Dental Anatomy Final Exam 2022 (Answered)

Dental Anatomy Final Exam 2022 (Answered) (all correct answers indicated on top of the questions) 3 Facial, 1 Lingual Lobes of Anterior Teeth 3 Facial, 1 Lingual Lobes of Premolars 2 Facial, 2 Lingual Lobes of Molars 3 Facial, 2 Lingual Lobes of Mandibular 2nd Premolars and Mandibular 1st Molars Mandibular 2nd premolars and mandibular 1st molars All teeth come from 4 lobes, except __________. Cervically located Contact areas become more _________ the more posterior you move. Proximal Contact areas are only found on _______ surfaces. Larger; increase Contact areas get _______ due to ______ in tooth size. buccally located Contact areas are more _________ in proximal surfaces. cervical 3rd; contact area Height of Contour for all teeth - Facially at ________ - Proximally at _______. cervical 3rd (cingulum) Lingual height of contour for anterior teeth middle-occlusal 3rd Lingual height of contour for posterior teeth Increase; decrease Embrasures from anterior to posterior - From Incisal-Occlusal Aspect will _______ in size - From Lingual- Gingival Aspect will _______ in size Facial and lingual From an incisal aspect, ___________ embrasures of anterior teeth are about equal in size lingual; buccal From an occlusal aspect, the _________ embrasure is larger than the _______ embrasure on posterior teeth. Mesial The depth of CEJ curvature is greater on which surface of all teeth? anterior (teeth) Which has the greatest depth of CEJ curvature, anterior or posterior teeth? adjacent teeth CEJ curvatures are about the same height on _______. Apex; Incisal/Occlusal CEJ Curvature: - Lingual and Facial Surfaces: Toward _______ - Proximal Surfaces: Toward _______ Trapezoid; trapezoid; triangular; rhomboid Crown Surface Form: - All Teeth- Facial and Lingual: _______ - Maxillary posterior proximal surface: _______ - Anterior proximal surface:______ - Mandibular posterior proximal surface: ______ trapezoid; pentagon Crown surface form of Canines - General: ______ - Specific: ______ Hexagon Occlusal shape of Maxillary 1st Premolar Ovoid Occlusal shape of Maxillary 2nd Premolar Diamond Occlusal shape of Mandibular 1st Premolar Rectangle Occlusal shape of Mandibular 2nd Molar adjacent teeth Usually the marginal ridges of _______ are the same height. Adjacent teeth ___________ have the same CEJ curvatures and marginal ridge height mesial; distal On canines, the _______ marginal ridge is longer than the _______ marginal ridge. lingually Marginal ridges are located ________ at mesial and distal line angles occlusal and lingual Marginal ridges are shaped in such a manner that the _____________ are small. cervically; apex Roots are widest ________ and taper toward ______. Mandibular Roots of ______ teeth are more flattened. anterior Most _______ teeth have 1 root that is long and tapered Maxillary 1st premolar The only anterior tooth with 2 roots. 3; mesiobuccal, distobuccal, lingual; 3; buccal, mesial, lingual Maxillary molars have: - ______ roots; List them - ______ furcations; List them