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Standard Hyrax Rapid Palatal ExpanderBestoDental Standard Hyrax Rapid Palatal Expander begins applying steady pressure from the first turn. Built around a trusted design, it uses a screw mechanism to widen the upper jaw gradually.
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CAD/CAM Hyrax Rapid Palatal ExpanderOur CAD CAM Hyrax Rapid Palatal Expander relies on digital precision to match how jaws actually shape up from the start. Not just standard molds, they follow unique curves found in every mouth.
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Mini-Screw Hyrax ExpanderOur Mini-Screw Hyrax Expander taps into TADs for better hold inside bone structure from the start. Instead of relying only on teeth, they anchor through screws that boost control during widening. This method steps up precision when treating tougher alignment challenges.
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Bonded HyraxOur Bonded Hyrax starts wide, then holds firm. Built into the mouth, it pushes the upper jaw gently outward over time. Instead of shifting loosely, teeth stay guided thanks to full bite contact across the back row.
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Butterfly HyraxOur Butterfly Hyrax starts strong with a plastic piece resting against the roof of the mouth to keep things steady when widening the upper jaw. This setup cuts down on unwanted twisting while guiding broader dental shifts across the arch.
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Hyrax Rapid Palatal Expander
Hyrax Rapid Palatal Expander
Bestodental’s Hyrax rapid palatal expander is fabricated entirely from biomedical-grade stainless steel, featuring a smooth, hygienic surface that is easy to clean and comfortable for long-term intraoral use.
- Simple to maintain with smooth surfaces for improved hygiene.
- Effectively corrects posterior bite issues and maxillary constriction.
- Reduces or eliminates dental crowding in growing patients.
- Biocompatible design ensures no irritation to palatal soft tissues.
Clinical & Technical Information
Hyrax Rapid Palatal Expander (RPE) is a fixed orthodontic expansion appliance designed to correct transverse maxillary deficiency through orthopedic and dentoalveolar expansion. Utilizing a central expansion screw and rigid anchorage system, it delivers controlled forces to separate the midpalatal suture and increase arch width. BestoDental Hyrax Expanders are widely used in pediatric and adolescent orthodontics, posterior crossbite correction, maxillary constriction treatment, and arch development protocols requiring predictable transverse expansion.
1. Indications
Our Hyrax Rapid Palatal Expander systems are Suitable For:
- Patients with transverse maxillary deficiency and narrow upper arches
- Posterior crossbite correction (unilateral or bilateral)
- Moderate to severe maxillary constriction cases
- Growing patients requiring orthopedic maxillary expansion
- Arch development prior to comprehensive orthodontic treatment
- Cases requiring increased arch perimeter to alleviate crowding
- Patients requiring skeletal anchorage-assisted expansion protocols
- Digital orthodontic workflows requiring CAD/CAM-designed expansion appliances
- Cases requiring enhanced anchorage control and expansion stability
2. Technical Specifications
| Technical Parameter | Specification |
| Product Category | Rapid Palatal Expander (RPE) |
| Product Variants | Standard Hyrax Rapid Palatal Expander / CAD/CAM Hyrax Rapid Palatal Expander / Mini-Screw Hyrax Expander / Bonded Hyrax / Butterfly Hyrax |
| Material Type | Medical-grade stainless steel framework with orthodontic expansion screw and optional acrylic components |
| Expansion Mechanism | Central screw-activated rapid maxillary expansion system |
| Appliance Type | Fixed orthodontic maxillary expansion appliance |
| Activation Protocol | Typically 0.25 mm expansion per screw turn (clinician-directed) |
| Anchorage Design | Band-supported, bonded acrylic-supported, skeletal-supported, or acrylic-button reinforced depending on design |
| Framework Design | Conventional, CAD/CAM customized, TAD-assisted, bonded, or butterfly-supported configurations |
| Digital Workflow Compatibility | Compatible with STL files, intraoral scans, Exocad, and 3Shape workflows |
| CAD/CAM Design Option | Available for customized digital appliance fabrication and enhanced fit accuracy |
| Skeletal Anchorage Option | Mini-screw (TAD)-assisted expansion available for advanced orthopedic cases |
| Retention Method | Orthodontic bands, bonded acrylic caps, or skeletal anchorage depending on variant |
| Force Delivery | Orthopedic and dentoalveolar expansion forces for transverse arch development |
| Stability | High rigidity for controlled expansion and predictable force transmission |
| Special Features | Bonded occlusal coverage, acrylic palatal button, CAD/CAM customization, or TAD integration depending on model |
| Patient Age Group | Primarily pediatric and adolescent patients; selected adult expansion protocols possible |
| Clinical Application | Maxillary expansion, posterior crossbite correction, arch development, and orthopedic treatment protocols |
| Adjustment Capability | Screw activation performed according to prescribed expansion schedule |
| Case Turnaround Time | 5–8 working days depending on appliance design and customization requirements |
3. Aesthetics
Here are the aesthetics for our Hyrax Rapid Palatal Expander systems:
1) Low-Visibility Palatal Design
The appliance is positioned primarily on the palatal side of the dentition, minimizing visibility during normal speech and smiling.
2) Streamlined Orthodontic Architecture
Compact framework construction provides efficient expansion mechanics while maintaining a clean intraoral appearance.
3) Digitally Customized Appliance Option
CAD/CAM variants offer improved adaptation and symmetry, creating a more refined and anatomically precise appliance design.
4) Stable Functional Appearance Throughout Treatment
Rigid expansion structures maintain appliance positioning and support predictable treatment progression during active expansion.
Order FAQs
1. What information is required to submit a Hyrax Rapid Palatal Expander case?
Please provide patient name, upper arch STL scan or impression, bite registration if available, orthodontic prescription, screw activation protocol, and any specific design instructions from the clinician.
2. Do you accept digital impressions and which systems are compatible?
Yes. We accept STL files from major intraoral scanners and CAD/CAM systems, including 3Shape, Medit, iTero, and other open digital formats.
3. What is the typical turnaround time for Hyrax RPE cases?
Standard turnaround time is approximately 3–5 working days after design confirmation. Complex CAD/CAM or reinforced cases may require additional production time.
4. What clinical cases are suitable for Hyrax Rapid Palatal Expanders?
They are suitable for patients with maxillary constriction, posterior crossbite, and skeletal or dental transverse deficiencies requiring rapid expansion.
5. How is expansion controlled in a Hyrax appliance?
Expansion is controlled via a central jackscrew mechanism activated according to the clinician’s prescribed protocol.
6. Can Hyrax expanders be fabricated using digital workflows?
Yes. CAD/CAM Hyrax expanders are available for improved accuracy, fit, and reproducibility.
7. What materials are used in Hyrax expanders?
Common materials include stainless steel wire frameworks, expansion screws, and acrylic resin depending on design requirements.
8. How do you ensure appliance fit accuracy?
Fit accuracy is achieved through precise digital modeling or model-based fabrication using provided scan data and clinical instructions.
9. Can Hyrax expanders be reinforced for heavy-force cases?
Yes. Reinforced wire designs can be used to increase structural stability under higher orthopedic forces.
10. What records are recommended for best results?
We recommend providing accurate upper arch scans or impressions, occlusal records if available, and detailed orthodontic activation instructions.
