PA EFDA Board Exam Questions with All Correct Answers

PA EFDA Board Exam Questions with All Correct Answers 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 Structure that covers the anatomical crown of a tooth - ANSWER Enamel