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PA EFDA Board Exam | 181 Questions with 100% Correct Answers

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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 mola...

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  • October 4, 2022
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PA EFDA Board Exam | 181 Questions with 100% 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

Features of the occlusal surface of a permanent maxillary molar include.. Correct Answer:
distomarginal ridge, mesiomarginal ridge, oblique ridge, distomarginal ridge, cusp of caribelli

Structure that covers the anatomical crown of a tooth Correct Answer: Enamel

The maxillary first premolar differs from the maxillary second premolar in that the maxillary
first premolar has: Correct Answer: 2 roots, one buccal and one lingual

The relationship between the working end of the instrument and the tooth surface Correct
Answer: Adaptation

Carious lesions are least likely to occur on Correct Answer: Cusp tips

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