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About Mouthpiece Guy

Mouthpiece Guy Boxing Experience

Jeff Darr, the founder of Mouthpiece Guy LLC, has been using mouthpieces in combat sports long before he actually started making them. As an amateur boxer, fighting from the ages of 14 to 31, he knows what it's like to get up in the ring and take punches. That's where our slogan, "For Fighters, By Fighters" comes from!

Jeff completed the dental technology program at Riverside Community College in 1996. As a full time dental laboratory technician (now with over 40,000 hours of real world experience) Jeff made his first custom mouthpiece for himself in 1999 while working for a dental lab in Riverside, CA. In 2003, he opened his own dental lab making porcelain crowns and bridges for dentist all over Southern California, and made mouthpieces just as a hobby for friends and family at the boxing gym. This "hobby" soon grew to something much larger than Jeff ever expected. After 10 years of making custom fit mouthpieces as a side job, Jeff sold his dental lab business to pursue a career of making  mouthpieces full time as "the Mouthpiece Guy" in July of 2014.

With his years of experience as a boxer and the technique and training of a master dental technician, Jeff built Mouthpiece Guy LLC from the ground up. In the early stages, while developing his own style for the best fit and maximum protection, Jeff would make a mouthpiece for himself at work during the day, and would go to the gym at night to test it out in sparring. He continued to conduct what we now call  In The Ring Tests until he developed a true mastery of custom fit mouthpieces.

Jeff runs Mouthpiece Guy full time with a team based in Covina, CA. Follow us on Instagram to see what Jeff is working on and to stay updated!

Mouthpiece Guy boxing experience

Jeff Darr, the founder of Mouthpiece Guy LLC, has been using mouthpieces in combat sports long before he actually started making them. As an amateur boxer, fighting from the ages of 14 to 31, he knows what it's like to get up in the ring and take punches. That's where our slogan, "For Fighters, By Fighters" comes from!

Jeff completed the dental technology program at Riverside Community College in 1996. As a full time dental laboratory technician (now with over 40,000 hours of real world experience) Jeff made his first custom mouthpiece for himself in 1999 while working for a dental lab in Riverside, CA. In 2003, he opened his own dental lab making porcelain crowns and bridges for dentist all over Southern California, and made mouthpieces just as a hobby for friends and family at the boxing gym. This "hobby" soon grew to something much larger than Jeff ever expected. After 10 years of making custom fit mouthpieces as a side job, Jeff sold his dental lab business to pursue a career of making  mouthpieces full time as "the Mouthpiece Guy" in July of 2014.

With his years of experience as a boxer and the technique and training of a master dental technician, Jeff built Mouthpiece Guy LLC from the ground up. In the early stages, while developing his own style for the best fit and maximum protection, Jeff would make a mouthpiece for himself at work during the day, and would go to the gym at night to test it out in sparring. He continued to conduct what we now call  In The Ring Tests until he developed a true mastery of custom fit mouthpieces.

Jeff runs Mouthpiece Guy full time with a team based in Covina, CA. Follow us on Instagram to see what Jeff is working on and to stay updated!

Mouthpiece Guy custom mouthpiece
Mouthpiece Guy custom mouthpiece fitting
Mouthpiece Guy famous customers
Mouthpiece Guy custom mouthpiece
Mouthpiece Guy custom mouthpiece fitting
Mouthpiece Guy famous customers

Our  In The Ring Tests have put our company at the top of the list when it comes to fit, comfort, and protection. We believe that knowing what the mouthpiece is going to feel like when you get hit is essential. We still conduct  In The Ring Tests at least once a year to constantly fine tune our work.

While you shop around for custom mouthpieces, ask yourself, "Do they actually use and test their own products?". And it might be good to ask what kind of experience they have as trained dental technicians. Your teeth are precious, and your brain is extremely important! Don't trust your health and safety to someone who has little or no dental laboratory experience. You'll end up regretting it later when you have to pay an expensive dentist bill!

Questions? Read our   FAQs or   Contact Us , then head over to the Shop and get yourself a custom mouthpiece! Don't wait any longer, your teeth and brain cells will thank you. ;)

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CAUTION!

In the shipping options at checkout, carefully review each "FITTING OPTION" before making your selection.

Thickness Recommendations

    7mm Light - Grappling, all ages. Team sports, all ages. Amateur boxing/MMA, 8-14yrs.  
Comfort Level = A+  |  Protection Level = B

8mm Standard - Amateur and pro boxing/MMA below 200lbs, ages 15yrs & up. 
Comfort Level = A   |  Protection Level = A

9mm Heavy - Amateur and pro boxing/MMA above 200lbs, ages 15yrs & up.  
Comfort Level = B   |  Protection Level = A+


Dental grade soft EVA mouthguard material is heated and pressure formed onto the plaster model of the athlete's teeth. Since everybody's teeth are different in size, shape and placement, the final thickness may vary from athlete to athlete.