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
,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
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)
- for teeth with deep pits & fissures
- for some adults
Sealants shouldn't be used in which of the following situations: -
answer-- obvious dental decay or proximal surface decay
- primary teeth that will be lost soon
- poor patient cooperation in the dental chair or lack of pits & fissures
Sealants may vary in: - answer-- method of polymerization
- colour
- whether they contain fillers
A general tip for sealant materials is to store them in a refrigerator: -
answer-False
The first step in placing dental sealants is to: - answer-clean the
surface
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