PA EFDA Board Exam: Questions And Answers (100% Correct)
How many molars are present in the mandibular arch? Correct Ans - 6
The permanent mandibular second molar differs from the permanent mandibular first
molar by number of? Correct Ans - Cusps
Which is not found on the occlusal surface of a mandibular molar? Correct Ans -
Cingulum
A cusp of carabelli is located on a maxillary first molar of the? Correct Ans -
Mesiolingual cusp
3 round protuberances Correct Ans - Mamelons
What is found on both posterior and anterior teeth? Correct Ans - Marginal ridges
A ligual pit is most commonly found on what teeth #'s? Correct Ans - 7 and 10
What molar is likely to have 3 buccal cusps? Correct Ans - Mandibular first
The label Mesiobucco-occlusal is appropriate for? Correct Ans - Point Angle of a
posterior tooth
On a maxillary first premolar what is the groove that sperates the buccal and lingual
cusps? Correct Ans - Central groove
The molar with a Y,H, or U pattern Correct Ans - Mandibular second premolar
A facial and lingual triangular ridge join to form? Correct Ans - Transverse ridge
Cusps for a mandibular first molar Correct Ans - mesiolingual, mesiofacial,
distolingual, distofacial, distal
Major difference between first and second molars? Correct Ans - 1st molars has 5
cusps, 2nd molars have 4 cusps
Which is true of oblique ridges? Correct Ans - Only Maxillary molars have Oblique
ridges
Facial surfaces of teeth include what? Correct Ans - Labial and Buccal surfaces
Elevated crests of enamel that form mesial and distal margins of the occlusal surface
Correct Ans - Marginal ridges
The bulk of a tooth is made up of Correct Ans - Dentin
, Interproximal spaces between teeth Correct Ans - Gingival papillae
Mesial and distal marginal ridges are found on Correct Ans - Both Posterior and
Anterior teeth
The distal triangular fossa of the maxillary first molar is separated from the central
fossa by the? Correct Ans - Oblique ridge
A pinpoint depression where two or more grooves meet? Correct Ans - Pit
V-shaped spaces between proximal surfaces of two adjoining teeth Correct Ans -
Embrasure
A cavity prep the includes the mesial incisal angle of a maxillary central incisor is a?
Correct Ans - Class IV
Overbite Correct Ans - Vertical overlap of maxillary incisors
Centric occlusion Correct Ans - Touching together of the upper and lower teeth
when jaws are closed
Overjet Correct Ans - Horizontal space between upper and lower incisors
Excursive movements Correct Ans - Movement of jaw from left to right
Protrusive movements Correct Ans - Thrusting lower jaw forward
Crossbite Correct Ans - Mandibular teeth are facial to their maxillary
counterparts
Working cusps Correct Ans - Lingual of upper; Buccal of lower
Non-working cusps Correct Ans - Buccal of upper; Lingual of lower
Walls of a molar Correct Ans - pulpal floor,buccal,distal,lingual,mesial
Features of the occlusal surface of a permanent maxillary molar include.. Correct Ans
- distomarginal ridge, mesiomarginal ridge, oblique ridge, distomarginal ridge, cusp
of caribelli
Structure that covers the anatomical crown of a tooth Correct Ans - Enamel
The maxillary first premolar differs from the maxillary second premolar in that the
maxillary first premolar has: Correct Ans - 2 roots, one buccal and one lingual
How many molars are present in the mandibular arch? Correct Ans - 6
The permanent mandibular second molar differs from the permanent mandibular first
molar by number of? Correct Ans - Cusps
Which is not found on the occlusal surface of a mandibular molar? Correct Ans -
Cingulum
A cusp of carabelli is located on a maxillary first molar of the? Correct Ans -
Mesiolingual cusp
3 round protuberances Correct Ans - Mamelons
What is found on both posterior and anterior teeth? Correct Ans - Marginal ridges
A ligual pit is most commonly found on what teeth #'s? Correct Ans - 7 and 10
What molar is likely to have 3 buccal cusps? Correct Ans - Mandibular first
The label Mesiobucco-occlusal is appropriate for? Correct Ans - Point Angle of a
posterior tooth
On a maxillary first premolar what is the groove that sperates the buccal and lingual
cusps? Correct Ans - Central groove
The molar with a Y,H, or U pattern Correct Ans - Mandibular second premolar
A facial and lingual triangular ridge join to form? Correct Ans - Transverse ridge
Cusps for a mandibular first molar Correct Ans - mesiolingual, mesiofacial,
distolingual, distofacial, distal
Major difference between first and second molars? Correct Ans - 1st molars has 5
cusps, 2nd molars have 4 cusps
Which is true of oblique ridges? Correct Ans - Only Maxillary molars have Oblique
ridges
Facial surfaces of teeth include what? Correct Ans - Labial and Buccal surfaces
Elevated crests of enamel that form mesial and distal margins of the occlusal surface
Correct Ans - Marginal ridges
The bulk of a tooth is made up of Correct Ans - Dentin
, Interproximal spaces between teeth Correct Ans - Gingival papillae
Mesial and distal marginal ridges are found on Correct Ans - Both Posterior and
Anterior teeth
The distal triangular fossa of the maxillary first molar is separated from the central
fossa by the? Correct Ans - Oblique ridge
A pinpoint depression where two or more grooves meet? Correct Ans - Pit
V-shaped spaces between proximal surfaces of two adjoining teeth Correct Ans -
Embrasure
A cavity prep the includes the mesial incisal angle of a maxillary central incisor is a?
Correct Ans - Class IV
Overbite Correct Ans - Vertical overlap of maxillary incisors
Centric occlusion Correct Ans - Touching together of the upper and lower teeth
when jaws are closed
Overjet Correct Ans - Horizontal space between upper and lower incisors
Excursive movements Correct Ans - Movement of jaw from left to right
Protrusive movements Correct Ans - Thrusting lower jaw forward
Crossbite Correct Ans - Mandibular teeth are facial to their maxillary
counterparts
Working cusps Correct Ans - Lingual of upper; Buccal of lower
Non-working cusps Correct Ans - Buccal of upper; Lingual of lower
Walls of a molar Correct Ans - pulpal floor,buccal,distal,lingual,mesial
Features of the occlusal surface of a permanent maxillary molar include.. Correct Ans
- distomarginal ridge, mesiomarginal ridge, oblique ridge, distomarginal ridge, cusp
of caribelli
Structure that covers the anatomical crown of a tooth Correct Ans - Enamel
The maxillary first premolar differs from the maxillary second premolar in that the
maxillary first premolar has: Correct Ans - 2 roots, one buccal and one lingual
