MDS PREP

The maximum amount of mercury vapour allowed in the workplace
1) 0.005 mg/meter cube
2) 0.0005 mg/meter cube
3) 0.05 mg/meter cube
4) 0.025 mg/meter cube

Conservative Dentistry Answer: 3

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

Which of the following is not true about pin-retained amalgam restorations
1) Tooth preparation is conservative
2) Proper occlusal contacts can be achieved
3) Resistance is increased
4) Retention is increased

Conservative Dentistry Answer: 3

The method of choice to remove a distoocclusal onlay from a maxillary premolar
1) To use a substance that dissolves the cementing medium
2) Cutting the onlay with a round bur
3) Cutting at the isthumus region to remove it in two pieces
4) Use mallet and hammer to remove in one piece

Conservative Dentistry Answer: 3

In bitewing radiographs, occlusal pit caries of enamel appears as a
1) Circular radiolucent area
2) Triangular radiolucent area with its base towards the dentine-enamel junction
3) Vertical radiolucent line
4) None of the above

Conservative Dentistry Answer: 2

The main purpose of sealing the caries in deep cavities is
1) To allow secondary dentine deposition before complete excavation
2) To kill the bacteria deep in the carious lesion
3) To avoid removing the more tooth structure
4) All of the above

Conservative Dentistry Answer: 1

Filler used in composites is
1) Quartz
2) Colloidal silica
3) Aluminium
4) Glass

Conservative Dentistry Answer: 2

Back pressure porosity can be restified by
1) Vaccum investing the wax pattern
2) Decreasing the mould and casting temperature
3) Using proper technique of burn out temperature of casting pressure
4) All of the above

MDS PREP

The maximum amount of mercury vapour allowed in the workplace
1) 0.005 mg/meter cube
2) 0.0005 mg/meter cube
3) 0.05 mg/meter cube
4) 0.025 mg/meter cube

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

Which of the following is not true about pin-retained amalgam restorations
1) Tooth preparation is conservative
2) Proper occlusal contacts can be achieved
3) Resistance is increased
4) Retention is increased

The method of choice to remove a distoocclusal onlay from a maxillary premolar
1) To use a substance that dissolves the cementing medium
2) Cutting the onlay with a round bur
3) Cutting at the isthumus region to remove it in two pieces
4) Use mallet and hammer to remove in one piece

In bitewing radiographs, occlusal pit caries of enamel appears as a
1) Circular radiolucent area
2) Triangular radiolucent area with its base towards the dentine-enamel junction
3) Vertical radiolucent line
4) None of the above

The main purpose of sealing the caries in deep cavities is
1) To allow secondary dentine deposition before complete excavation
2) To kill the bacteria deep in the carious lesion
3) To avoid removing the more tooth structure
4) All of the above

Filler used in composites is
1) Quartz
2) Colloidal silica
3) Aluminium
4) Glass

Back pressure porosity can be restified by
1) Vaccum investing the wax pattern
2) Decreasing the mould and casting temperature
3) Using proper technique of burn out temperature of casting pressure
4) All of the above

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MDS PREP

The maximum amount of mercury vapour allowed in the workplace 1) 0.005 mg/meter cube2) 0.0005 mg/meter cube3) 0.05 mg/meter cube4) 0.025 mg/meter cube

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

Which of the following is not true about pin-retained amalgam restorations1) Tooth preparation is conservative2) Proper occlusal contacts can be achieved3) Resistance is increased4) Retention is increased

The method of choice to remove a distoocclusal onlay from a maxillary premolar1) To use a substance that dissolves the cementing medium2) Cutting the onlay with a round bur3) Cutting at the isthumus region to remove it in two pieces4) Use mallet and hammer to remove in one piece

In bitewing radiographs, occlusal pit caries of enamel appears as a1) Circular radiolucent area2) Triangular radiolucent area with its base towards the dentine-enamel junction3) Vertical radiolucent line4) None of the above

The main purpose of sealing the caries in deep cavities is1) To allow secondary dentine deposition before complete excavation2) To kill the bacteria deep in the carious lesion3) To avoid removing the more tooth structure4) All of the above

Filler used in composites is1) Quartz2) Colloidal silica3) Aluminium4) Glass

Back pressure porosity can be restified by1) Vaccum investing the wax pattern2) Decreasing the mould and casting temperature3) Using proper technique of burn out temperature of casting pressure4) All of the above

Explore by subjects

The maximum amount of mercury vapour allowed in the workplace
1) 0.005 mg/meter cube
2) 0.0005 mg/meter cube
3) 0.05 mg/meter cube
4) 0.025 mg/meter cube

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

Which of the following is not true about pin-retained amalgam restorations
1) Tooth preparation is conservative
2) Proper occlusal contacts can be achieved
3) Resistance is increased
4) Retention is increased

The method of choice to remove a distoocclusal onlay from a maxillary premolar
1) To use a substance that dissolves the cementing medium
2) Cutting the onlay with a round bur
3) Cutting at the isthumus region to remove it in two pieces
4) Use mallet and hammer to remove in one piece

In bitewing radiographs, occlusal pit caries of enamel appears as a
1) Circular radiolucent area
2) Triangular radiolucent area with its base towards the dentine-enamel junction
3) Vertical radiolucent line
4) None of the above

The main purpose of sealing the caries in deep cavities is
1) To allow secondary dentine deposition before complete excavation
2) To kill the bacteria deep in the carious lesion
3) To avoid removing the more tooth structure
4) All of the above

Filler used in composites is
1) Quartz
2) Colloidal silica
3) Aluminium
4) Glass

Back pressure porosity can be restified by
1) Vaccum investing the wax pattern
2) Decreasing the mould and casting temperature
3) Using proper technique of burn out temperature of casting pressure
4) All of the above