A mouthguard is one of the most important — and most underestimated — pieces of boxing protective equipment. It protects not just your teeth but also your jaw and brain, helping reduce the transmission of impact forces and preventing the teeth from slamming together on a body shot or uppercut. This guide covers everything Australian boxers need to know about choosing and using a mouthguard.
Why Mouthguards Matter in Boxing
Mouthguards protect in three ways:
- Dental protection: Absorbing the impact energy that would otherwise chip, crack, or knock out teeth.
- Jaw protection: Helping prevent jaw fracture and dislocation by distributing force.
- Brain protection: Cushioning the TMJ (temporomandibular joint) where the jaw meets the skull, helping reduce the brain-rattling force of punches that land on the chin.
Mouthguards are mandatory for all contact sparring in Australian boxing gyms.
Types of Mouthguards
Boil-and-bite (thermoplastic)
The most common and practical option for most boxers. Heat the mouthguard in boiling water, allow to cool slightly, then bite down firmly to mold to your tooth shape. A well-fitted boil-and-bite mouthguard provides excellent protection at $15–$60 cost. Quality branded boxing mouthguards (Shock Doctor, SISU, RDX, etc.) outperform cheap chemist boil-and-bite versions significantly.
Custom-fitted (dental)
Made from an impression of your teeth taken by a dentist. The most precise fit, maximum comfort (less gagging, can speak and breathe more easily), and typically the best protection. Cost: $150–$500 from a dentist. Worth the investment for regular sparrers and competitors.
Stock (ready-made)
Pre-formed, no fitting. Cheap but poor — uncomfortable, often doesn't fit well, restricts breathing. Not recommended for boxing beyond the most casual occasional use.
Fitting a Boil-and-Bite Mouthguard Correctly
1. Boil water, remove from heat, wait 30 seconds. Immerse the mouthguard for 30–60 seconds (follow the specific product instructions — varies). Remove with tongs, allow to cool for 5–10 seconds until handleable but still moldable. Place in mouth with tongue pressed up against the back of the upper guard. Bite down firmly for 30–60 seconds while sucking and pressing the guard against your teeth with your fingers through your cheeks. Remove and cool in cold water. Test fit — it should hold to your upper teeth when you open your mouth without biting.
Mouthguard Care
Rinse before and after use. Store in a ventilated case (not a sealed container that traps moisture). Clean regularly with a toothbrush. Replace when worn, damaged, or after 6–12 months of regular use.