2. Bud & Cap Stage – Dr. Fathy Emad

Bud stage & Cap stage

1 / 10

Which of the following is a component of tooth germ?

Successional lamina.

Lateral dental lamina.

Vestibular lamina.

Dental sac.

2 / 10

The ectomesenchymal cell condensation just beneath the enamel organ is called:

Dental sac.

Dental follicle.

pulp.

Dental papilla.

3 / 10

The origin of enamel is:

Mesoderm.

Endoderm.

Ectomesenchyme.

Ectoderm.

4 / 10

The tooth germ is composed of:

Dental follicle, dental lamina, vestibular lamina.

Dental organ, dental follicle, dental lamina.

Dental papilla, dental lamina, dental organ.

Dental papilla, dental follicle, dental organ

5 / 10

The dental lamina initiating the permanent molars develops:

As a distal extension of the dental lamina.

As successional lamina.

As vestibular lamina.

As lateral dental lamina.

6 / 10

The dental lamina is induced to proliferate into a tooth bud by the:

Basement membrane.

Ectomesenchyme.

Oral epithelium.

Nerve endings.

7 / 10

The dental sac is:

The condensation of the ectomesenchymal cells surrounding the dental organ and dental papilla.

The condensation of the ectomesenchymal cells surrounding the dental papilla.

The condensation of the ectomesenchymal cells surrounding the dental organ.

None of the above.

8 / 10

During the early stages of tooth development three transitory structures may be seen, these structures are:
a)
b)

Enamel knot, enamel cord

enamel organ & enamel epithelium

enamel organ & enamel knot

Enamel knot, enamel epithelium

9 / 10

Before enamel formation begins:

Both knot and cord disappear.

Both knot and cord remain.

Enamel knot remains and enamel cord disappear.

Enamel knot disappears and enamel cord remains.

10 / 10

The dental lamina:

Has no remnants.

Breaks at the cap stage.

Develops from the oral epithelium.

Has no branching.

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