PA EFDA Board Exam Recent
Questions and Answers with Excellent
Rationale
Q: How many molars are present in the mandibular arch?
Ans: 6
Q: The permanent mandibular second molar differs from the permanent
mandibular first molar by number of?
Ans: Cusps
Q: Which is not found on the occlusal surface of a mandibular molar?
Ans: Cingulum
Q: A cusp of carabelli is located on a maxillary first molar of the?
Ans: Mesiolingual cusp
Q: 3 round protuberances
Ans: Mamelons
Q: What is found on both posterior and anterior teeth?
Ans: Marginal ridges
Q: A ligual pit is most commonly found on what teeth #'s?
1
,Ans: 7 and 10
Q: What molar is likely to have 3 buccal cusps?
Ans: Mandibular first
Q: The label Mesiobucco-occlusal is appropriate for?
Ans: Point Angle of a posterior tooth
Q: On a maxillary first premolar what is the groove that sperates the
buccal and lingual cusps?
Ans: Central groove
Q: The molar with a Y,H, or U pattern
Ans: Mandibular second premolar
Q: A facial and lingual triangular ridge join to form?
Ans: Transverse ridge
Q: Cusps for a mandibular first molar
Ans: mesiolingual, mesiofacial, distolingual, distofacial, distal
Q: Major difference between first and second molars?
Ans: 1st molars has 5 cusps, 2nd molars have 4 cusps
2
, Q: Which is true of oblique ridges?
Ans: Only Maxillary molars have Oblique ridges
Q: Facial surfaces of teeth include what?
Ans: Labial and Buccal surfaces
Q: Elevated crests of enamel that form mesial and distal margins of the
occlusal surface
Ans: Marginal ridges
Q: The bulk of a tooth is made up of
Ans: Dentin
Q: Interproximal spaces between teeth
Ans: Gingival papillae
Q: Mesial and distal marginal ridges are found on
Ans: Both Posterior and Anterior teeth
Q: The distal triangular fossa of the maxillary first molar is separated from
the central fossa by the?
Ans: Oblique ridge
Q: A pinpoint depression where two or more grooves meet?
3
Questions and Answers with Excellent
Rationale
Q: How many molars are present in the mandibular arch?
Ans: 6
Q: The permanent mandibular second molar differs from the permanent
mandibular first molar by number of?
Ans: Cusps
Q: Which is not found on the occlusal surface of a mandibular molar?
Ans: Cingulum
Q: A cusp of carabelli is located on a maxillary first molar of the?
Ans: Mesiolingual cusp
Q: 3 round protuberances
Ans: Mamelons
Q: What is found on both posterior and anterior teeth?
Ans: Marginal ridges
Q: A ligual pit is most commonly found on what teeth #'s?
1
,Ans: 7 and 10
Q: What molar is likely to have 3 buccal cusps?
Ans: Mandibular first
Q: The label Mesiobucco-occlusal is appropriate for?
Ans: Point Angle of a posterior tooth
Q: On a maxillary first premolar what is the groove that sperates the
buccal and lingual cusps?
Ans: Central groove
Q: The molar with a Y,H, or U pattern
Ans: Mandibular second premolar
Q: A facial and lingual triangular ridge join to form?
Ans: Transverse ridge
Q: Cusps for a mandibular first molar
Ans: mesiolingual, mesiofacial, distolingual, distofacial, distal
Q: Major difference between first and second molars?
Ans: 1st molars has 5 cusps, 2nd molars have 4 cusps
2
, Q: Which is true of oblique ridges?
Ans: Only Maxillary molars have Oblique ridges
Q: Facial surfaces of teeth include what?
Ans: Labial and Buccal surfaces
Q: Elevated crests of enamel that form mesial and distal margins of the
occlusal surface
Ans: Marginal ridges
Q: The bulk of a tooth is made up of
Ans: Dentin
Q: Interproximal spaces between teeth
Ans: Gingival papillae
Q: Mesial and distal marginal ridges are found on
Ans: Both Posterior and Anterior teeth
Q: The distal triangular fossa of the maxillary first molar is separated from
the central fossa by the?
Ans: Oblique ridge
Q: A pinpoint depression where two or more grooves meet?
3
