PMMA Posterior Dental Crowns from Japan
Prefabricated posterior molar crowns molded from polymethyl methacrylate (PMMA) plastic for temporary dental restorations. Falls under HTS 9021.21.40.00 as plastic artificial teeth components used in orthopedic appliances to restore chewing function. Designed for interim use before permanent ceramic replacements.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide detailed product specs showing dental-specific milling and anatomical shaping to distinguish from generic plastic shapes
• Ensure supplier certificates of analysis for monomer-free polymerization to meet biocompatibility standards