Final EDDA Exam UPDATED ACTUAL
Questions and CORRECT Answers
Functions of the dental assistant performs in the role of operator are known as which of the
following? - CORRECT ANSWER- ✔✔Expanded functions
Which matrix system is used for anterior teeth? - CORRECT ANSWER- ✔✔Plastic matrix
system
A provisional crown is commonly made from what material? - CORRECT ANSWER-
✔✔Aluminum
Which of the following is true of placing dental dams? - CORRECT ANSWER- ✔✔It should
take less than 5 minutes
Which type of prosthesis is removable and rests on one or more remaining natural teeth, tooth
roots, or dental implants? - CORRECT ANSWER- ✔✔Overdenture
Which class of restoration is located in the pits and fissures of the teeth, without extending
into the tooth inner anatomy? - CORRECT ANSWER- ✔✔Class I
An acid-based dental material used to improve the bond between restoration and the tooth is
which of the following? - CORRECT ANSWER- ✔✔Etchant
A class V restoration is distinguished by a lesion that occurs on which surfaces? - CORRECT
ANSWER- ✔✔Gingival third of any tooth, either on the facial or lingual surface
Which of the following is the internal surface of the restoration space? - CORRECT
ANSWER- ✔✔Cavity wall
, Which class of restoration involves decay that extends to the proximal surfaces of molars and
premolars? - CORRECT ANSWER- ✔✔Class II
Which of the following are typically used to protect the sensitive tooth pulp during a
restoration? - CORRECT ANSWER- ✔✔Liners and bases
The process by which dental material hardens or sets is which of the following? - CORRECT
ANSWER- ✔✔Curing
Noble metals, such as gold, palladium, and platinum, are known for having which of the
following qualities? - CORRECT ANSWER- ✔✔Resistance to corrosion and tarnish
A tooth or implant that is used for the support or retention of a fixed or removable prosthesis
is which of the following? - CORRECT ANSWER- ✔✔Abutment
Which impression material is known for its rapid setting ability, mild taste, and moderate
accuracy? - CORRECT ANSWER- ✔✔Alginate
A dental material used for permanent cementing of crowns, bridges, inlays, and onlays is
which of the following? - CORRECT ANSWER- ✔✔Composite resin
Which type of prosthesis is used to fill the space where a tooth is missing? - CORRECT
ANSWER- ✔✔Bridge
Temporary restoration are designed to last for up to how long? - CORRECT ANSWER- ✔✔1
year
The degree to which dental material dissolves and breaks apart when it is wet is which of the
following? - CORRECT ANSWER- ✔✔Solubility
In the series of appointments required for a partial denture, at which appointment does the
patient actually receives the partial denture? - CORRECT ANSWER- ✔✔Fourth
Questions and CORRECT Answers
Functions of the dental assistant performs in the role of operator are known as which of the
following? - CORRECT ANSWER- ✔✔Expanded functions
Which matrix system is used for anterior teeth? - CORRECT ANSWER- ✔✔Plastic matrix
system
A provisional crown is commonly made from what material? - CORRECT ANSWER-
✔✔Aluminum
Which of the following is true of placing dental dams? - CORRECT ANSWER- ✔✔It should
take less than 5 minutes
Which type of prosthesis is removable and rests on one or more remaining natural teeth, tooth
roots, or dental implants? - CORRECT ANSWER- ✔✔Overdenture
Which class of restoration is located in the pits and fissures of the teeth, without extending
into the tooth inner anatomy? - CORRECT ANSWER- ✔✔Class I
An acid-based dental material used to improve the bond between restoration and the tooth is
which of the following? - CORRECT ANSWER- ✔✔Etchant
A class V restoration is distinguished by a lesion that occurs on which surfaces? - CORRECT
ANSWER- ✔✔Gingival third of any tooth, either on the facial or lingual surface
Which of the following is the internal surface of the restoration space? - CORRECT
ANSWER- ✔✔Cavity wall
, Which class of restoration involves decay that extends to the proximal surfaces of molars and
premolars? - CORRECT ANSWER- ✔✔Class II
Which of the following are typically used to protect the sensitive tooth pulp during a
restoration? - CORRECT ANSWER- ✔✔Liners and bases
The process by which dental material hardens or sets is which of the following? - CORRECT
ANSWER- ✔✔Curing
Noble metals, such as gold, palladium, and platinum, are known for having which of the
following qualities? - CORRECT ANSWER- ✔✔Resistance to corrosion and tarnish
A tooth or implant that is used for the support or retention of a fixed or removable prosthesis
is which of the following? - CORRECT ANSWER- ✔✔Abutment
Which impression material is known for its rapid setting ability, mild taste, and moderate
accuracy? - CORRECT ANSWER- ✔✔Alginate
A dental material used for permanent cementing of crowns, bridges, inlays, and onlays is
which of the following? - CORRECT ANSWER- ✔✔Composite resin
Which type of prosthesis is used to fill the space where a tooth is missing? - CORRECT
ANSWER- ✔✔Bridge
Temporary restoration are designed to last for up to how long? - CORRECT ANSWER- ✔✔1
year
The degree to which dental material dissolves and breaks apart when it is wet is which of the
following? - CORRECT ANSWER- ✔✔Solubility
In the series of appointments required for a partial denture, at which appointment does the
patient actually receives the partial denture? - CORRECT ANSWER- ✔✔Fourth
