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Nontaxable Purchases

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The following purchases are not taxable when purchased by a dentist.

Medical Supplies

Purchases of medical supplies are exempt from tax when:

  • Purchased by a licensed dentist or health care professional
  • Used directly on a patient as part of treatment

To claim this exemption, you must give your vendor a completed Form ST3, Certificate of Exemption. Specify the Medical supplies for a health-care facility exemption.

For a list of dental items that qualify for this exemption, see Exempt Dental Items.

The medical supplies exemption does not include:

  • Durable medical equipment, including repair and replacement parts
  • Disposable or single use medical equipment and surgical instruments

Materials Used in Treatment

Materials and items that remain in the patient’s mouth are not taxable. Examples include:

  • Composite restoratives
  • Silver amalgam
  • Sealants

Other Nontaxable Purchases

Examples of other nontaxable purchases include:

  • Accounting and legal services
  • Clothing for general wear, including scrubs, lab coats, and gloves (latex, nitrile, cloth)
  • Magazine subscriptions and newspapers (single issue magazine purchases are taxable)