PA EFDA BOARD EXAM WITH 100% CORRECT SOLUTIONS GRADED A+| 2024 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
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