INBDE (Integrated National Board Dental Examination) Practice Exam

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Which teeth are most likely to be missing or malformed?

2nd molars > max canines > 2nd mandibular premolars
3rd molars > max laterals > 2nd mandibular premolars
1st molars > max incisors > 2nd mandibular premolars
3rd molars > max incisors > 1st mandibular premolars

The correct answer is: 3rd molars > max laterals > 2nd mandibular premolars

The correct answer is B: 3rd molars > max laterals > 2nd mandibular premolars. This combination represents teeth that are most commonly missing or malformed in individuals. The 3rd molars, also known as wisdom teeth, are frequently missing or impacted in the oral cavity. Maxillary lateral incisors are also prone to developmental abnormalities, such as peg-shaped or missing laterals. Secondly, second mandibular premolars are reported to have a lower prevalence in the general population compared to other teeth, making them more likely to be missing or malformed. Options A, C, and D do not align with the typical pattern of missing or malformed teeth as described in dental literature, making them less likely to be the correct choice.