NDAEB EXAMINATION TEST QUESTIONS ANSWERS ACCURATE REVIEW SHEET GRADED A+

NDAEB EXAMINATION TEST QUESTIONS
ANSWERS ACCURATE REVIEW SHEET
GRADED A+

●● 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


●● 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


●● 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


●● Coronal polishing is the complete removal of calculus, debris, stains
and plaque from the teeth
Answer: False