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 whats the difference between a youth and adult mouth guard mma-0

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What’s the difference between a youth and adult mouth guard mma?

Dec 22, 2025

In the dangerous sport of Mixed Martial Arts, safeguarding your mouth and preventing additional injuries are crucial. Mouth guard mma are an important piece of gear in any sport for any age, but many people formulate their own opinions about the differences between the ones created for children and the ones created for adults. XM Mouthguard has years of experience and has created specially crafted mouth guard mma for children and adult athletes. This blog will analyze the most important differences in construction, design, materials and performance between youth and adult mouth guard mma so that all athletes, coaches, and parents can have the best information possible and make smart decisions for the best possible protection. 

Jaw Structure and Differences in Size and Fit

Mouth guards MMA for youth and adults differ primarily in fit and sizing because of the different jaw structures for the age group of the athletes Adult athletes have jaw bones that are fully developed while youth fight athletes still have smaller and narrower developing jaws. XM Mouthguard’s youth mouth guard MMA has a petite construction with a smaller length and width designed to fit smaller dental arches and avoid obstruction of developing jaws and structures. The mouth guard MMA for adults has a more ample construction with deeper coverage and is designed to accommodate broad lower jaws and fully erupted permanent dentition. The adults version also has adjustable bite pads and so does the youth mouth guard MMA but with softer padding designed for more tender young gums. All of these mouth guards are designed to provide a comfort fit that will stay put while in the intensive movements of MMA.

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Balanced with Comfort Needs

Though all XM Mouthguard formulations serve the purpose of balancing comfort with durability, a slightly different approach is used for the Youth Mouthguard versus the Adult Mouthguard for MMA. We use food-grade soft EVA for the Youth Mouthguard with a Shore Hardness of 55-60A. This EVA is still impact absorbing-flexible enough to be gentle on the developing teeth and gums. All athletes, kids in particular, need materials that minimize the risk of discomfort, irritation, and burn. This improves the athletes ability to wear the Mouthguard. For the Adult Mouthguard, we use a more durable, dual-layer EVA composite with a Shore Hardness of 65-70A. This means there is more impact protection to withstand the high caliber collisions in Adult MMA. This too is food-grade, flexible, durable, and impact absorbing. All EVA formulations are safe, meeting CE and FDA, as well as BPA free and non-toxic for peace of mind!

Coverage of Impact: Age Specific Protection

XM Mouthguard prioritizes injuries specific to age groups when it comes to mouth guard mma impact protection coverage. This is why our youth mouth guard mma cover front teeth and developing molars. It features a slightly raised front that protects teeth from impact damage. In addition to this, extra padding along the gum line helps protect the soft tissues. For adult mouth guard mma, there is fully mouth coverage for all teeth, including back molars. There are reinforced sides on cheeks and tongue to prevent injury from bites during grappling or striking. For these incisions that occur during fights, our adult version contains a thicker bite plate to absorb impact force brought on by adult athletes. This also reduces the risk of jaw fractures or concussions, increasing the protection on the adult athlete.

Breathing and Speech Function Optimization

XM Mouthguard optimizes the respiratory and speech functions in the youth and adult mouth guard mma differently to address the unique physiology of each age range. Youth athletes have a smaller airway, so the youth mouth guard mma is designed with a wider breathing channel and thinner materials in the palate for more unobstructed airflow during training or matches. This design equips young athletes with the ability to keep speaking and maintain endurance. The adult mouth guard mma has a more tapered breathing channel to balance protection and airflow to meet the greater oxygen requirements of adult MMA athletes. It also has a shaped palate to further reduce the interference of speech, all while maintaining the protection to communicate clearly.

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Customization Options for Individual Needs

XM Mouthguard allows customization for both adults and children, although design personalization diverges somewhat for each age group. The children’s mouthguard comes in fun designs, bright colors, and whimsical patterns to keep kids sporting mouthguards. However, there are also three different size options (small, medium, and large) to fit different age jaw ranges from pre-teen to teenager. The adults also get customization, but are available more in professional designs. They also get more options, including personalized mouthguards through boil and bite methods and dental impressions, leading to mouthguards that contour to the user’s unique dental structure, resulting in hassle-free mouthguards that are comfortable to wear. In adult competitive sports, single color mouthguards are common, although designs with color schemes for entire teams to wear are popular. For both kids and adults, it is easy to personalize mouthguards with names or custom team logos.

How Different the Kids and Adults Mouthguards Need to Be For Different Durabilities and Maintenance

Youth children and adult mouth guard mma vary in decay and maintenance due to general use trends.  Youth children as athletes will train with their mouth guard mma more often and might not pay as much attention to upkeep so their mouthguard is designed with a stain resistant surface and materials that can handle more regular washing. Youth mouthguard materials are more flexible to reduce tearing from rough use. Adult mouth guard mma is meant to withstand more long-term use and has a scratch resistant and reinforced coating meant to handle repeated commercial uses and wears from hardcore training grinding sessions. It needs cleaning upkeep more often, but is meant more to maintain the shape and sustained protection for lasting more prolonged periods. Both of the mouth guards have providing storage cases for upkeep, but the youth children mouth guard storage is smaller and easier to carry to more at school or more training sessions than the adult mouth guard.

To sum up, adult and youth mouth guards for MMA differ in size, fit, materials, protection, coverage, optimization of breathing and speech, customization, and durability. XM Mouthguard has developed specialized designs that meet the specific physiological demands, injury risks, and usage patterns of different age MMA athletes. Whether for a young beginner MMA fighter, or an adult MMA athlete in need of pro level protection, XM Mouthguard mouth guards for MMA provide custom-fit solutions that balance safety, comfort, and performance. Knowing these vital differences, trainers, athletes and parents will be able to choose the best mouth guards for MMA, to guarantee the best protection for all training and competition activities.

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