Gurumcqs.com offers a comprehensive collection of 2000+ basic and advanced oral anatomy MCQs, complete with answers and detailed explanations. This section is dedicated to covering all essential aspects of the oral anatomy subject, focusing on key topics related to the anatomy of the mouth and teeth. These include Basic Oral Anatomy, Calcification and Eruption of Teeth, Deciduous Dentition, Occlusion, Permanent Dentition, Physiologic Form of Tooth and Periodontium, Osseous Structures, TMJ, and more. The questions are carefully selected from reputable reference books on oral anatomy. These dental anatomy MCQs are valuable for interview preparation, entrance examinations, competitive exams, and certifications, catering to individuals with varying levels of experience, whether they are seasoned professionals, freshers, or students. Additionally, you can explore MCQs on medical topics on the platform.

171. In which of the following a nonfunctional cusp is present________________?
A. Maxillary 1st molar
B. Maxillary 2ndmolar
C. Mandibular 1st molar
D. Mandibular 2nd molar

172. The premolar with the occlusal groove pattern that may simulate the letter “Y” is________________?
A. Maxillary first
B. Maxillary second
C. Mandibular second
D. Mandibular first

173. In the triangle formed by the projection of the orifices of the canals of a maxillary molar, the_________________?
A. Line connecting mesial with distal is longest
B. Line connecting mesial with lingual is longest
C. Line connecting distal with lingual is longest
D. Angle at the mesio facial canal is obtuse

174. Which bifurcation is closet to the cervical line (or) which surface has short root trunk length in a maxillary permanent first molar ?
A. Buccal
B. Mesial
C. Distal
D. None of the above

175. Which cusp is poorly developed in a permanent maxillary second molar_____________?
A. DB
B. DL
C. MB
D. ML

176. Tritubercular cusps are_______________?
A. ML
B. MB
C. DB
D. All of the above

177. The occlusal surface shape of a 3 cusped mandibular second premolar_________________?
A. Oval
B. Elliptical
C. Square
D. Tetrahedral

178. Mesial slope of buccal cusp is longer than distal slope in_________________?
A. Maxillary 2nd premolar
B. Maxillary 1st premolar
C. Mandibular canine
D. Maxillary canine

179. Mandibular second premolar 3- cusp type id developed from_______________?
A. 3
B. 4
C. 5
D. 6

180. Rounded protuberances on the incisal edges of newly erupted permanent incisors are____________?
A. Mamelons
B. Tubercles
C. Enamel pits
D. Cingulum