TAP
Thornton Adjustable Positioner
Mechanism: Screw-based
- Design Approach
- Two-piece (duo-bloc) device. The upper and lower trays are connected by a precision screw mechanism that advances the lower jaw incrementally.
- Adjustment Method
- A small hex key (allen wrench) turns an internal screw, advancing the jaw in fractions of a millimeter. The patient or provider can make adjustments.
- Materials Commonly Used
- Hard acrylic resin.
- Potential Advantages
- Very fine incremental adjustment with a wide range of protrusion; extensive clinical research history; well-established in the field.
- Potential Considerations
- The adjustment screw hardware sits in the mouth, which some patients may notice; may be slightly bulkier than some newer, thinner designs.
- Typical Patient Scenarios
- Patients who may need significant or precise advancement range; providers experienced with screw-based titration systems.
- Cleaning & Maintenance
- Brush daily with a soft toothbrush and mild soap. Avoid hot water, which can warp acrylic. Periodic deep cleaning as recommended by the provider.