HS Code for Dental impression material

Dental impression materials are classified under HS code 3407.00. This heading covers \"Modelling pastes, including those put up for children's amusement; preparations known as 'dental wax' or as 'dental impression compounds', put up in sets, in packings for retail sale or in plates, horseshoe shapes, sticks or similar forms; other preparations for use in dentistry, with a basis of plaster (of calcined gypsum or calcium sulphate).\" The classification is based on the material's composition and its use in creating molds or models of the teeth and gums. Unlike dental fillings (3006.40), which are permanent or semi-permanent restorative materials, impression materials are used temporarily to create a negative likeness of the oral cavity. This distinction is critical for customs purposes. The heading includes a wide variety of chemical bases, such as alginates, silicones, and polyethers, provided they are prepared and packaged for dental impression use. The classification follows the specific mention of dental preparations in the heading text of 3407.

Products Included

• Alginate impression powder
• Vinyl Polysiloxane (VPS) impression materials
• Polyether impression materials
• Dental wax (in plates, sticks, or shapes)
• Bite registration pastes
• Zinc oxide eugenol impression pastes
• Plaster-based dental modeling compounds

Common Misclassification

A common misclassification is HS code 3006.40, which is reserved for dental fillings and cements. Impression materials are not fillings; they are modeling compounds. Another error is classifying silicone-based impression materials under 3910.00 (silicones in primary forms). However, because these silicones are specially prepared and packaged for dental use as impression compounds, heading 3407.00 is more specific and takes precedence according to GRI 3(a).

FAQ

What is the HS code for dental impression material?

The HS code for dental impression material is 3407.00, which includes dental wax and impression compounds.

Is dental alginate classified under this code?

Yes, dental alginate used for taking impressions is classified under HS code 3407.00 as a preparation for use in dentistry.