Oral Histology Quizzes

deciduous teeth buds develope from:

the primitive oral cavity (stomodeum) is lined by:

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

successional dental lamina is:

posterior extension of the dental lamina is:

The primary epithelial band divides into how many laminae?

Vestibular lamina Located:

Central cells degenerate to form clef in which structure:

lingual extension of dental lamina is the origin of:

dental lamina located:

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

The tooth germ is composed of:

Before enamel formation begins:

The dental lamina initiating the permanent molars develops:

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

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

The dental sac is:

The dental lamina:

Which of the following is a component of tooth germ?

The origin of enamel is:

Early bell stage characterized by:

Stratum intermedium are :

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

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

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

the origin of odontoblasts in early bell stage:

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

Outer enamel epithelium in dental organ of 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

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

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

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

Late bell stage starts by deposition of :

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

life span of the dental lamina is about:

functional unite for enamel formation is composed of :

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

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

which cells that Provide space for the developing enamel?

Enamel pearls occur in:

Concrescence is:

If Hertwig’s epithelial root sheath does not disintegrate:

The epithelial root sheath of Hertwig disintegrates:

The apposition stage of tooth development begins:

What statement about epithelial diaphragm is not true?

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

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

The epithelial rests in the periodontal ligament are derived from:

Epithelial rests of Malassez are: