Which teeth have the longest roots? ()
A. The maxillary canine
B. The mandibular canine
C. The maxillary central incisor
D. The maxillary first molar
E. The maxillary first premolar
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What is the landmark of finding the greater palatine foramen? ()
A. The maxillary first molar
B. The maxillary second molar
C. The maxillary third molar
D. The mandibular first molar
E. The mandibular second molar
In universal tooth numbering system, #16 refers to ()
A. The maxillary right third molar
B. The maxillary left third molar
C. The mandibular left third molar
D. The mandibular right first molar
E. The maxillary left first molar
Which of the following is not connected to the periodontium via the lateral accessory foramina? ()
A. The root canal
B. The intercanal anastomoses
C. The lateral canal
D. The apical ramification
E. None of the above
Which of the following descriptions of the pulp cavity of the maxillary first molar is incorrect?()
A. The buccolingual diameter of the pulp chamber is larger than the height of the pulp chamber.
B. The roof of the pulp chamber is concave and the lowest point is near the middle third of the crown.
C. The mesiobuccal and the mesiolingual pulp horns are near the middle third of the crown.
D. The distobuccal and the distolingual pulp horns are near the cervical third of the crown.
E. About 63% of the mesiobuccal root canals are bicanal or single-bicanal type.
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