2. Bud & Cap Stage – Dr. Fathy Emad

Bud stage & Cap stage

1 / 10

The tooth germ is composed of:

Dental papilla, dental lamina, dental organ.

Dental follicle, dental lamina, vestibular lamina.

Dental organ, dental follicle, dental lamina.

Dental papilla, dental follicle, dental organ

2 / 10

The dental lamina initiating the permanent molars develops:

As successional lamina.

As a distal extension of the dental lamina.

As vestibular lamina.

As lateral dental lamina.

3 / 10

Which of the following is a component of tooth germ?

Dental sac.

Successional lamina.

Lateral dental lamina.

Vestibular lamina.

4 / 10

The origin of enamel is:

Ectomesenchyme.

Mesoderm.

Endoderm.

Ectoderm.

5 / 10

The dental lamina:

Develops from the oral epithelium.

Has no branching.

Has no remnants.

Breaks at the cap stage.

6 / 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

7 / 10

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

Dental follicle.

pulp.

Dental sac.

Dental papilla.

8 / 10

Before enamel formation begins:

Enamel knot remains and enamel cord disappear.

Enamel knot disappears and enamel cord remains.

Both knot and cord remain.

Both knot and cord disappear.

9 / 10

The dental sac is:

The condensation of the ectomesenchymal cells surrounding the dental papilla.

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

None of the above.

The condensation of the ectomesenchymal cells surrounding the dental organ.

10 / 10

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

Ectomesenchyme.

Basement membrane.

Nerve endings.

Oral epithelium.

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