ISO 27020:2010
Dentistry — Brackets and tubes for use in orthodontics
ISO 27020:2010 is applicable to brackets and tubes for use in fixed orthodontic appliances.
ISO 27020:2010 gives details of methods to compare the functional dimensions of orthodontic brackets and tubes, the test methods by which they can be determined, as well as packaging and labelling information.
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1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Hazardous elements
4.2 Measurement of dimensions
5 Test methods
5.1 Sampling
5.2 Dimensions
5.2.1 Apparatus
5.2.2 Measurement procedures
5.2.2.1 Angle of torque (see Figure 1)
5.2.2.2 Angulation (see Figure 2)
5.2.2.3 In-out (see Figure 3)
5.2.2.3.1 Bracket in-out [see Figure 3 a)]
5.2.2.3.2 Tube in-out [see Figure 3 b)]
5.2.2.4 Rotational offset (see Figure 4)
5.2.2.5 Slot depth (see Figure 5)
5.2.2.6 Slot height (see Figure 5)
5.2.3 Treatment of results
6 Packaging and labelling information to be provided to the user
6.1 General requirements
6.2 Packaging
6.3 Labelling
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1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Hazardous elements
4.2 Measurement of dimensions
5 Test methods
5.1 Sampling
5.2 Dimensions
5.2.1 Apparatus
5.2.2 Measurement procedures
5.2.2.1 Angle of torque (see Figure 1)
5.2.2.2 Angulation (see Figure 2)
5.2.2.3 In-out (see Figure 3)
5.2.2.3.1 Bracket in-out [see Figure 3 a)]
5.2.2.3.2 Tube in-out [see Figure 3 b)]
5.2.2.4 Rotational offset (see Figure 4)
5.2.2.5 Slot depth (see Figure 5)
5.2.2.6 Slot height (see Figure 5)
5.2.3 Treatment of results
6 Packaging and labelling information to be provided to the user
6.1 General requirements
6.2 Packaging
6.3 Labelling