NF EN ISO 20795-2
Dentistry - Base polymers - Part 2 : orthodontic base polymers
ISO 20795-2:2013 is applicable to orthodontic base polymers and copolymers used in the construction of both active and passive orthodontic appliances and specifies their requirements. It also specifies test methods to be used in determining compliance with these requirements. It further specifies requirements with respect to packaging and marking the products and to the instructions to be supplied for use of these materials.
ISO 20795-2:2013 is applicable to orthodontic base polymers and copolymers used in the construction of both active and passive orthodontic appliances and specifies their requirements. It also specifies test methods to be used in determining compliance with these requirements. It further specifies requirements with respect to packaging and marking the products and to the instructions to be supplied for use of these materials.
ISO 20795-2:2010 is applicable to orthodontic base polymers and copolymers used in the construction of both active and passive orthodontic appliances and specifies their requirements. It also specifies test methods to be used in determining compliance with these requirements. ISO 20795-2:2010 further specifies requirements with respect to packaging and marking the products and to the instructions to be supplied for use of these materials.
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions1
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4 Classification2
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5 Exigences2
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5.1 Produits non polymérisés2
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5.2 Produits polymérisés3
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6 Échantillonnage5
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7 Préparation des plaques-échantillons et des éprouvettes5
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7.1 Environnement du laboratoire5
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7.2 Modes opératoires5
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7.3 Équipement spécial6
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8 Méthodes d'essai6
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8.1 Contrôle de détermination de la conformité6
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8.2 Couleur6
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8.3 Aptitude au polissage, absence de porosités, résistance à la flexion et module d'élasticité7
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8.4 Ténacité avec essai de cintrage modifié11
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8.5 Teneur résiduelle en monomères à base de méthacrylate de méthyle15
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8.6 Plastifiant(s), le cas échéant21
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8.7 Absorption et solubilité dans l'eau25
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9 Exigences relatives à l'étiquetage, au marquage, à l'emballage et instructions fournies par le fabricant27
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9.1 Emballage27
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9.2 Marquage des emballages et contenants externes28
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9.3 Instructions fournies par le fabricant29
- Annexe A (normative) Méthode de CLHP pour la détermination de la teneur en MMA30
- Bibliographie33
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