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How to determine the lifespan of a mouthguard?

  • Post last modified:September 21, 2023

In our step-by-step guide on how to determine the lifespan of a mouthguard, we aim to provide you with clarity and guidance on this important aspect of sports safety. We understand that mouthguards play a crucial role in protecting athletes’ teeth, gums, and jaws from potential injuries during physical activities. Our empathetic approach seeks to help you understand the importance of assessing the lifespan of your mouthguard to ensure its continued effectiveness.

Protect Your Teeth During Sports


Step 1: Check for visible signs of wear and tear

Inspect the mouthguard for any visible signs of wear and tear, such as cracks, tears, or frayed edges. These may indicate that the mouthguard is no longer effective or safe to use. Here’s how you can check for these signs:

  • Carefully examine the entire mouthguard, paying close attention to the edges and any areas that may have experienced impact or pressure.
  • Look for any visible cracks or tears in the material of the mouthguard. These can weaken its structure and compromise its ability to protect your teeth and mouth.
  • Check for any frayed edges or loose threads. These can not only make the mouthguard uncomfortable to wear, but also pose a potential choking hazard.
  • If you notice any of these signs of wear and tear, it is important to replace the mouthguard as soon as possible. Using a damaged mouthguard can lead to injuries or reduce its effectiveness in protecting your teeth and mouth during physical activities.

By regularly inspecting your mouthguard for visible signs of wear and tear, you can ensure that it remains in good condition and provides optimal protection for your teeth and mouth.


Step 2: Assess the fit and comfort

  • Put on the mouthguard and assess how well it fits and how comfortable it feels.
  • Check if the mouthguard covers the entire upper teeth and fits snugly against the gums and the roof of the mouth. It should not be too loose or too tight.
  • Bite down gently to ensure that the mouthguard remains securely in place. It should not shift or move around.
  • Pay attention to any discomfort or pain while wearing the mouthguard. If you feel any pressure points, soreness, or irritation, it may be a sign that the mouthguard does not fit properly.
  • If the mouthguard no longer fits properly or causes discomfort, it is important to replace it. This is crucial to ensure optimal protection and comfort while using the mouthguard.

Example: “When you put on the mouthguard, make sure it covers your entire upper teeth and fits snugly against your gums and the roof of your mouth. Bite down gently to test if it stays securely in place. If you feel any discomfort, such as pressure points or soreness, it may be time to replace the mouthguard. Remember, a properly fitted and comfortable mouthguard is essential for protecting your teeth and mouth during activities such as sports or teeth grinding.”


Step 3: Evaluate the hygiene

Evaluate the hygiene of the mouthguard by examining its cleanliness and odor. Start by inspecting the mouthguard for any visible debris or discoloration. If you notice any build-up or stains, it is essential to clean it thoroughly. Begin by rinsing the mouthguard under cool water to remove any loose particles. Then, gently brush the mouthguard using a soft toothbrush and mild soap or non-alcoholic mouthwash. Be sure to scrub all surfaces, including the inner and outer sides as well as the crevices. Once you have finished brushing, rinse the mouthguard again to remove any soap residue. Finally, assess the odor of the mouthguard. If you notice a persistent unpleasant smell, despite proper cleaning, it may be an indication that the mouthguard needs to be replaced. Maintaining good hygiene is crucial for the effectiveness and longevity of your mouthguard.


Step 4: Check for changes in thickness or density

Examine the mouthguard carefully by visually inspecting it for any changes in thickness or density. Look for signs of compression or distortion, as these can affect the mouthguard’s ability to provide adequate protection for your teeth and mouth. You can do this by holding the mouthguard up to the light and looking for areas that appear thinner or more compressed than others.

To give you a better understanding, let’s say you have a mouthguard made of soft thermoplastic material. Over time, due to regular use and pressure, the material may start to thin out or become unevenly distributed. This can result in certain areas of the mouthguard offering less protection than others. For instance, you might notice that the material near the biting surfaces has become noticeably thinner or flattened, while other areas remain intact.

Additionally, changes in density can also occur. For instance, if you have a mouthguard with multiple layers, such as a dual-layered design, you should check for any separation or delamination between the layers. This can happen when the adhesive bonding the layers weakens over time, compromising the structural integrity of the mouthguard.

By examining the mouthguard for changes in thickness or density, you can ensure that it continues to provide optimal protection for your teeth and mouth. If you notice any significant alterations, it may be time to consider replacing your mouthguard to maintain its effectiveness.


Step 5: Consider the frequency of use

Consider how often you use the mouthguard. If you use it frequently for high-impact sports, it is important to understand that it may wear out faster. In such cases, it is necessary to replace your mouthguard more often to ensure its effectiveness and provide adequate protection for your teeth and mouth.

To determine how often you need to replace your mouthguard, assess the level of impact and frequency of use. High-impact sports such as hockey, rugby, or boxing can put more strain on the mouthguard, leading to quicker wear and tear. If you participate in these activities regularly, it is recommended to replace your mouthguard every season or at least every six months.

Regularly inspect your mouthguard for any signs of wear, tear, or damage. Look for cracks, holes, or deformities that may compromise its ability to protect your teeth and gums. If you notice any of these issues, it is crucial to replace your mouthguard immediately, regardless of how long you have been using it.

Remember, the purpose of a mouthguard is to provide optimal protection, and a worn-out or damaged mouthguard may not adequately fulfill this role. By considering the frequency of use and replacing your mouthguard as needed, you can ensure its effectiveness and maintain your oral health in high-impact sports.


Step 6: Consult with a dental professional

If in doubt, consult with a dental professional who can evaluate the condition of the mouthguard and provide expert advice on whether it needs to be replaced. Visiting a dental professional is crucial when it comes to assessing the effectiveness and durability of your mouthguard. They have the knowledge and expertise to thoroughly examine your mouthguard and determine if it is still providing adequate protection. They can also identify any signs of wear and tear that may compromise its functionality.

To consult with a dental professional, schedule an appointment with your dentist or orthodontist. During the appointment, explain your concerns about your mouthguard and ask for their evaluation. They will closely examine the mouthguard, looking for any cracks, tears, or distortions that could affect its fit or performance. Based on their assessment, they will provide you with expert advice on whether you need a new mouthguard or if the existing one can still be used.

Remember, a dental professional’s evaluation is essential to ensure that your mouthguard continues to provide maximum protection. So, if you have any doubts about the condition of your mouthguard, don’t hesitate to consult with them. They will guide you in making the right decision to safeguard your oral health.


Step 7: Follow manufacturer’s recommendations

Finally, refer to the manufacturer’s recommendations for the expected lifespan of the mouthguard. They may provide specific guidelines on when it should be replaced. To ensure optimal protection and hygiene, follow these steps:

  1. Check the manufacturer’s instructions: Look for any information regarding the lifespan of your mouthguard. Manufacturers often specify the recommended duration of use to ensure its effectiveness.
  2. Inspect the mouthguard regularly: Examine the mouthguard for signs of wear and tear. Look for any cracks, tears, or deformities that may compromise its protective qualities. If you notice any damage, it’s essential to replace the mouthguard immediately.
  3. Consider frequency of use: Take into account how frequently you use the mouthguard. If you use it regularly, especially during high-impact activities, it may wear out faster. In such cases, it’s advisable to replace it sooner to maintain optimal protection.
  4. Evaluate hygiene and cleanliness: Even with regular cleaning, mouthguards may accumulate bacteria over time. If you notice persistent odor, discoloration, or difficulty in cleaning the mouthguard, it may be time for a replacement to ensure proper oral hygiene.

By following these steps and adhering to the manufacturer’s recommendations, you can ensure that your mouthguard remains in good condition and provides the necessary protection for your teeth and jaws. Remember, replacing your mouthguard when necessary is crucial for maintaining its effectiveness and safeguarding your oral health.

The importance of regular replacements

In conclusion, we understand that determining the lifespan of a mouthguard can be a complex process. However, by following the steps outlined in our blog post, you can ensure the safety and effectiveness of your mouthguard. Remember to regularly inspect your mouthguard for any signs of damage, assess its fit and comfort, maintain proper hygiene, and consider factors such as frequency of use. It is also crucial to consult with a dental professional for expert guidance and to adhere to the manufacturer’s recommendations. By taking these measures, you can extend the lifespan of your mouthguard and keep your oral health protected.

Expert Advice

  • Regular inspection: We should regularly inspect the mouthguard for any signs of wear and tear, such as cracks, tears, or broken pieces
  • Proper cleaning: It is important to clean the mouthguard thoroughly after each use. We can use a toothbrush and mild soap to gently clean the surface, ensuring it is free from bacteria and debris
  • Storage: Proper storage is crucial in maintaining the lifespan of a mouthguard. We should store it in a clean, dry container, away from direct sunlight or extreme temperatures
  • Avoid chewing: We should avoid chewing on the mouthguard, as it can lead to premature damage or deformation
  • Follow manufacturer’s instructions: Every mouthguard comes with specific instructions from the manufacturer. It is essential to follow these guidelines, including recommended usage and replacement timelines
  • Regular replacement: Even with proper care, mouthguards have a limited lifespan. It is generally recommended to replace them every 6 to 12 months, depending on the frequency of use and the severity of wear and tear
  • Consider individual factors: Certain individuals may require more frequent mouthguard replacements, such as those with bruxism (teeth grinding) or those involved in high-impact sports. In such cases, it is important to consult with a dentist or healthcare professional for personalized advice
  • Comfort and fit: If the mouthguard becomes uncomfortable or no longer fits properly, it may be time for a replacement. A well-fitting mouthguard provides better protection and reduces the risk of injury
  • Regular dental check-ups: Regular visits to the dentist can help identify any oral health issues that may affect the lifespan of the mouthguard. Dentists can also provide guidance on maintenance and replacement
  • Be mindful of signs of deterioration: We should be attentive to any signs of deterioration, such as a foul odor, discoloration, or a change in texture. If any of these signs occur, it is advisable to replace the mouthguard promptly