Composite

  • May 2020
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Propriétés comparées IOV, composites, compomères

1.

INTRODUCTION ‣ indications, cahier des charges mat; restauration coronaire.

2.

COMPOSITION, STRUCTURE, PRISE COMPAREE

3.



Composition composites, CVI, Compomères ‣ présentation (+ différ. viscosités) ‣ matrice ‣ charges ‣ liant charges/matrice ‣ présence d’H2O



Classification, structure ‣ tradit, hybrides, CVI, CVIMAR, compomères,...+ dessin



Prise ‣ type de prise ‣ cinétique ‣ retrait (+ loin)

PROPRIETES ‣

Paramètrant l’étanchéité ‣





4.

Adhésion /adhérence ‣ adhésion intrinsèque ‣ mécanisme ‣ traitement de surface ‣ adhérence Variations dimensionnelles: tous retrait ‣ valeur de retrait ‣ ɕ ‣ α ‣ solubilité ‣ absorption d’H20 Conséquences sur la mise en oeuvre



Mécaniques ‣ Rigidité ‣ R usure ‣ R compression



Biologiques ‣ pulpe ‣ t. environnants ‣ parodonte



Optiques ‣ mise en oeuvre, état de surface

CONCLUSIONS, IMPLICATIONS CLINIQUES ‣ ‣

indications techniques combinées

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