AAPD QE Board Exam | 240 Questions and Correct Solutions Latest Update

AAPD QE Board Exam | 240 Questions and Correct Solutions Latest Update 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 production? - Answer -Stratum intermedium Which cells does the stellate 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 MaturationDuring 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