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