-Fitted (Dentist)Boil-and-Bite (Chemist)Stock (Off-the-Shelf)
FitExact — made from dental impressionApproximate — self-mouldedGeneric — no adaptation
ThicknessUniform 3–4 mm throughoutThins during moulding (especially biting surface)Uniform but often too thick or thin
Protection levelHigh — even force distributionModerate — inconsistent thicknessLow — poor retention
RetentionStays in place without clenchingMay dislodge on impactRequires jaw clenching to stay in
BreathingNormal — trimmed for comfortRestricted — bulky fitSignificantly restricted
SpeechClear — minimal interferenceMuffled — excess materialVery difficult
ComfortExcellent — adapted to individual anatomyModerate — pressure points commonPoor — gagging common
Durability2–3 seasons (adults)1 season or less1 season or less
Cost (AUD)$150–$300$10–$40$5–$15

Why Fit Matters for Protection

The protective mechanism of a mouthguard depends on three factors:

  1. Even force distribution — when an impact strikes, the mouthguard must spread the force across multiple teeth rather than concentrating it on the point of contact. Uniform thickness achieves this; thinned or uneven material does not.

  2. Retention — the mouthguard must stay in place during impact. A guard that dislodges on contact provides zero protection at the moment it matters most. Custom guards grip the teeth precisely; boil-and-bite guards often shift or fall out.

  3. Shock absorption — the mouthguard material must be thick enough to absorb and dissipate force before it reaches the teeth and jaw. Laboratory-processed EVA maintains its shock-absorbing properties; boil-and-bite material degrades faster.

The Cost of Not Wearing a Proper Mouthguard

Dental InjuryTreatmentEstimated Cost (AUD)
Chipped toothComposite bonding$200–$600
Fractured toothCrown$1,200–$2,000
Knocked-out tooth (replanted)Root canal + crown$2,000–$3,500
Knocked-out tooth (not saved)Implant + crown$5,000–$8,000
Jaw fractureHospital surgery$5,000–$15,000+
Concussion (reduced by mouthguard)Emergency + follow-upVariable

A $180 custom mouthguard is a fraction of the cost of even the most minor dental injury treatment.

Custom Mouthguards for Children

Children’s mouthguards require more frequent replacement because their jaws are growing and teeth are changing. We recommend:

  • Annual replacement (or sooner if the fit loosens)
  • Bringing the mouthguard to every six-monthly dental checkup for fit assessment
  • Starting custom mouthguards from the time a child begins organised contact sport (typically age 6–8)

Ready to book? Contact Townsville Dental Clinic

Frequently Asked Questions

Is a custom mouthguard worth the extra cost over a chemist one?
Yes. Research published in Dental Traumatology (2018) found that custom-fitted mouthguards are approximately 80 per cent more effective at preventing dental injuries than over-the-counter boil-and-bite alternatives. Custom mouthguards are made from a precise dental impression, ensuring an exact fit that distributes impact force evenly across the teeth, stays in place during activity, and allows normal breathing and speaking. A chemist mouthguard costs $10 to $40 but offers significantly less protection — a poor trade-off when a single knocked-out tooth can cost $5,000 to $8,000 to replace.
What is the difference between a custom and boil-and-bite mouthguard?
A custom mouthguard is fabricated in a dental laboratory from a precise impression of your teeth. It is made from high-quality ethylene vinyl acetate (EVA) in uniform thickness (3–4 mm) that provides consistent shock absorption. A boil-and-bite mouthguard is a generic pre-formed shell softened in hot water and moulded by biting. The fit is imprecise, the material thins during moulding (especially over the biting surfaces where protection is most needed), and it often feels bulky, making breathing and communication difficult.
How much does a custom mouthguard cost in Australia?
A custom-fitted mouthguard from a dentist typically costs $150 to $300 in Australia. At Townsville Dental Clinic, custom mouthguards start from $180. Boil-and-bite mouthguards from a chemist cost $10 to $40. While the upfront cost of a custom guard is higher, it lasts 2 to 3 seasons with proper care, compared with 1 season or less for a boil-and-bite. Many private health insurance extras policies provide rebates of $100 to $200 for custom mouthguards, reducing the out-of-pocket cost significantly.
Which sports require a mouthguard in Australia?
In Australia, mouthguards are mandatory for contact and collision sports including rugby league, rugby union, AFL, hockey, boxing, martial arts, and lacrosse. The Australian Dental Association also recommends mouthguards for basketball, netball, cricket (batting and wicketkeeping), soccer, water polo, and skateboarding. Any sport with a risk of contact with other players, equipment, or hard surfaces warrants a mouthguard. Schools and sporting clubs in North Queensland increasingly mandate custom-fitted mouthguards for registration.
How often should a mouthguard be replaced?
A custom mouthguard should be replaced every 2 to 3 seasons for adults or annually for children and teenagers whose jaws are still growing. Replace the mouthguard sooner if it becomes loose-fitting, develops holes or tears, thins significantly, or no longer covers the teeth fully. Bring your mouthguard to every dental checkup so your dentist can assess its condition. A mouthguard that no longer fits properly provides reduced protection and can be a choking hazard.

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