What is the functional form of anterior teeth from the mesial or the distal aspect ?
(A) Rhomboidal
(B) Trapezoidal
(C) Elliptical
(D) Wedge- shaped
Which line angle area is most acute when a permanent maxillary second molar is viewed occlusally ?
(A) Mesiofacial
(B) Distofacial
(C) Mesiolingual
(D) Distolingual
The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?
(A) Distrobuccal, distolingual and Mesiolingual
(B) Distolingual, Mesiobuccal, and Linguo buccal
(C) Mesiobuccal, Distobuccal and Mesiolingual
(D) Mesiolingual, Mesiobuccal and distolingual
The lingual cusp of lower first premolar is compared to the development of____________?
(A) Cusp of carabelli
(B) Distolingual cusp of molars
(C) Lingual cusp of second premolar
(D) Cingulam of canine
The geometric outline of the buccal surface of posterior teeth are_______________?
(A) Trapezoidal
(B) Rhomboidal
(C) Quadrilateral
(D) Square
Fourth canal is present in_____________?
(A) Mesiobuccal roots of maxillary first molar
(B) Distal root of mandibular first molar
(C) Both of the above
(D) None of the above
The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?
(A) Cusps
(B) Roots
(C) Lingual grooves
(D) Marginal ridges
If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?
(A) Maxillary central incisor
(B) Maxillary second premolar
(C) Mandibular lateral incisor
(D) Mandibular central incisor
The most constant and valuable trait to differentiate among maxillary first, second and third molars i____________?
(A) Number of roots
(B) Depth of central fossae
(C) Comparative size of the cusp of carabelli
(D) Relative position of the distolingual grooves
Which of the following has a nonfunctional cusp ?
(A) Mandibular canine
(B) Maxillary second premolar
(C) Mandibular first premolar
(D) None of the above