1
AAPD QE BOARD EXAM QUESTIONS
WITH SOLUTIONS 2026
What layer do neural crest cells develop from? - correct-answer - Ectoderm
At what embryonic age does the dental lamina begin to develop? - correct-answer
- 6 weeks
What are the three components of the tooth bud? - correct-answer - Enamel
Organ
Dental papilla
Dental sac
, 2
What are the three morphologic stages of a developing tooth bud? - correct-
answer - Bud stage
Cap stage
Bell stage
During the bell stage invagination of the epithelium occurs, which layer is
essential for enamel production? - correct-answer - Stratum intermedium
Which cells does the stellate reticulum support and protect? - correct-answer -
Ameloblasts
What do remnants of Hertwig's epithelial root sheath persist as? - correct-answer
- Rests of Malassez
What is the origin of the dental papilla? - correct-answer - Neural crest cells
, 3
What does the dental papilla differentiate in to? - correct-answer - Dentin and
primordium of pulp
What are enamel pearls? - correct-answer - Cells of epithelial root sheath that
remain attached to dentin. Differentiate into ameloblasts and produce enamel
What are the 7 steps (in order) of histophyisological differentiation of a tooth
bud? - correct-answer - Initiation
Proliferation
Histodifferentiation
Morphodifferentiation
Apposition
Mineralization
Maturation
, 4
During which stage of tooth development may problems that lead to anomalies of
tooth number occur? - correct-answer - Initiation
Which three stages of tooth development encompasses the bud, cap, early bell
and late bell? - correct-answer - Proliferation
Histodifferentiation
Morphodifferentiation
Disruptions of proliferation may result in what type of tooth anomalies? (4) -
correct-answer - Size
Proportion
Numbers
Twinning
AAPD QE BOARD EXAM QUESTIONS
WITH SOLUTIONS 2026
What layer do neural crest cells develop from? - correct-answer - Ectoderm
At what embryonic age does the dental lamina begin to develop? - correct-answer
- 6 weeks
What are the three components of the tooth bud? - correct-answer - Enamel
Organ
Dental papilla
Dental sac
, 2
What are the three morphologic stages of a developing tooth bud? - correct-
answer - Bud stage
Cap stage
Bell stage
During the bell stage invagination of the epithelium occurs, which layer is
essential for enamel production? - correct-answer - Stratum intermedium
Which cells does the stellate reticulum support and protect? - correct-answer -
Ameloblasts
What do remnants of Hertwig's epithelial root sheath persist as? - correct-answer
- Rests of Malassez
What is the origin of the dental papilla? - correct-answer - Neural crest cells
, 3
What does the dental papilla differentiate in to? - correct-answer - Dentin and
primordium of pulp
What are enamel pearls? - correct-answer - Cells of epithelial root sheath that
remain attached to dentin. Differentiate into ameloblasts and produce enamel
What are the 7 steps (in order) of histophyisological differentiation of a tooth
bud? - correct-answer - Initiation
Proliferation
Histodifferentiation
Morphodifferentiation
Apposition
Mineralization
Maturation
, 4
During which stage of tooth development may problems that lead to anomalies of
tooth number occur? - correct-answer - Initiation
Which three stages of tooth development encompasses the bud, cap, early bell
and late bell? - correct-answer - Proliferation
Histodifferentiation
Morphodifferentiation
Disruptions of proliferation may result in what type of tooth anomalies? (4) -
correct-answer - Size
Proportion
Numbers
Twinning
