PA EFDA Board Exam Ques ons and answers RATED A+
2025/2026 100% VERIFIED CORRECT
How many molars are present in the mandibular arch?
6
The permanent mandibular second molar differs from the permanent mandibular first molar by
number of?
Cusps
Which is not found on the occlusal surface of a mandibular molar?
Cingulum
A cusp of carabelli is located on a maxillary first molar of the?
Mesiolingual cusp
3 round protuberances
Mamelons
What is found on both posterior and anterior teeth?
Marginal ridges
A ligual pit is most commonly found on what teeth #'s?
7 and 10
What molar is likely to have 3 buccal cusps?
Mandibular first
The label Mesiobucco-occlusal is appropriate for?
Point Angle of a posterior tooth
On a maxillary first premolar what is the groove that sperates the buccal and lingual cusps?
Central groove
The molar with a Y,H, or U pa/ern
Mandibular second premolar
,A facial and lingual triangular ridge join to form?
Transverse ridge
AD
Cusps for a mandibular first molar
mesiolingual, mesiofacial, distolingual, distofacial, distal
Major difference between first and second molars?
1st molars has 5 cusps, 2nd molars have 4 cusps
Which is true of oblique ridges?
Only Maxillary molars have Oblique ridges
Facial surfaces of teeth include what?
Labial and Buccal surfaces
Elevated crests of enamel that form mesial and distal margins of the occlusal surface
Marginal ridges
The bulk of a tooth is made up of
Den:n
Interproximal spaces between teeth
Gingival papillae
Mesial and distal marginal ridges are found on
Both Posterior and Anterior teeth
The distal triangular fossa of the maxillary first molar is separated from the central fossa by the?
Oblique ridge
A pinpoint depression where two or more grooves meet?
Pit
AD
V-shaped spaces between proximal surfaces of two adjoining teeth
Embrasure
, A cavity prep the includes the mesial incisal angle of a maxillary central incisor is a?
Class IV
Overbite
Ver:cal overlap of maxillary incisors
Centric occlusion
Touching together of the upper and lower teeth when jaws are closed
Overjet
Horizontal space between upper and lower incisors
Excursive movements
Movement of jaw from le? to right
Protrusive movements
Thrus:ng lower jaw forward
Crossbite
Mandibular teeth are facial to their maxillary counterparts
Working cusps
Lingual of upper; Buccal of lower
Non-working cusps
Buccal of upper; Lingual of lower
AD
Walls of a molar
pulpal floor,buccal,distal,lingual,mesial
Features of the occlusal surface of a permanent maxillary molar include..
distomarginal ridge, mesiomarginal ridge, oblique ridge, distomarginal ridge, cusp of caribelli
Structure that covers the anatomical crown of a tooth
Enamel
2025/2026 100% VERIFIED CORRECT
How many molars are present in the mandibular arch?
6
The permanent mandibular second molar differs from the permanent mandibular first molar by
number of?
Cusps
Which is not found on the occlusal surface of a mandibular molar?
Cingulum
A cusp of carabelli is located on a maxillary first molar of the?
Mesiolingual cusp
3 round protuberances
Mamelons
What is found on both posterior and anterior teeth?
Marginal ridges
A ligual pit is most commonly found on what teeth #'s?
7 and 10
What molar is likely to have 3 buccal cusps?
Mandibular first
The label Mesiobucco-occlusal is appropriate for?
Point Angle of a posterior tooth
On a maxillary first premolar what is the groove that sperates the buccal and lingual cusps?
Central groove
The molar with a Y,H, or U pa/ern
Mandibular second premolar
,A facial and lingual triangular ridge join to form?
Transverse ridge
AD
Cusps for a mandibular first molar
mesiolingual, mesiofacial, distolingual, distofacial, distal
Major difference between first and second molars?
1st molars has 5 cusps, 2nd molars have 4 cusps
Which is true of oblique ridges?
Only Maxillary molars have Oblique ridges
Facial surfaces of teeth include what?
Labial and Buccal surfaces
Elevated crests of enamel that form mesial and distal margins of the occlusal surface
Marginal ridges
The bulk of a tooth is made up of
Den:n
Interproximal spaces between teeth
Gingival papillae
Mesial and distal marginal ridges are found on
Both Posterior and Anterior teeth
The distal triangular fossa of the maxillary first molar is separated from the central fossa by the?
Oblique ridge
A pinpoint depression where two or more grooves meet?
Pit
AD
V-shaped spaces between proximal surfaces of two adjoining teeth
Embrasure
, A cavity prep the includes the mesial incisal angle of a maxillary central incisor is a?
Class IV
Overbite
Ver:cal overlap of maxillary incisors
Centric occlusion
Touching together of the upper and lower teeth when jaws are closed
Overjet
Horizontal space between upper and lower incisors
Excursive movements
Movement of jaw from le? to right
Protrusive movements
Thrus:ng lower jaw forward
Crossbite
Mandibular teeth are facial to their maxillary counterparts
Working cusps
Lingual of upper; Buccal of lower
Non-working cusps
Buccal of upper; Lingual of lower
AD
Walls of a molar
pulpal floor,buccal,distal,lingual,mesial
Features of the occlusal surface of a permanent maxillary molar include..
distomarginal ridge, mesiomarginal ridge, oblique ridge, distomarginal ridge, cusp of caribelli
Structure that covers the anatomical crown of a tooth
Enamel
