what is a cavity preparation

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  • 8/17/2019 What is a Cavity Preparation

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    What is a cavity preparation ?

    Who formulated the steps in cavity preparation?

    Are the century old concepts still valid today?

    What are the steps in cavity preparation?

    Should these steps be performed in the same sequence in all cavities?

    What is ment by outline form?

    List the factors influencing the outline form?

    How does the extent of caries affect the outline form?

    How does undermind enamel affect the outline form?

    How does an old restoration affect the outline form?

    What is extention for prevention?

    Is extention for prevention done for any patient?

    What should the ideal depth of the cavity?

    Will the pulpal floor in all parts of the cavity be located !" mm below the dentino

    enamel #unction?

    $an the pulpal floor be located more than !" mm below the dentino enamel #unction

    in a cavity?

    How does the convenience form affect the outline form?

    What are stress bearing areas?

    How does the direction of enamel rods affect the cavity outline?

    What is resistance form?

    What factors affect resistance form?

    Why should the floor of the cavity be perpendicular to the occlusal forces?

    Will the pulpal floor always be hori%ontal ?

    Why should sharp corners be avoided in a cavity?

    Why should the restoration have sufficient bul&?

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    Why should the enamel not supported by dentine be removed from cavity?

    What are the roles of ridges in a tooth and how should they be treated during cavity

    cutting?

    When should two ad#acent cavities be #oined into a single large cavity?

    Will the resistance form depend on the strength of restoration?

    What is the relationship between stress bearing areas and resistance form?

    What is meant by retention form?

    What are the types of retention?

    What are the principle modes of retention?

    In a class I cavity without extension will all the walls have a pulpo occlusal

    convergences?

    What is a dovetail?

     What are auxillary 'secondary( modes of retention?

    What are pits) coves) and grooves?

    What is a gingival loc&?

    What is meant by convenience form?