Choosing Mouthguards for Teens with Developing Teeth

What are the primary differences between stock, boil-and-bite, and custom-fitted mouthguards?

Stock guards are pre-formed and ready to use, but they often lack retention, forcing the athlete to keep their jaw clenched to hold the device in place. Boil-and-bite versions use thermoplastic materials that soften in hot water, allowing the teen to mold the guard against their teeth for a tighter fit. A common example is the ethylene-vinyl acetate (EVA) guard found in most sporting goods stores, which provides a decent barrier for low-contact activities.

Custom-fitted options are vacuum-pressed onto a stone model of the teen’s mouth, offering superior comfort and energy distribution during impacts. The primary nuance here is that while custom guards are superior for contact sports, they aren't always necessary for low-impact sports like baseball. If the teen is only playing sports with minimal collision risk, a well-fitted boil-and-bite guard often provides sufficient protection without the higher price point.

How often should a teen's mouthguard be replaced to accommodate dental development?

A mouthguard should be replaced every 3 to 6 months during periods of rapid dental development or whenever the teen undergoes a significant orthodontic adjustment.

• Second molars erupting usually signal that a previous guard will no longer provide full coverage of the back teeth.
• Occlusion changes occur when teeth shift, creating pressure points that can cause the guard to feel loose or uncomfortable.
• Material fatigue manifests as thinning or tearing, which reduces the guard's ability to absorb shock during a collision.
• Growth spurts often widen the dental arch, making a previously tight guard feel restrictive or ill-fitting against the gums.

What specific materials are recommended for durability and comfort during adolescent growth spurts?

Yes, look for dual-laminate thermoplastic polyurethane, which offers high impact resistance while remaining flexible enough for changing arches. These materials typically have a Shore A hardness rating between 80 and 90, providing a balance of shock absorption and comfort that prevents the guard from feeling too rigid in a developing mouth.

How does the presence of orthodontic appliances like braces affect the choice of a mouthguard?

Braces require a specific type of mouthguard because the brackets create a unique profile that standard guards cannot accommodate. A specialized orthodontic guard features a wider channel and a flexible flange that fits over the brackets without locking onto them, which prevents the guard from pulling the wires or causing soft tissue lacerations during an impact. For instance, a guard designed for braces will have a deeper trough to account for the added bulk of the hardware.

The primary exception involves clear aligners like Invisalign, which are often worn during sports. While aligners provide some protection, they are not impact-resistant and can crack under force, potentially injuring the gums. In these cases, a custom-made guard that fits over the aligner is the safest route, as it protects both the teeth and the expensive orthodontic hardware from direct blows.

What features should parents look for to ensure adequate protection against concussions and dental trauma?

Look for a guard with a high-impact, shock-absorbing liner that covers all teeth and the gingival tissue to distribute force across the entire arch. A lot of people assume that a thicker mouthguard provides more protection against concussions, but research suggests that there is no definitive evidence that any mouthguard prevents concussions. Instead, focus on dental trauma prevention by choosing a material that stays securely in place during impact, as a guard that falls out upon contact offers no protection at all.

Are there specific mouthguard designs that better facilitate breathing and communication for teen athletes?

Yes, designs with integrated breathing channels or a low-profile anterior design allow for better airflow and clearer speech. These guards are often 2 to 3 millimeters thick in the front, which provides sufficient dental protection while minimizing the obstruction that typically makes athletes want to remove their gear.

How can a dentist assist in the selection process to ensure a proper fit during mixed dentition?

A dentist uses clinical impressions or digital scans to create a precise map of the dental arches, which is necessary for managing the complexities of mixed dentition.

• Panoramic X-rays allow the dentist to see the position of unerupted teeth, helping them predict how much space the guard needs to accommodate.
• Digital scans provide a 3D model that can be modified to allow for the natural eruption of permanent teeth over the coming months.
• Bite registration makes sure the guard aligns properly with the opposing arch, which prevents jaw strain during intense physical activity.
• Clinical assessment helps the dentist determine if the teen needs a guard that covers only the teeth or one that extends to the gum line.

What are the best practices for cleaning and storing a mouthguard to maintain hygiene throughout the season?

Rinse your mouthguard with cool water after every use and store it in a ventilated case to prevent bacterial growth. Use the following schedule to maintain a clean device:

Following this 1-7-30-180 day cycle makes sure that you remove debris and biofilm before it hardens on the material.