INBDE practice

INBDE Dental Anatomy & Occlusion practice questions

13 board-style questions on dental anatomy & occlusion, written to the INBDE blueprint. Pick an answer to see whether you got it and why. The first 10 are open to everyone.

Tooth morphology: cusps, ridges, grooves, fossae by tooth typeUniversal, FDI, and Palmer notation systemsPrimary vs permanent dentition and eruption sequenceRoot and pulp canal morphologyOcclusal schemes: centric relation, centric occlusion, Angle classificationCusp-fossa and cusp-marginal-ridge relationshipsCurve of Spee and curve of Wilson
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10 free questions, 3 with a free account
Question 1

During a routine clinical examination, a dentist observes that the mesiobuccal cusp of the patient's maxillary first molar occludes distal to the buccal groove of the mandibular first molar. Which Angle classification of malocclusion does this describe?

Question 2

A mother is concerned that her 8-month-old infant does not yet have any teeth. Which teeth are most likely to erupt first in the primary dentition?

Question 3

When evaluating a patient's occlusion, the dentist notes a contact between the lingual cusp of the maxillary right first molar and the buccal cusp of the mandibular right first molar during a left lateral excursive movement. This contact is classified as a:

Question 4

A clinician is identifying teeth using the FDI notation system. A cavity is found on tooth 24. Which tooth is this in the Universal numbering system?

Question 5

Which of the following permanent teeth typically exhibits a mesial crown concavity that complicates root planing and increases the risk of periodontal pocketing?

Question 6

The 'Y' cusp pattern of the mandibular second premolar is a result of having which of the following cusp configurations?

Question 7

In an ideal Class I occlusion, the distobuccal cusp of the permanent mandibular first molar occludes with which of the following areas?

Question 8

A 9-year-old child presents for an exam. The dentist notes that the permanent mandibular lateral incisors and first molars are erupted, but the mandibular canines are not. Which tooth is most likely to erupt next in the mandibular arch?

Question 9

Which morphological feature is unique to the permanent maxillary first molar and is located on the mesiolingual cusp?

Question 10

The Curve of Spee is a clinical term describing which of the following?

The first 10 are free. 3 more below.

A free account unlocks the remaining 3 questions and their explanations, and lets you add the full INBDE path with spaced review that brings back the ones you miss.

Question 11 Locked

Which tooth typically possesses the longest root in the entire human dentition?

Question 12 Locked

A 10-year-old child presents with a primary mandibular second molar that has not yet exfoliated. Which permanent tooth will eventually replace this specific tooth?

Question 13 Locked

When viewed from the occlusal aspect, which tooth has a crown shape that is described as 'rhomboidal'?

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