NDAEB Practice Questions and
Correct Answers
Who was the first woman to graduate from a recognized dental college?
Ans Lucy B. Hobbs-Taylor
What are the conditions that would indicate the need for restorative dentistry?
Ans - 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.
Ans 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?
,Ans - 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.
Ans True
Class II restorations are found on the....
Ans Posterior teeth
The usual material of choice for class III and Class IV restorations is ...
Ans Composite Resin
The Class V restoration is classified as a smooth surface filling and can be found on the...
Ans - incisors
- canines
- premolars
,When are retention pins used as a part of the direct restorative process?
Ans - 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:
Ans - 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?
Ans 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?
Ans Class II, III, and V
The most common matrix system used for class II posterior restorations is the...
, Ans tofflemire retainer and matrix band
The universal/Tofflemire retainer holds the matrix band snugly in position and is most often
positioned...
Ans 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...
Ans - 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...
Ans Clear Plastic
Coronal Polishing is a technique used:
Ans - 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
Correct Answers
Who was the first woman to graduate from a recognized dental college?
Ans Lucy B. Hobbs-Taylor
What are the conditions that would indicate the need for restorative dentistry?
Ans - 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.
Ans 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?
,Ans - 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.
Ans True
Class II restorations are found on the....
Ans Posterior teeth
The usual material of choice for class III and Class IV restorations is ...
Ans Composite Resin
The Class V restoration is classified as a smooth surface filling and can be found on the...
Ans - incisors
- canines
- premolars
,When are retention pins used as a part of the direct restorative process?
Ans - 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:
Ans - 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?
Ans 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?
Ans Class II, III, and V
The most common matrix system used for class II posterior restorations is the...
, Ans tofflemire retainer and matrix band
The universal/Tofflemire retainer holds the matrix band snugly in position and is most often
positioned...
Ans 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...
Ans - 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...
Ans Clear Plastic
Coronal Polishing is a technique used:
Ans - 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
