Cavity prep Flashcards

1
Q

what tissue should never be retained

A

In no clinical situation should caries-infected dentine be retained at the EDJ as this dentine is essentially necrotic and cannot be adhered to

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2
Q

when excavating dentine caries overlying the pulp, what considerations must be given to the proximity of the pulp and any pulpal symptoms

A

consideration must be given to the proximity of the pulp and any pulpal symptoms

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3
Q

what should be done when a peripheral seal can be achieved and pulpal symptoms are not present

A

small quantities of caries affected dentine may be retained overlying the pulp to reduce risk of pulp exposure

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4
Q

what should be done if the dentine lesion has only penetrated into the middle third of dentine radiographically

A

then there will most likely be tertiary dentine and we can remove the carious dentine and reach sound dentine to achieve a better seal

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5
Q

what should be done when chronic pulpal symptoms persist along with radiographic changes at the apex

A

caries excavation needs to be complete, exposing the pulp chamber and its necrotic contents if necessary

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