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5 Written questions

5 Matching questions

  1. Succedaneous tooth
  2. Cellular differentiation
  3. Thyroglossal duct
  4. Oral epithelium
  5. Palatal fusion
  1. a Compared to active eruption of a permanent ______ ______, the shedding of the associated primary tooth is intermittent.
  2. b _____ _______allows the fusion of swellings or tissue from different surfaces of the embryo.
  3. c _________ _____is derived from ectoderm as a result of embryonic folding.
  4. d Foramen secum is the beginning of the _______ _______.
  5. e The embryonic period is characterized by increased ____ ____.

5 Multiple choice questions

  1. In order to differentiate into ____________, cells from the enamel organ repolarize their nuclei.
  2. The_____ ______ is posterior to the zygomatic arch.
  3. Intermaxillary segment is initially formed during the _____ _____ by internally fusion of the paired medial nasal processes, which will grow inferiorly on the inside of the stomodeum. Intermaxillary segment gives rise to the primary palate.
  4. ________is composed entirely of inner and outer enamel epithelium
  5. ______________ permanent teeth develop from buds that grow off an extension of the primary second molar's dental lamina.

5 True/False questions

  1. enamel organ, dental papilla, dental sacThe tooth germ is comprised of 3 embryological structures: the _______ _______, ______ _______ and _______ _____.


  2. DifferentiateA _______________results in the deepest part of each tooth bud of dental lamina and forms a cap, or enamel organ.


  3. EctomesenchymeThe oral epithelium grows deeper into the _______________ and is induced to produce a layer called the dental lamina.


  4. Mandibular ArchThe lower face will develop from the ______ ______.


  5. 2nd weekNeural crest cells develop form the ectoderm.


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