1) Which of the following is the procedure of choice when a broken instruments protrude past the apex of the tooth :
a) extract the tooth .
b) The broken instrument is surgically removed, and the entire canal filled with gutta percha.
c) decreasing the vertical diamention of occlusion.
d) Fill the canal with gutta percha and then observe
2) Which tooth below will almost always have two canals
a) maxillary 1st premolar
b)maxillary 2nd premolar
c) mandibular 1st premolar
d) mandibular 2nd premolar
3) which tooth listed below have a pulp chamber triangular as opposed to oval :
a) maxillary central incisor
b) mandibular incisor
c) maxillary lateral incisor.
d) mandibular lateral incisor
4) which tooth listed below have a pulp chamber that will be triangular
a) mandibular second premolar
b) mandibular molars
c) maxillary lateral incisor
d) maxillary molars
5) which of the following canals in the maxillary 1st molar is most difficult to locate
a) palatal
b) mesiobuccal
c) distobuccal
d) all of the canals is easy to find
6) the root canal for a mandibular canine is :
a) wide mesiodistally and thin labiolingually
b) thin mesiodistally and wide labiolingually
c) the same width mesiodistally and labiolingually
7) which of the mandibular premolar have more variations in the canal anatomy
a) 1st premolar
b) 2nd premolar
8)which of the following most used bleaching agent for endodontically treated teeth
a) ether
b) superoxol
c) chloroform
d) sodium hypochloride
9)which of the following tooth have curved canal
a) maxillary central incisor
b) maxillary lateral incisor
c) maxillary canine
d) mandibular central incisor
10) Which of the following teeth most often refer pain to the temporal region
a) mandibular molars
b) maxillary incisor
c) maxillary 2nd premolar
d) maxillary molars