Tooth Morphology
- Which tooth exhibits the greatest degree of morphological variability?
A) Maxillary central incisor
B) Maxillary lateral incisor
C) Mandibular canine
D) Mandibular first molar - The cusp of Carabelli is most commonly found on which tooth?
A) Maxillary first molar
B) Mandibular second molar
C) Maxillary second premolar
D) Mandibular first molar - In which tooth is the distolingual developmental groove most prominent?
A) Mandibular first molar
B) Maxillary first molar
C) Mandibular first premolar
D) Maxillary lateral incisor - Which permanent tooth typically exhibits three roots and a trapezoidal crown shape?
A) Maxillary first molar
B) Maxillary second molar
C) Mandibular first molar
D) Mandibular second molar - Which mandibular tooth is most likely to have two canals in the mesial root?
A) First molar
B) Second premolar
C) First premolar
D) Lateral incisor - Which tooth has a pronounced mesial concavity on its crown that extends onto the root?
A) Maxillary first premolar
B) Mandibular second molar
C) Mandibular first premolar
D) Maxillary canine - The transverse ridge is a key feature of which tooth?
A) Mandibular first premolar
B) Maxillary second molar
C) Mandibular central incisor
D) Maxillary canine - Which tooth has a longer mesial cusp slope than the distal cusp slope in its permanent form?
A) Maxillary first premolar
B) Mandibular canine
C) Mandibular first molar
D) Maxillary lateral incisor - Which maxillary tooth has a single conical cusp and a well-defined occlusal table?
A) Maxillary canine
B) Maxillary first premolar
C) Maxillary second premolar
D) Maxillary third molar - Which mandibular molar typically has five cusps?
A) First molar
B) Second molar
C) Third molar
D) None of the above - What is the usual shape of the pulp chamber in a mandibular incisor?
A) Oval
B) Circular
C) Triangular
D) Irregular - Which tooth is most likely to have an accessory cusp on the lingual surface?
A) Maxillary lateral incisor
B) Mandibular canine
C) Maxillary central incisor
D) Mandibular premolar - The mandibular first molar has how many developmental lobes?
A) Three
B) Four
C) Five
D) Six - The oblique ridge is a distinct anatomical feature of which tooth?
A) Maxillary first molar
B) Mandibular first molar
C) Maxillary second premolar
D) Mandibular second molar - In which molar is the cusp of Carabelli least commonly present?
A) Maxillary first molar
B) Maxillary second molar
C) Mandibular first molar
D) Mandibular second molar - Which tooth typically exhibits the largest pulp chamber?
A) Maxillary central incisor
B) Mandibular first molar
C) Maxillary first molar
D) Mandibular second molar - The mandibular canine differs from the maxillary canine in which way?
A) Less prominent cingulum
B) Longer root
C) Wider crown
D) Presence of accessory cusp - The maxillary first premolar typically has how many roots?
A) One
B) Two
C) Three
D) Four - Which molar is most likely to be congenitally missing?
A) Maxillary first molar
B) Maxillary second molar
C) Mandibular third molar
D) Maxillary third molar - The cervical cross-section of the maxillary central incisor is typically:
A) Circular
B) Triangular
C) Oval
D) Square