MDS PREP

Occlusal to gingival divergence for a cast restoration on a short crown
1) Minimum for maximum retention
2) Maximum for minimum resistance
3) Maximum for max resistance
4) Minimum for maximum resistance

Conservative Dentistry Answer: 1

Type IV gold is not selected for inlays because
1) Low percentage elongation
2) High ductility
3) High strength
4) High proportional limit

Conservative Dentistry Answer: 1

Matrix band is difficult to adapt on upper first premolar because of
1) Axial inclination
2) Concavity in the cervical thirds mesially
3) Concavity in the cervical thirds distally
4) Presence of buccal ridges

Conservative Dentistry Answer: 2

The following is a corrosive product of high copper amalgams
1) Silver sulphide
2) Copper oxide
3) Stannous oxide
4) No corrosive product formed

Conservative Dentistry Answer: 2

Retention in class II cavities for direct gold filling is provided by
1) Converging proximal walls
2) Occlusal dovetail
3) Acute axiogingival line angles
4) All of the above

Conservative Dentistry Answer: 4

A patient has well adjusted and seated onlays on upper second premolar and molar. After four weeks he complains of the fracture of the lingual cusps of the first premolar. The cause may be due to all except
1) Onlays are in supraocclusion
2) Onlays are in infraocclusion
3) Biting on the hard food
4) None of the above

Conservative Dentistry Answer: 1

The main purpose of etching the enamel before placing composites
1) Increases the surface area 2000 times
2) To create surface irregularities to aid in mechanical interblocking
3) Allow proper adaptation and decrease marginal leakage
4) All of the above

Conservative Dentistry Answer: 4

Electrosurgical procedure during gingival management produce all except
1) Access to cavity margins
2) Reduction of a thin layer of inner wall of gingival
3) Vertical reduction of gingiva
4) Coagulative haemostasis

MDS PREP

Occlusal to gingival divergence for a cast restoration on a short crown
1) Minimum for maximum retention
2) Maximum for minimum resistance
3) Maximum for max resistance
4) Minimum for maximum resistance

Type IV gold is not selected for inlays because
1) Low percentage elongation
2) High ductility
3) High strength
4) High proportional limit

Matrix band is difficult to adapt on upper first premolar because of
1) Axial inclination
2) Concavity in the cervical thirds mesially
3) Concavity in the cervical thirds distally
4) Presence of buccal ridges

The following is a corrosive product of high copper amalgams
1) Silver sulphide
2) Copper oxide
3) Stannous oxide
4) No corrosive product formed

Retention in class II cavities for direct gold filling is provided by
1) Converging proximal walls
2) Occlusal dovetail
3) Acute axiogingival line angles
4) All of the above

The main purpose of etching the enamel before placing composites
1) Increases the surface area 2000 times
2) To create surface irregularities to aid in mechanical interblocking
3) Allow proper adaptation and decrease marginal leakage
4) All of the above

Electrosurgical procedure during gingival management produce all except
1) Access to cavity margins
2) Reduction of a thin layer of inner wall of gingival
3) Vertical reduction of gingiva
4) Coagulative haemostasis

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MDS PREP

Occlusal to gingival divergence for a cast restoration on a short crown1) Minimum for maximum retention2) Maximum for minimum resistance3) Maximum for max resistance4) Minimum for maximum resistance

Type IV gold is not selected for inlays because1) Low percentage elongation2) High ductility3) High strength4) High proportional limit

Matrix band is difficult to adapt on upper first premolar because of1) Axial inclination2) Concavity in the cervical thirds mesially3) Concavity in the cervical thirds distally4) Presence of buccal ridges

The following is a corrosive product of high copper amalgams1) Silver sulphide2) Copper oxide3) Stannous oxide4) No corrosive product formed

Retention in class II cavities for direct gold filling is provided by1) Converging proximal walls2) Occlusal dovetail3) Acute axiogingival line angles4) All of the above

The main purpose of etching the enamel before placing composites1) Increases the surface area 2000 times2) To create surface irregularities to aid in mechanical interblocking3) Allow proper adaptation and decrease marginal leakage4) All of the above

Electrosurgical procedure during gingival management produce all except1) Access to cavity margins2) Reduction of a thin layer of inner wall of gingival3) Vertical reduction of gingiva4) Coagulative haemostasis

Explore by subjects

Occlusal to gingival divergence for a cast restoration on a short crown
1) Minimum for maximum retention
2) Maximum for minimum resistance
3) Maximum for max resistance
4) Minimum for maximum resistance

Type IV gold is not selected for inlays because
1) Low percentage elongation
2) High ductility
3) High strength
4) High proportional limit

Matrix band is difficult to adapt on upper first premolar because of
1) Axial inclination
2) Concavity in the cervical thirds mesially
3) Concavity in the cervical thirds distally
4) Presence of buccal ridges

The following is a corrosive product of high copper amalgams
1) Silver sulphide
2) Copper oxide
3) Stannous oxide
4) No corrosive product formed

Retention in class II cavities for direct gold filling is provided by
1) Converging proximal walls
2) Occlusal dovetail
3) Acute axiogingival line angles
4) All of the above

The main purpose of etching the enamel before placing composites
1) Increases the surface area 2000 times
2) To create surface irregularities to aid in mechanical interblocking
3) Allow proper adaptation and decrease marginal leakage
4) All of the above

Electrosurgical procedure during gingival management produce all except
1) Access to cavity margins
2) Reduction of a thin layer of inner wall of gingival
3) Vertical reduction of gingiva
4) Coagulative haemostasis