PA EFDA Board UPDATED Exam
Questions and CORRECT Answers
How many molars are present in the mandibular arch? - CORRECT ANSWER -6
The permanent mandibular second molar differs from the permanent mandibular first molar by
number of? - CORRECT ANSWER - Cusps
Which is not found on the occlusal surface of a mandibular molar? - CORRECT
ANSWER - Cingulum
A cusp of carabelli is located on a maxillary first molar of the? - CORRECT ANSWER -
Mesiolingual cusp
3 round protuberances - CORRECT ANSWER - Mamelons
What is found on both posterior and anterior teeth? - CORRECT ANSWER - Marginal
ridges
A ligual pit is most commonly found on what teeth #'s? - CORRECT ANSWER - 7 and 10
What molar is likely to have 3 buccal cusps? - CORRECT ANSWER - Mandibular first
The label Mesiobucco-occlusal is appropriate for? - CORRECT ANSWER - Point Angle
of a posterior tooth
On a maxillary first premolar what is the groove that sperates the buccal and lingual cusps? -
CORRECT ANSWER - Central groove
,The molar with a Y,H, or U pattern - CORRECT ANSWER - Mandibular second premolar
A facial and lingual triangular ridge join to form? - CORRECT ANSWER - Transverse
ridge
Cusps for a mandibular first molar - CORRECT ANSWER - mesiolingual, mesiofacial,
distolingual, distofacial, distal
Major difference between first and second molars? - CORRECT ANSWER - 1st molars
has 5 cusps, 2nd molars have 4 cusps
Which is true of oblique ridges? - CORRECT ANSWER - Only Maxillary molars have
Oblique ridges
Facial surfaces of teeth include what? - CORRECT ANSWER - Labial and Buccal
surfaces
Elevated crests of enamel that form mesial and distal margins of the occlusal surface -
CORRECT ANSWER - Marginal ridges
The bulk of a tooth is made up of - CORRECT ANSWER - Dentin
Interproximal spaces between teeth - CORRECT ANSWER - Gingival papillae
Mesial and distal marginal ridges are found on - CORRECT ANSWER - Both Posterior
and Anterior teeth
The distal triangular fossa of the maxillary first molar is separated from the central fossa by the?
- CORRECT ANSWER - Oblique ridge
, A pinpoint depression where two or more grooves meet? - CORRECT ANSWER - Pit
V-shaped spaces between proximal surfaces of two adjoining teeth - CORRECT
ANSWER - Embrasure
A cavity prep the includes the mesial incisal angle of a maxillary central incisor is a? -
CORRECT ANSWER - Class IV
Overbite - CORRECT ANSWER - Vertical overlap of maxillary incisors
Centric occlusion - CORRECT ANSWER - Touching together of the upper and lower teeth
when jaws are closed
Overjet - CORRECT ANSWER - Horizontal space between upper and lower incisors
Excursive movements - CORRECT ANSWER - Movement of jaw from left to right
Protrusive movements - CORRECT ANSWER - Thrusting lower jaw forward
Crossbite - CORRECT ANSWER - Mandibular teeth are facial to their maxillary
counterparts
Working cusps - CORRECT ANSWER - Lingual of upper; Buccal of lower
Non-working cusps - CORRECT ANSWER - Buccal of upper; Lingual of lower
Walls of a molar - CORRECT ANSWER - pulpal floor,buccal,distal,lingual,mesial
Questions and CORRECT Answers
How many molars are present in the mandibular arch? - CORRECT ANSWER -6
The permanent mandibular second molar differs from the permanent mandibular first molar by
number of? - CORRECT ANSWER - Cusps
Which is not found on the occlusal surface of a mandibular molar? - CORRECT
ANSWER - Cingulum
A cusp of carabelli is located on a maxillary first molar of the? - CORRECT ANSWER -
Mesiolingual cusp
3 round protuberances - CORRECT ANSWER - Mamelons
What is found on both posterior and anterior teeth? - CORRECT ANSWER - Marginal
ridges
A ligual pit is most commonly found on what teeth #'s? - CORRECT ANSWER - 7 and 10
What molar is likely to have 3 buccal cusps? - CORRECT ANSWER - Mandibular first
The label Mesiobucco-occlusal is appropriate for? - CORRECT ANSWER - Point Angle
of a posterior tooth
On a maxillary first premolar what is the groove that sperates the buccal and lingual cusps? -
CORRECT ANSWER - Central groove
,The molar with a Y,H, or U pattern - CORRECT ANSWER - Mandibular second premolar
A facial and lingual triangular ridge join to form? - CORRECT ANSWER - Transverse
ridge
Cusps for a mandibular first molar - CORRECT ANSWER - mesiolingual, mesiofacial,
distolingual, distofacial, distal
Major difference between first and second molars? - CORRECT ANSWER - 1st molars
has 5 cusps, 2nd molars have 4 cusps
Which is true of oblique ridges? - CORRECT ANSWER - Only Maxillary molars have
Oblique ridges
Facial surfaces of teeth include what? - CORRECT ANSWER - Labial and Buccal
surfaces
Elevated crests of enamel that form mesial and distal margins of the occlusal surface -
CORRECT ANSWER - Marginal ridges
The bulk of a tooth is made up of - CORRECT ANSWER - Dentin
Interproximal spaces between teeth - CORRECT ANSWER - Gingival papillae
Mesial and distal marginal ridges are found on - CORRECT ANSWER - Both Posterior
and Anterior teeth
The distal triangular fossa of the maxillary first molar is separated from the central fossa by the?
- CORRECT ANSWER - Oblique ridge
, A pinpoint depression where two or more grooves meet? - CORRECT ANSWER - Pit
V-shaped spaces between proximal surfaces of two adjoining teeth - CORRECT
ANSWER - Embrasure
A cavity prep the includes the mesial incisal angle of a maxillary central incisor is a? -
CORRECT ANSWER - Class IV
Overbite - CORRECT ANSWER - Vertical overlap of maxillary incisors
Centric occlusion - CORRECT ANSWER - Touching together of the upper and lower teeth
when jaws are closed
Overjet - CORRECT ANSWER - Horizontal space between upper and lower incisors
Excursive movements - CORRECT ANSWER - Movement of jaw from left to right
Protrusive movements - CORRECT ANSWER - Thrusting lower jaw forward
Crossbite - CORRECT ANSWER - Mandibular teeth are facial to their maxillary
counterparts
Working cusps - CORRECT ANSWER - Lingual of upper; Buccal of lower
Non-working cusps - CORRECT ANSWER - Buccal of upper; Lingual of lower
Walls of a molar - CORRECT ANSWER - pulpal floor,buccal,distal,lingual,mesial
