PA EFDA Exam Prep fully solved 2023

PA EFDA Exam Prep fully solved 2023Cingulum - correct answer a bulge or prominence of enamel found on the cervical third of the lingual surface of an anterior tooth. Cusp - correct answer a major developmental convexity on or near the occlusal surface of a posterior tooth. Cusp - correct answer Found on the incisal edges of canines, Cusp - correct answer a premolar usually has two of these on the buccal and lingual surfaces.Mandibular second premolar may sometimes have three of these. Cusp Of Carabelli - correct answer Only found on the maxillary first molars Cusp of Carabelli - correct answer only found on tooth #3 and #14 Cusp of Carabelli - correct answer The fifth cusp, located on the mesial-lingual surface of many maxillary first molars. Cusp - correct answer Maxillary first and second molars and mandibular second molars usually have four of these Fossa - correct answer irregular depressions or concavities on the surface of anterior and posterior teeth - correct answer Central Fossa - correct answer the depression or concavity found in the central portion of the occlusal surface of molars Ridge - correct answer The linear elevation on the surface of a tooth. Marginal Ridge - correct answer The rounded boarder of enamel that forms the mesial and distal boundaries of the occlusal surface of molars and premolars Marginal Ridge - correct answer the mesial and distal boundaries of the lingual surfaces of incisors and cuspids. Triangular Ridge - correct answer a ridge on a molar or premolar that descends from the tips of the cusp towards the central part of the occlusal surface. Transverse Ridge - correct answer the ridge formed by two triangular ridges that extend across the surface of posterior teeth. Oblique Ridge - correct answer Ridge crossing the occlusal surface of only maxillary molars in an oblique direction How many major fossa's are there - correct answer 4 lingual Fossa Central Fossa Mesial and Distal triangular fossa Lingual Fossa - correct answer depression or concavity found on the lingual surface of mandibular and maxillary incisors located between the mesial and distal marginal ridges Triangular Fossa - correct answer located on the occlusal surface of the molars and premolars distal to the mesial marginal ridge and mesial to the distal marginal ridge Triangular Fossa - correct answer are always bordered by three developmental ridges one of which is the marginal ridge named according by there location