NDAEB Practice Questions & Answers (A+)
Who was the first woman to graduate from a recognized dental college? Answer-Lucy B.
Hobbs-Taylor
What are the conditions that would indicate the need for restorative dentistry? Answer--
initial or recurring decay
- replacement or failed restorations
-...
NDAEB Practice Questions & Answers (A+)
Who was the first woman to graduate from a recognized dental college? Answer-Lucy B.
Hobbs-Taylor
What are the conditions that would indicate the need for restorative dentistry? Answer--
initial or recurring decay
- replacement or failed restorations
- abrasion or wearing away of tooth structure
True or False: Aesthetic dentistry is primarily devoted to improving the appearance of teeth;
specific conditions that indicate a need for aesthetic treatment include the replacement of a
partial denture. Answer-False
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? Answer-- 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. Answer-True
Class II restorations are found on the.... Answer-Posterior teeth
, NDAEB Practice Questions & Answers (A+)
The usual material of choice for class III and Class IV restorations is ... Answer-Composite
Resin
The Class V restoration is classified as a smooth surface filling and can be found on the...
Answer-- incisors
- canines
- premolars
When are retention pins used as a part of the direct restorative process? Answer-- 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: Answer-- 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? Answer-
when the patient presents with severe tetracycline and fluorosis stains
, NDAEB Practice Questions & Answers (A+)
A matrix must be used to create a temporary wall for which of the following classifications of
tooth restoration? Answer-Class II, III, and V
The most common matrix system used for class II posterior restorations is the... Answer-
tofflemire retainer and matrix band
The universal/Tofflemire retainer holds the matrix band snugly in position and is most often
positioned... Answer-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... Answer-- 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... Answer-Clear Plastic
Coronal Polishing is a technique used: Answer-- 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 Answer-True
, NDAEB Practice Questions & Answers (A+)
Coronal polishing is the complete removal of calculus, debris, stains and plaque from the teeth
Answer-False
Exogenous stains are caused by an environmental source and are classified into subdivisions,
including which of the following: Answer-- Intrinsic stains
- Extrinsic stains
Extrinsic stains can be removed from the teeth by: Answer-- air-powder polishing
- rubber cup polishing
- bristle brushes
The ultrasonic scaler is needed for a coronal polish... Answer-False
Disclosing solution can be used for: Answer-- identifying areas of plaque
- evaluating the effectiveness of the polishing
Teeth with very small initial carious lesions may be sealed, and the bacteria will not survive
under a properly placed sealant Answer-True
Sealants have been proved an effective way to prevent the development of dental caries and
are indicated: Answer-- through the caries-active period (ages 6-15)
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