Recognized standard

Standard No. 159-2024

FDA recognition 4-359 · ANSI · Dental/ENT

Key facts

Recognition number 4-359
Designation Standard No. 159-2024
Title Dentistry - Coiled Springs for Use in Orthodontics
Standards developer American National Standards Institute
Specialty area Dental/ENT
Date of entry Dec 22, 2025
Device classes Class 1
Scope (excerpt) This standard applies to coiled springs for use in orthodontic appliances. This standard gives details of methods to compare the physical and mechanical behavior of coiled springs, the test methods by which they can be determined, as well as packaging and labelling requirements. This is a modified…

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