Orthodontic Retainer Appliance from Canada
Clear thermoplastic orthodontic retainers maintain teeth positions post-treatment using vacuum-formed sheets over dental models. Classified under HTS 9021.29.80.00 as dental fittings preventing orthodontic relapse (bodily deformity correction per Chapter Note). Custom appliances for each patient's arch form.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document digital scans or stone models used for thermoforming to prove custom manufacture
• Specify orthodontic-grade materials meeting ISO 20795-2 for dental polymer biocompatibility
• Include retention protocols showing intended orthopedic deformity prevention function