Next to third molars, the most frequently impacted teeth are the:

 # Next to third molars, the most frequently impacted teeth are the: 

a) second molars 

b) upper canines 

c) lower canines 

d) upper incisors

The correct answer is B. Upper canines. 

The most commonly impacted teeth are third molars, followed by the maxillary canines and mandibular second molars. 

Reference: Graber 7th Edition