Hockey Mouthguard Rules: USA Hockey and NFHS

Ice hockey is hard on teeth: sticks, pucks, boards and collisions. Whether a mouthguard is required depends on your age classification and which rulebook your league uses. This article focuses on USA Hockey and NFHS high school ice hockey equipment rules, with notes on where college and other leagues differ. For fit, model picks and team ordering, use our hockey and lacrosse mouthguard guide. Field hockey is a different sport with its own rules; see the field hockey mouthguard guide and field hockey mouthguard rules.

Always confirm with your association's current playing rules. Age brackets and equipment requirements are updated by season.

Is a mouthguard required in ice hockey?

Often yes, but not for every age group under USA Hockey.

The American Dental Association states that the NFHS and the NCAA mandate mouthguards in ice hockey (as well as football, field hockey and lacrosse). The NFHS mouthguard position statement (October 2022) likewise lists ice hockey among the sports where the NFHS mandates mouthguard use.

USA Hockey's own playing rules are more specific by age. Under Rule 304 (Protective Equipment) in the current USA Hockey Playing Rules, not every classification is treated the same way.

USA Hockey Rule 304(f): who must wear one

According to USA Hockey Rule 304 (and the matching text in the 2025–29 USA Hockey Playing Rules PDF):

• Required: all players, including goalkeepers, in the 12 & under (Youth and Girls') through Youth 18 & under (including High School) and Girls' 19 & under age classifications must wear a colored (non-clear) internal mouthpiece that covers all the remaining teeth of one jaw, customarily the upper.
• Strongly recommended for everyone: USA Hockey strongly recommends that all players wear a mouthpiece form fitted by a dentist, in all classifications.
• Adults: a mouthpiece is not listed in 304(f) as required for Adult classifications. The rule's opening note still strongly recommends that skaters and goalkeepers in all age classifications properly wear an internal mouthpiece (along with a HECC-certified helmet and full facemask) for games and practices.

In short: from 12U up through youth/high school (and Girls' 19U), USA Hockey requires a colored, non-clear mouthpiece. Younger than that, and Adult play, treat the mouthpiece as strongly recommended unless your local league adds a harder requirement.

Color: USA Hockey wants non-clear

Unlike current NFHS football (which allows clear or white), USA Hockey's required mouthpiece for the ages above must be colored and non-clear. A completely clear guard that is fine for some sports may not meet Rule 304(f). If you play USA Hockey 12U and up, order a white or black NanoBite (or another readily visible color your league accepts) rather than clear, unless your association has published a different interpretation.

An NFHS / USA Hockey / NCAA ice hockey rules comparison sheet used by NFHS also lists a non-clear-color mouthguard as required under both USA Hockey (high school and below) and NFHS, while marking NCAA as "No rule" on that specific color line. Source: NCAA–NFHS–USAH Rules Comparison (2024–25).

NFHS high school ice hockey

High school ice hockey programs that follow NFHS rules treat a tooth and mouth protector as required player equipment. The same NFHS mouthguard position statement that covers football lists ice hockey as a mandated mouthguard sport, and the 2024–25 comparison chart above lists a non-clear mouthguard as required under NFHS. Your state association's current ice hockey rules book is the final word for games in that state.

Penalties and enforcement details (warnings, misconducts, when a player must leave the ice) sit in the full rulebook. Follow the game officials and your athletic director's equipment checklist.

College, juniors, NHL and other leagues

College (NCAA) ice hockey equipment rules are not identical to USA Hockey or NFHS. The comparison chart linked above marks NCAA differently on several equipment lines, including the non-clear mouthguard color row. Do not assume a USA Hockey-legal guard is automatically NCAA-legal, or the reverse.

Professional and other senior leagues set their own policies. Requirements vary by league and can change by season, so this article does not invent an NHL rule. If you play outside USA Hockey / NFHS / youth, ask your team trainer or league office and use our hockey guide for fit and model help.

Hockey with braces

Athletes with braces can get AlienGuards. Skip the at-home kit so braces are not damaged. Your dentist takes an impression or 3D scan, then ships it to us or emails it to impressions@alienguards.com. More in mouthguards with braces.

USA Hockey's strong recommendation for a dentist-fitted mouthpiece lines up with that approach: a guard formed to your current bite (including braces) is more likely to stay in after a bump along the boards.

Which AlienGuard for ice hockey?

Our pick is NanoBite, our 4 mm ultra-slim team-sports guard and the best of our models for breathing and talking on long shifts. It is made for hockey and other contact team sports. For USA Hockey ages that ban clear mouthpieces, choose white or black rather than clear.

Origin and Origin Pro are 5 mm combat guards for boxing, MMA, Muay Thai, kickboxing, karate and taekwondo. They are not our recommendation for hockey.

If a guard makes you gag or will not stay seated under a cage, fix the fit before game day: see mouthguard gag reflex and why does my mouthguard fall out?

Teams and turnaround

Custom AlienGuards are crafted within 10–14 business days after we receive a good impression. Teams of 5 or more get 20% off on team orders (NanoBite and PowerBite included), with logo plus names or numbers. Metallic, satin and holographic text colors are free. Accessory-only orders ship in a couple of business days.

Related reading: mouthguard rules by sport (all sports), football mouthguard rules, lacrosse mouthguard rules, wrestling mouthguard rules, and custom mouthguards for hockey players.

Hockey mouthguard rules FAQ

Is a mouthguard required in USA Hockey?

Yes for players and goalkeepers in the 12 & under through Youth 18 & under (including High School) and Girls' 19 & under classifications: a colored, non-clear internal mouthpiece covering the remaining teeth of one jaw (usually the upper). USA Hockey strongly recommends a dentist-fitted mouthpiece in all classifications. Adult play does not list the same 304(f) requirement.

Can I wear a clear mouthguard in hockey?

Not for the USA Hockey ages where Rule 304(f) applies: the mouthpiece must be colored and non-clear. NFHS high school ice hockey also treats a non-clear mouthguard as required on the published comparison chart. Always check your current rulebook.

Are mouthguards required in high school ice hockey?

Yes under NFHS rules and per the ADA's summary of NFHS/NCAA mandates for ice hockey. Confirm your state association's current ice hockey equipment rules.

Can hockey players with braces get AlienGuards?

Yes. Your dentist takes the impression or 3D scan instead of our at-home kit, then ships it or emails impressions@alienguards.com.

Which AlienGuard is best for ice hockey?

NanoBite (4 mm). Pick a non-clear color when USA Hockey or NFHS non-clear rules apply. Origin and Origin Pro are for combat sports, not hockey.