1061. The minimally acceptable restoration for an endodontically treated maxillary first premolar :

A. An onlay *
B. MOD amalgam
C. A full cast crown
D. An oculus amalgam

1062. During preparation for cast gold restoration , the cusp which is weakened by the cavity preparation must be :

A. Covered by cast restoration and reduced *
B. Made stronger by cement or an amalgam core
C. Bevelled to reduce forces
D. None of them

1063. Bevels are given for restoration with cast gold inlay and onlay for ?

A. To enhance edge strength
B. To remove unsupported enamel rods
C. Thin margins are easily adaptable *
D. To prevent fracture of tooth

1064. Bur used for assess preparation of PFM is :

A. Diamond bur
B. Carbide bur
C. Diamond for ceramic and carbide for metal *
D. None of them

1065. The ideal marginal metal for cast inlay restoration should be :

A. 20-30 degree
B. 30-40 degree *
C. 40-50 degree
D. More than 50 degree

1066. A ferrule is :

A. A standard overseeing gold trim depression planning
B. A mechanical rapid tooth separator
C. An encircling band of metal that increases fracture resistance of the tooth *
D. An electronic measuring device for determination of the length of tooth during root canal treatment

1067. Large carious lesions can be best restored by :

A. Cast gold inlays *
B. Pin retained amalgam
C. Direct gold restoration
D. Both A and B

1068. Cast restoration can be used to correct periodontal problem by :

A. Creating ideal occlusion
B. Restoring contact areas, marginal ridges *
C. Forming ideal embrasurs
D. All of the above

1069. A gypsum impression of occlusal table is called :

A. Primary impression
B. Anatomical core
C. Slush impression
D. All of the above

1070. An inlay is a :

A. Direct gold restoration
B. Cast gold restoration *
C. Both A and B
D. None of the above