AAPD QE Pediatric Dentistry Exam Practice
Questions and Correct Answers – Development,
Sedation, Trauma, Growth
Description:
This document contains practice questions and verified answers for the AAPD
Qualifying Exam in Pediatric Dentistry. Covered topics include dental trauma
management, growth and development, sedation techniques, and oral
pathology. A comprehensive review resource for preparing for pediatric
dentistry board exams.
What layer do neural crest cells develop from? - answer✔✔Ectoderm At what
embryonic age does the dental lamina begin to develop? - answer✔✔6 weeks
What are the three components of the tooth bud? - answer✔✔Enamel Organ
Dental papilla Dental sac What are the three morphologic stages of a developing
tooth bud? - answer✔✔Bud stage Cap stage Bell stage During the bell stage
invagination of the epithelium occurs, which layer is essential for enamel
1
production? - answer✔✔Stratum intermedium Which cells does the stellate
Page
, reticulum support and protect? - answer✔✔Ameloblasts What do remnants of
Hertwig's epithelial root sheath persist as? - answer✔✔Rests of Malassez What is
the origin of the dental papilla? - answer✔✔Neural crest cells What does the
dental papilla differentiate in to? - answer✔✔Dentin and primordium of pulp
What are enamel pearls? - 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? -
answer✔✔Initiation Proliferation Histodifferentiation Morphodifferentiation
Apposition Mineralization Maturation During which stage of tooth development may
problems that lead to anomalies of tooth number occur? - answer✔✔Initiation
Which three stages of tooth development encompasses the bud, cap, early bell and
late bell? - answer✔✔Proliferation Histodifferentiation Morphodifferentiation
Disruptions of proliferation may result in what type of tooth anomalies? (4) -
answer✔✔Size Proportion Numbers Twinning Which stage of tooth development
may lead to anomalies of the enamel, dentin, and cementum? -
answer✔✔Morphodifferentiation What is the incidence of hyperdontia? Males vs
females? - answer✔✔0.3 - 3% Males 2:1 females Is hyperdontia more common in
maxilla or mandible? More common in primary teeth or permanent teeth? -
answer✔✔Maxilla 90% Permanent dentition 5x more common that primary
Which permanent teeth are most frequently missing? List in order from most to least
2
Page
common - answer✔✔Third molars Mandibular second pre molars Maxillary lateral
Questions and Correct Answers – Development,
Sedation, Trauma, Growth
Description:
This document contains practice questions and verified answers for the AAPD
Qualifying Exam in Pediatric Dentistry. Covered topics include dental trauma
management, growth and development, sedation techniques, and oral
pathology. A comprehensive review resource for preparing for pediatric
dentistry board exams.
What layer do neural crest cells develop from? - answer✔✔Ectoderm At what
embryonic age does the dental lamina begin to develop? - answer✔✔6 weeks
What are the three components of the tooth bud? - answer✔✔Enamel Organ
Dental papilla Dental sac What are the three morphologic stages of a developing
tooth bud? - answer✔✔Bud stage Cap stage Bell stage During the bell stage
invagination of the epithelium occurs, which layer is essential for enamel
1
production? - answer✔✔Stratum intermedium Which cells does the stellate
Page
, reticulum support and protect? - answer✔✔Ameloblasts What do remnants of
Hertwig's epithelial root sheath persist as? - answer✔✔Rests of Malassez What is
the origin of the dental papilla? - answer✔✔Neural crest cells What does the
dental papilla differentiate in to? - answer✔✔Dentin and primordium of pulp
What are enamel pearls? - 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? -
answer✔✔Initiation Proliferation Histodifferentiation Morphodifferentiation
Apposition Mineralization Maturation During which stage of tooth development may
problems that lead to anomalies of tooth number occur? - answer✔✔Initiation
Which three stages of tooth development encompasses the bud, cap, early bell and
late bell? - answer✔✔Proliferation Histodifferentiation Morphodifferentiation
Disruptions of proliferation may result in what type of tooth anomalies? (4) -
answer✔✔Size Proportion Numbers Twinning Which stage of tooth development
may lead to anomalies of the enamel, dentin, and cementum? -
answer✔✔Morphodifferentiation What is the incidence of hyperdontia? Males vs
females? - answer✔✔0.3 - 3% Males 2:1 females Is hyperdontia more common in
maxilla or mandible? More common in primary teeth or permanent teeth? -
answer✔✔Maxilla 90% Permanent dentition 5x more common that primary
Which permanent teeth are most frequently missing? List in order from most to least
2
Page
common - answer✔✔Third molars Mandibular second pre molars Maxillary lateral
