2026 ANSWERS GUARANTEED PASS
⫸ 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
⫸ 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