NEET MDS Quiz - Practice Test

1

Conservative Dentistry

In class V preparation the wall which is not present at all�
�1. Pulpal
�2. Distal
�3. Mesial
�4. Axial

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

In class V preparation, the pulpal wall is not present at all, as the cavity is confined to the cervical third of the tooth. It does not extend into the pulp chamber.�

2

Conservative Dentistry

The CAD-CAM system uses
1) Cadmium in castings
2) A purcelain furnace with very high temperature
3) A video camera to all the prepared tooth
4) None of the above

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

The CAD-CAM system utilizes digital imaging, often through a video camera or scanner, to capture the prepared tooth for designing restorations.

3

Conservative Dentistry

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

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

The main purposes of etching enamel before placing composites are to:

Increase the surface area for bonding.

Create surface irregularities to aid in mechanical interlocking.

Allow proper adaptation and decrease marginal leakage.

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