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.

131. 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

132. 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

133. Which line angle area is most acute when a permanent maxillary second molar is viewed occlusally ?
A. Mesiofacial
B. Distofacial
C. Mesiolingual
D. Distolingual

134. What is the functional form of anterior teeth from the mesial or the distal aspect ?
A. Rhomboidal
B. Trapezoidal
C. Elliptical
D. Wedge- shaped

135. The shape of the occlusal surface of the permanent maxillary first molar is___________?
A. Oval
B. Trapezoidal
C. Triangular
D. Rhomboidal

136. The number of line angles a permanent maxillary central incisor is_____________?
A. Two
B. Four
C. Six
D. Eight

137. Dentin islands are frequently found in the root canals of which of the following permanent teeth ?
A. Maxillary lateral incisor & mandibular canine
B. Maxillary 2nd premolar & maxillary 1st molar
C. Maxillary 2nd premolar & mandibular canine
D. Maxillary 1st molar & mandibular 2nd premolar

138. Ratio of mesiodistal width to height of crown of maxillary canine is______________?
A. 6:10
B. 8:10
C. 6:8
D. 7:10

139. An 8 – yr old child comes to your clinic with large front teeth having jagged margins, what is the treatment plan for this patient ?
A. Smoothen the jagged margins and apply fluoride varnish
B. Build up other teeth to large size
C. Extraction of big teeth
D. Assure him and send him back

140. Crown formation of all permanent teeth except third molars is completed between_____________?
A. Birth to 8 years
B. Birth to 12 years
C. Birth to 6 years
D. 6 years to 12 years