INBDE (Integrated National Board Dental Examination) Practice Exam

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Dentigerous cysts are most common with what teeth?

  1. Incisors

  2. Premolars

  3. Third molars and canines

  4. Molars

The correct answer is: Third molars and canines

Dentigerous cysts are most commonly associated with impacted teeth, particularly the third molars (wisdom teeth) and canines. A dentigerous cyst develops around the crown of an unerupted or partially erupted tooth when the accumulation of fluid between the reduced enamel epithelium and the enamel cap forms a cystic sac. This creates a cavity that encloses the crown of the unerupted tooth, most frequently affecting the third molars and canines. The other teeth mentioned in the options - incisors, premolars, and molars - are less frequently associated with dentigerous cysts compared to the third molars and canines.