Oral Histology Quizzes

Central cells degenerate to form clef in which structure:

lingual extension of dental lamina is the origin of:

The primary epithelial band divides into how many laminae?

the primitive oral cavity (stomodeum) is lined by:

dental lamina located:

deciduous teeth buds develope from:

Vestibular lamina Located:

successional dental lamina is:

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

posterior extension of the dental lamina is:

The tooth germ is composed of:

Which of the following is a component of tooth germ?

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

The dental lamina:

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

Before enamel formation begins:

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

The dental lamina initiating the permanent molars develops:

The dental sac is:

The origin of enamel is:

the origin of odontoblasts in early bell stage:

Stratum intermedium are :

I.E.E. in dental organ of the early bell stage:

I.E.E. arranged on the basement membrane as the pattern of:

process of differentiation of the UMCs to odontoblasts in early bell stage is called :

epithelial connection between proper dental lamina and the bell shape in  early bell stage described as :

Early bell stage characterized by:

cell free zone of enamel organ in the early bell stage:

the I.E.E. covers the O.E.E. in the rim of the enamel organ for a short distance which is called

Outer enamel epithelium in dental organ of the early bell stage:

which cell layer that Acts as a cushion against any physical forces:

which cell layer that determine the morphology of the amelo-dentinal junction:

Process by which I.E.E is converted to ameloblast under the influence of the first layer of dentine:

life span of the dental lamina is about:

functional unite for enamel formation is composed of :

which cells that Provide space for the developing enamel?

Before dentin formation the avascular enamel organ takes its nutrition from two sources which are:

in late bell stage the lateral dental lamina will be degenerated by the invasion of
mesoderm and its remnants is called

according to sources of nutrition to enamel organ by formation of the dentin the source of dental papilla is:

Late bell stage starts by deposition of :

The apposition stage of tooth development begins:

The epithelial root sheath of Hertwig disintegrates:

The number of roots that are formed is determined by the:

Enamel pearls occur in:

The epithelial rests in the periodontal ligament are derived from:

Which of the following is not derived from the dental organ:

If Hertwig’s epithelial root sheath does not disintegrate:

What statement about epithelial diaphragm is not true?

Epithelial rests of Malassez are:

Concrescence is:

E is :

D is :

A is :

E is :

A is :

The green arrow refers to :

F is :

C is :

B is :

F is :

J is :

C is :

E is :

F is :

A is :

A is :

G is :

A is :

I is :

C is :

C is :

F is :

E is :

A is :

B is :

B is :

G is :

C is :

A is :

What is this clinical consideration:

E is :

A is :

The arrows refer to :

G is :

Which Stage is this :

B is :

B is :

The green arrow refers to :

D is :

D is :

The green arrow refers to :

The arrows refer to :

B is :

H is :

D is :

B is :

D is :

F is :

E is :

C is :

D is :

B is :

C is :

Which Stage is this :

C is :

A is :

A is :

E is :

This Stage is :

B is :

D is :

B is :

E is :

What do you see in this section ?

E is :

C is :

E is :

A is :

A is :

B is :

Green arrow refers to :

C is :

Which stage is this?

C is :

Blue arrow refers to :

B is :

A is :

C is :

Mention The Stage in This Section :

B is :

A is :

A + B + C =

A is :

D is :

A is :

A is :

B is :

A is:

B is :

B is :

B is :

D is :

A is :

D is :

C is :

C is :

Yellow arrow refers to :

B is:

A is :

Which stage is this?

Yellow arrow refers to :