Of plastics
Orthopedic appliances, including crutches, surgical belts and trusses; splints and other fracture appliances; artificial parts of the body; hearing aids and other appliances which are worn or carried, or implanted in the body, to compensate for a defect or disability; parts and accessories thereof: > Artificial teeth and dental fittings, and parts and accessories thereof: > Other: > Of plastics
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Products classified under HTS 9021.29.40.00
Acrylic Denture Base
A removable partial denture base made from heat-cured acrylic resin, designed to replace missing teeth and restore oral function. Classified under HTS 9021.29.40.00 as a dental fitting of plastics used to compensate for dental defects or disabilities. It conforms to orthopedic appliance definitions for dental prosthetics.
Clear Retainer Aligners
Transparent plastic orthodontic retainers made from biocompatible polyurethane, used post-braces to maintain teeth alignment. Falls under HTS 9021.29.40.00 as plastic dental fittings compensating for dental misalignment disabilities. Meets Chapter 90 definition for orthopedic dental appliances.
Polycarbonate Dental Splint
Rigid polycarbonate fracture splint for stabilizing dental trauma or jaw injuries, custom-fitted for patients. Classified in HTS 9021.29.40.00 as plastic orthopedic dental appliance per Chapter 90 notes for fracture appliances. Used to support healing of dental structures.
PMMA Dental Crown Forms
Prefabricated polymethyl methacrylate (PMMA) temporary dental crowns used in restorative dentistry. HTS 9021.29.40.00 covers these plastic dental fittings as orthopedic appliances compensating for tooth loss or damage. Designed for clinical chairside application.
Flexible Night Guards
Soft thermoplastic night guards (ethylene-vinyl acetate copolymer) for bruxism treatment, preventing tooth damage from grinding. Classified HTS 9021.29.40.00 as plastic orthopedic dental appliances supporting dental health. Fits Chapter 90 definition for disability compensation.
Acrylic Obturator Plates
Acrylic prosthetic plates closing cleft palate defects, restoring speech and swallowing functions. HTS 9021.29.40.00 for plastic dental fittings as orthopedic appliances per Chapter 90 notes. Custom-made for anatomical defect compensation.
Bis-Acryl Provisional Bridges
Bis-acryl resin temporary dental bridges spanning multiple missing teeth during permanent restoration. Classified under HTS 9021.29.40.00 as plastic orthopedic dental fittings. Provides functional tooth replacement pending final prosthetics.
Thermoplastic Palatal Expanders
Adjustable thermoplastic expanders widening narrow upper jaws in orthodontic treatment. HTS 9021.29.40.00 covers plastic dental orthopedic appliances correcting skeletal deformities. Active appliance component with expansion screw.
NiteWhite Custom Trays
Custom-fitted plastic trays for professional teeth whitening treatments compensating for discoloration disabilities. Classified HTS 9021.29.40.00 as plastic dental fittings per orthopedic appliance definitions. Precisely contoured reservoirs hold bleaching agents.
Fluoride Carrier Trays
Soft plastic trays delivering high-concentration fluoride treatments for dental caries prevention in high-risk patients. HTS 9021.29.40.00 for plastic dental fittings compensating for enamel defects. Custom reservoirs ensure medication retention.
Silicone-Lined Bite Guards
Dual-layer bite guards with soft silicone lining over rigid plastic base for TMJ disorder treatment. Predominantly plastic construction qualifies for HTS 9021.29.40.00 as orthopedic dental appliances. Relieves jaw joint stress and muscle tension.
Pediatric Space Maintainers
Plastic band-and-loop space maintainers preserving arch space after premature primary tooth loss. HTS 9021.29.40.00 covers plastic pediatric orthopedic dental appliances. Prevents adjacent teeth migration and malocclusion.
Essix Retainer Blanks
Pre-cut Essix thermoplastic sheets specifically formulated for clear retainer fabrication. HTS 9021.29.40.00 despite blank form due to exclusive dental orthopedic appliance use. Vacuum-formed into custom patient appliances.
Composite Bonding Trays
Precision plastic trays contouring composite resin during direct veneer/bonding procedures. HTS 9021.29.40.00 as plastic dental fittings enabling orthopedic aesthetic restoration. Matrix system ensures anatomical tooth form.
Surgical Stent Guides
3D-printed PEEK plastic surgical guides positioning dental implants precisely during placement surgery. Classified HTS 9021.29.40.00 as plastic dental orthopedic appliances per Chapter 90 notes. Patient-specific anatomy from CBCT data.