How to Store Your Mouth Guard Correctly
Keeping a mouth guard clean and properly stored is not merely a convenience, it is essential for oral hygiene, defence against bacterial growth, and avoidance of dental trauma. Whether you wear a mouthguard to protect your teeth following a dental implant, during sleep, or for sporting activities like AFL, cricket, and lacrosse, these devices are continuously in contact with saliva, microorganisms, and environmental pollutants. Without careful maintenance, your mouthguard can easily turn into a haven for bacteria, which can lead to bad breath, odour, and even more serious gum disease or tooth decay. We frequently assist patients at Genesis Dentists North Melbourne who unintentionally jeopardise their oral health due to poor cleaning and storage practices. In order to preserve your smile and your investment, this thorough guide explains exactly how to clean, dry, and store your mouth guard.
Key Takeaways :
- 1. To avoid plaque and microorganism accumulation, clean your mouth guard every day using a gentle toothbrush, non-abrasive toothpaste, or antibacterial soap.
- 2. After cleaning, let the guard air-dry completely; keeping it wet encourages mould and bacterial growth.
- 3. To keep airflow going and avoid contamination, use a vented storage case.
- 4. Using techniques like diluted mouthwash, denture cleaner, or ultrasonic cleaning, perform a weekly deep clean.
- 5. Check and replace your mouth guard once a year or sooner if you see cracks, deformation, or wear and tear.
Why It's Important to Store Your Mouth Guard Properly
More than just a piece of  personal protective equipment, your mouthguard is a vital defence against injury to your soft tissues, teeth, and jaw. In order to prevent dental trauma during intense matches, sports fans in Melbourne’s AFL leagues and community cricket clubs rely on custom mouthguards. Users depend on them at night to guard against tooth wear, tooth loss, and the strain that grinding puts on the dental anatomy. However, regardless of how you use it, poor storage can:
- Give up the protective function and fit.
- If heated, will result in irreversible warping.
- Promote bacterial contamination and odour.
- Reduce its longevity.
In order to prevent infection, maintain oral hygiene, and prolong the life of your device, Genesis Dentists strongly advises implementing a daily care and storage routine.
Crucial Everyday Cleaning Procedures to Avoid Contamination
1. Rinse Right After Removal
Rinse your mouthguard under lukewarm water after taking it off. This aids in removing food particles, debris, and saliva that may encourage bacterial growth. It’s crucial to remember that using hot water or trying to boil your mouthguard will cause the material to deform and lose its fit.
2. Use a Gentle Toothbrush
Scrub your guard gently with a special soft toothbrush (not the same one you use for your teeth). Use it in conjunction with a mild antibacterial soap or a non-abrasive toothpaste. Steer clear of abrasive cleaners since they can cause tiny scratches that are home to bacteria.
3. Give it a good rinse.
Rinse your mouth guard well after brushing to get rid of any remaining debris, liquid mixture, or cleaner. This keeps the taste neutral and avoids irritation.
Weekly Deep Cleaning: Go Beyond Brushing Every Day
Stains, difficult-to-remove particles, and biofilm can accumulate even with careful daily care. Deep cleaning should be done every week or every two weeks, particularly for:
Participants in high-contact sports like lacrosse and the AFL Patients with bruxism or sleep apnea who wear mouth guards overnight orthodontic patients wearing aligners or retainers.
Here are three options for safe deep cleaning:
Choice 1: Soak with Diluted Mouthwash
In a clean container, combine equal parts water and antibacterial mouthwash. To eliminate residual bacteria and neutralise odour, soak your guard for 10 to 15 minutes.Â
Tip: Never soak for longer than is advised because too much time can harm the polymer.
Choice 2: Denture Cleaner Solution
Use lukewarm water to dissolve a denture cleaner tablet. This effervescent mixture aids in sanitization and loosens debris.Â
Tip: Always rinse well after soaking.
Choice 3: Ultrasonic Cleaning Equipment
Using vibration, a ultrasonic cleaner can remove bacteria and tiny particles. This works especially well for guards worn following dental implants or orthodontic treatments.
Drying: The Secret to Stopping the Growth of Mould and Bacteria
Storing a moist mouthguard is one of the most common errors patients make. Mould, bacterial colonies, and bad breath are all fueled by moisture. To guarantee dryness, take these actions:
- Air Dry Completely: Lay the guard out on a spotless surface in an area with good ventilation.
- Avoid Towels: Use a towel sparingly to avoid lint or contamination.Â
- Never Use Heat: Avoid using a hair dryer, microwave, or dishwasher.
How to Properly Store Your Mouth Guard
The first line of defence against cross-contamination is proper storage. Here's how:
- Select a Vented Case
Make use of a ventted storage container with holes for airflow. This keeps the guard dry and stops moisture from accumulating. At Genesis Dentists, we advise using medical-grade containers  made especially for mouthguards and retainers.
- Keep the case tidy.
Every week, use light antibacterial soap to clean your storage case. Before reinstalling the guard, let it completely dry. To keep things hygienic, replace the container if you see cracks or discoloration.
- Keep in a Dry, Cool Environment
Steer clear of windowsills, hot cars, and direct sunlight. Excessive heat can distort the substance, changing how you bite and raising the possibility of tooth injury.
- Secure Areas
Suitable locations include:
- A nightstand in the bedroom;
- A drawer in the bathroom away from steam;
- A shelf specifically for dental supplies.
Frequent Examinations for Protection and Longevity
Every week, check your mouth guard for:
- Cracks or chips.
- The looseness or warping.
- Odour that persists after cleaning.
- Fit or bite alignment changes.
Get it examined or replaced by getting in touch with Genesis Dentists North Melbourne if you observe these problems.
Ready to Take the Next Step for Your Dental Health?
Talk with our team about your concerns and the most appropriate next step.
When to Change Your Mouthguard
Mouth guards typically last 6–12 months, depending on:
- Use frequency (e.g., weekly AFL games vs. daily sleep wear).
- Your oral hygiene practices.
- There are indications of wear and tear.
Keep in mind that a mouth guard that is worn out offers no protection against tooth damage or jaw injury. Additionally, it may contain harmful amounts of bacteria that cause gum disease, bad breath, and even infections that need to be treated with sedation dentistry.
Typical Errors to Steer Clear of
- Cleaning with hot water or a dishwasher;
- Keeping wet in a sealed container; and
- Sharing your mouth guard with teammates.
- Making use of harsh chemicals or bleach ignoring routine inspections.
These errors not only reduce the lifespan of your guard but also raise the risk of dental trauma and jeopardise your oral hygiene.
Commonly Asked Questions
Q1: Can I clean my mouthguard with hydrogen peroxide?
A: Moderately. Although a diluted hydrogen peroxide soak can aid in sanitization, use it sparingly as it may cause material degradation. Rinse well after every use.
Q2: Can I keep my mouthguard in the restroom without risk?
A: Yes, provided that it is kept out of direct heat sources and steam in a sanitised, vented case. Make sure the bathroom is completely dry because moisture can raise the risk of mould.
Q3: Can I use toothpaste to clean my mouth guard every day?
A: Sure, but only with non-abrasive toothpaste. Scratching the surface with abrasive formulas can leave bacterial pockets.
Q4: How can I tell if my mouthguard is no longer fitting properly?
A: Keep an eye out for any changes in your bite, looseness, or trouble staying in place. The fit may also be impacted if you have had dental work, such as a crown or dental sealant.
Q5: What should I do if, despite cleaning, my mouthguard still smells?
A: Check for cracks and try a deep cleaning using ultrasonic cleaning or denture cleaner. Odours that don’t go away usually indicate that a replacement is needed.
Final Thoughts
Whether you’re a weekend cricket fan, a AFL athlete, or someone looking to protect your dental investment while you sleep, we at Genesis Dentists North Melbourne are dedicated to helping every patient protect their smile. Your mouth guard will continue to be comfortable, hygienic, and effective with regular cleaning, weekly deep cleaning, thorough drying, and appropriate storage. Avoid waiting until you discover damage or a lingering smell.To ensure that your mouth guard supports your oral health and safety for many years to come, develop the habit of routinely checking your device and setting up check-ups.
Get in touch with Genesis Dentists North Melbourne right now if you need assistance selecting the best cleaning solutions, require a professional ultrasonic cleaning, or need a replacement. Our top goal is to protect your teeth.
Contact Genesis Dentists: We're Here to Assist You in North Melbourne
Ready to book an appointment? We make it easy. You can schedule your visit by giving us a call or using our online appointment request form. We’ll do our best to accommodate your preferred date and time.
CONTACT
PHONE: 03 7020 9166
EMAIL: admin@genesisdentists.au
Ready to Take the Next Step for Your Dental Health?
Talk with our team about your concerns and the most appropriate next step.

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