Special expansion screw for palatal expansion.

The minimal dimensions of the hyrax^® expansion screw are ideal for small palates. Many innovative construction details make their use even easier, safer and more effective.

For mid-palatal suture separations by means of fixed appliances.
• built-in stops prevent the screws from coming apart once maximum expansion has been obtained
• small dimensions with maximum expansion
• solder free
• break resistant retention legs, stable guidance throughout complete expansion
• the integrated spindle friction prevents unwanted turning back
• permanently laser marked arrow on the body of the screw indicates the opening direction and max. expansion
• screw can be tied down once desired expansion has been reached with safety key

• ✓Giomer-based bulk-fill — no separate base layer needed
• ✓Fluoride-releasing and recharging for caries protection
• ✓Radiopaque — easily detectable on X-rays
• ✓Ideal for Class I and II cavities
• ✓4mm cure depth — saves chair time significantly
• ✓Low polymerization shrinkage — reduces sensitivity