Introduction & Dental lamina | Dr. Fathy Emad

Intro Oral Histology

1 / 10

deciduous teeth buds develope from:

lingual extension of dental lamina

posterior extension of dental lamina

Lateral dental Lamina

all the above

2 / 10

Vestibular lamina Located:

lingually

facially

3 / 10

dental lamina located:

lingually

facially

4 / 10

ectodermal proliferation in 6th W.I.U done by the influence of:

Neural crest cells in the ectoderm.

Ectomesenchymal cells.

Ectodermal cells.

Odontogenic epithelial islands.

5 / 10

Central cells degenerate to form clef in which structure:

vestibular lamina

odontogenic epithelial islands

primary epithelial band

dental lamina

6 / 10

successional dental lamina is:

lingual extension of main Dental Lamina

Lateral Dental Lamina

Labial Dental lamina

posterior extension of main Dental Lamina

7 / 10

the primitive oral cavity (stomodeum) is lined by:

Mesoderm

Ectomesenchyme

Neural Crest Cells

Ectoderm

8 / 10

The primary epithelial band divides into how many laminae?

2

4

1

3

9 / 10

lingual extension of dental lamina is the origin of:

10 buds of Permanent successors.

6 buds of Permanent molars.

6 buds of Permanent successors.

10 buds of deciduous teeth.

10 / 10

posterior extension of the dental lamina is:

the origin of Permanent molars.

the origin of deciduous teeth.

the origin of Permanent successors.

mesial to the deciduous second molar (E).

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