MDS PREP

The main disadvantages of composites of not being recommended for class II posterior restorations
1) Colour matching is not good
2) Lacks sufficient strength
3) Occlusal wear
4) Frequent fractures at the isthmus

Conservative Dentistry Answer: 3

A major factor determining the efficiency of bur is
1) Taper angle
2) Spiral angle
3) Head angle
4) Head diameter

Conservative Dentistry Answer: 2

The thickness of the band material used for class II restoration is
1) 0.002 inch
2) 0.02 inch
3) 0.002 mm
4) 0.02 mm

Conservative Dentistry Answer: 1

Surface hardness of gold foil during condensation
1. Always increases
2. Always decreases
3. Increased followed by a decrease
4. Not correlated

Conservative Dentistry Answer: 1

For a class V cavity for amalgam
1) Mesiodistal walls are parallel and occlusogingival walls converging
2) Mesiodistal walls diverging occlusogingival walls converging
3) MD walls diverging, OG walls diverging
4) MD walls and OG walls parallel

Conservative Dentistry Answer: 3

Wedging in the interproximal areas in case of recession is called
1) Piggy back
2) Tie back
3) Tie through
4) None of the above

Conservative Dentistry Answer: 1

Threaded pins are used in large dental amalgam restorations to provide
1) Retention form
2) Resistance form
3) Occlusal stops for opposing teeth
4) All of the above

Conservative Dentistry Answer: 1

Odontoblasts are drawn into tubules due to
1) Mechanical irritation of the pulp
2) Over heating of the pulp
3) Dehydration of the pulp
4) Excessive stresses on the pulp

Conservative Dentistry Answer: 3

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MDS PREP

The main disadvantages of composites of not being recommended for class II posterior restorations1) Colour matching is not good2) Lacks sufficient strength3) Occlusal wear4) Frequent fractures at the isthmus

A major factor determining the efficiency of bur is1) Taper angle2) Spiral angle3) Head angle4) Head diameter

The thickness of the band material used for class II restoration is1) 0.002 inch2) 0.02 inch3) 0.002 mm4) 0.02 mm

Surface hardness of gold foil during condensation 1. Always increases2. Always decreases3. Increased followed by a decrease4. Not correlated

For a class V cavity for amalgam1) Mesiodistal walls are parallel and occlusogingival walls converging2) Mesiodistal walls diverging occlusogingival walls converging3) MD walls diverging, OG walls diverging4) MD walls and OG walls parallel

Wedging in the interproximal areas in case of recession is called1) Piggy back2) Tie back3) Tie through4) None of the above

Threaded pins are used in large dental amalgam restorations to provide1) Retention form2) Resistance form3) Occlusal stops for opposing teeth4) All of the above

Odontoblasts are drawn into tubules due to1) Mechanical irritation of the pulp2) Over heating of the pulp3) Dehydration of the pulp4) Excessive stresses on the pulp

Explore by subjects

The main disadvantages of composites of not being recommended for class II posterior restorations
1) Colour matching is not good
2) Lacks sufficient strength
3) Occlusal wear
4) Frequent fractures at the isthmus

A major factor determining the efficiency of bur is
1) Taper angle
2) Spiral angle
3) Head angle
4) Head diameter

The thickness of the band material used for class II restoration is
1) 0.002 inch
2) 0.02 inch
3) 0.002 mm
4) 0.02 mm

Surface hardness of gold foil during condensation
1. Always increases
2. Always decreases
3. Increased followed by a decrease
4. Not correlated

For a class V cavity for amalgam
1) Mesiodistal walls are parallel and occlusogingival walls converging
2) Mesiodistal walls diverging occlusogingival walls converging
3) MD walls diverging, OG walls diverging
4) MD walls and OG walls parallel

Wedging in the interproximal areas in case of recession is called
1) Piggy back
2) Tie back
3) Tie through
4) None of the above

Threaded pins are used in large dental amalgam restorations to provide
1) Retention form
2) Resistance form
3) Occlusal stops for opposing teeth
4) All of the above

Odontoblasts are drawn into tubules due to
1) Mechanical irritation of the pulp
2) Over heating of the pulp
3) Dehydration of the pulp
4) Excessive stresses on the pulp