polymérisation Flashcards

1
Q

type de polymérisation des composites dentaires

A

radicalaire par addition

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1
Q

ordre d’efficacité polymérisation

A

thermo > photo > chémo

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2
Q

pic d’absorbation camphorquinone

A

468 nm (bleu)

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3
Q

formule taux de conversion

A

nb de monomères qui ont régis * 100/ nb de monomères inital

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4
Q

taux de conversion d’une résine composite à 48h

A

50-70 %

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5
Q

type de liaison avant polymérisions

A

faibles =vdw

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6
Q

type de liaison après polymérisions

A

covalentes

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7
Q

temps max de photopolymérisation

A

40 secondes

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8
Q

positionnement de la lampe

A

à 90°

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