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NDAEB MOCK BOARD EXAM | 100% CORRECT ANSWERS | VERIFIED | LATEST 2024 VERSION
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NDAEB MOCK BOARD EXAM | 100% CORRECT ANSWERS | VERIFIED | LATEST 2024 VERSION
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NDAEB MOCK BOARD EXAM | 100%CORRECT ANSWERS | VERIFIED | LATEST
2024 VERSION
The process of removing unhealthy tooth structure while leaving a
limited amount of healthy structure for the tooth to maintain a
restoration is known as cavity preparation. This process involves
which of the following steps?
- initial preparation
- outline, resistance, retention, convenience form
- final preparation
Responsibilities of the dental assistant in the restorative process can
include performing expanded function and maintaining patient
control.
True
Class II restorations are found on the....
Posterior teeth
The usual material of choice for class III and Class IV restorations is
...
Composite Resin
,The Class V restoration is classified as a smooth surface filling and
can be found on the...
- incisors
- canines
- premolars
When are retention pins used as a part of the direct restorative
process?
- when decay has extended beyond the normal size and shape of the cavity
preparation
- when a stronger system for retaining and supporting the restoration is
needed
- when one or more cusps of the tooth is missing
A veneer is a thin layer of tooth-coloured material that is placed on
the facial surface of a prepared tooth and is used for:
- improving appearance of teeth that are abraded, eroded or discoloured
- closing a diastema
- improving alignment of teeth
When is tooth whitening or vital bleaching not indicated for a dental
patient?
when the patient presents with severe tetracycline and fluorosis stains
,A matrix must be used to create a temporary wall for which of the
following classifications of tooth restoration?
Class II, III, and V
The most common matrix system used for class II posterior
restorations is the...
tofflemire retainer and matrix band
The universal/Tofflemire retainer holds the matrix band snugly in
position and is most often positioned...
on the buccal surface of the tooth being restored
The class II restoration requires a matrix band to act as an artificial
wall that must make proper contact with the adjacent tooth; this is
accomplished by...
- using a wedge
- contouring the centre of the matrix band in the proximal contact area
- the dentists design of the inter proximal cavity preparation
The matrix is used for anterior CR or GI restorations...
Clear Plastic
Coronal Polishing is a technique used:
, - to remove plaque and stains from coronal surfaces of the teeth
- before placement of dental sealants and orthodontic bands
- before placement of the dental dam and before acid etching
Patients at high risk for caries or with areas of thin demineralized
enamel are contraindications for coronal polishing
True
Coronal polishing is the complete removal of calculus, debris, stains
and plaque from the teeth
False
Exogenous stains are caused by an environmental source and are
classified into subdivisions, including which of the following:
- Intrinsic stains
- Extrinsic stains
Extrinsic stains can be removed from the teeth by:
- air-powder polishing
- rubber cup polishing
- bristle brushes
The ultrasonic scaler is needed for a coronal polish...
False
Disclosing solution can be used for:
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