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Morphological Stages and Histophysiological Changes in Tooth Germ Development

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Morphological Stages and Histophysiological Changes in Tooth Germ Development

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Questions and Answers

Which layer of cells underlines the ectoderm in the primitive oral cavity?

Mesoderm

Ectomesenchyme (correct)

Endoderm

Neural crest cells

What type of cells make up the ectoderm in the primitive oral cavity?

Columnar cells

Squamous cells

Flat cells

Basal cuboidal cells (correct)

What do the morphological stages of tooth development refer to?

Changes in the morphology of the developing tooth germ (correct)

Changes in the size of the developing tooth germ

Changes in the shape of the developing tooth germ

Changes in the function of the developing tooth germ

What do the histophysiological stages of tooth development refer to?

Changes in the function of the developing tooth germ Signup and view all the answers

During tooth development, at what stage does the condensation of ectomesenchyme occur?

At about 35 days of development Signup and view all the answers

What is the primary epithelial band?

A continuous band of thickened epithelium around the mouth Signup and view all the answers

How many maxillary odontogenic epithelial islands form during tooth development?

Four Signup and view all the answers

What leads to the formation of the primary epithelial band?

Lateral proliferation of the cells of the islands Signup and view all the answers

What do the primary epithelial bands correspond to in the future dental arches?

Upper and lower jaws Signup and view all the answers