Liquid Silicone Rubber for Sports Mouthguards
Introduction
Sports mouthguards are essential protective gear for athletes in contact sports such as boxing, football, and hockey. Traditional mouthguards made from thermoplastic materials often lack comfort and durability. Liquid Silicone Rubber (LSR), particularly platinum-cured LSR, has emerged as a superior alternative due to its flexibility, shock absorption, and biocompatibility.
Why Liquid Silicone Rubber (LSR) is Ideal for Sports Mouthguards
1. Superior Shock Absorption
LSR's viscoelastic properties help dissipate impact energy, reducing the risk of dental injuries and concussions.
Provides better protection compared to rigid thermoplastics.
2. Comfort & Fit
Soft, flexible texture adapts to the wearer's teeth without causing irritation.
Can be custom-molded for a precise fit, enhancing performance and breathability.
3. Durability & Tear Resistance
Resists deformation even after repeated use.
Withstands biting forces without cracking or losing shape.
4. Hygienic & Non-Toxic
Platinum-cured LSR is FDA-approved and free from harmful byproducts.
Resistant to bacterial growth, making it easy to clean and maintain.
5. Temperature & Chemical Resistance
Performs well in extreme temperatures (unlike thermoplastics, which may soften).
Resistant to sweat, saliva, and sports drinks.
Comparison: LSR vs. Traditional Mouthguard Materials
| Property | LSR Mouthguards | Thermoplastic Mouthguards |
|---|---|---|
| Shock Absorption | Excellent | Moderate |
| Comfort | High flexibility, soft | Stiff, may cause discomfort |
| Durability | Long-lasting, tear-resistant | Prone to cracking |
| Hygiene | Non-porous, antimicrobial | Can harbor bacteria |
| Custom Fit | Precise molding possible | Requires boiling & biting |
Manufacturing Process
Injection Molding – LSR is injected into custom dental molds for a perfect fit.
Platinum-Cure Process – Ensures a fast, clean cure without harmful residues.
Post-Processing – Trimming and polishing for smooth edges.
Applications in Sports
Combat Sports (MMA, boxing) – High-impact protection.
Team Sports (rugby, hockey) – Durable and comfortable for prolonged use.
Extreme Sports (motocross, skateboarding) – Reliable shock absorption.