Dental Histology Test

Terms of buds formation for temporary canines :

Epithelial thickness or epithelial plate is devided between

Hypocalcified “cracks” in enamel, usually entending from the DEJ to the surface, are called

_____________________.:

Superfical parotidectomy is contraindicated in patients with sialectasis because:

Scalloped-shaped ‘bumps’ on the incisal edge of incisors on newly erupted teeth are called ____________________.:

Incremental growth lines in cementum are called _________:

Excess fluoride incorporated into enamel during amelogenesis can cause mottling and pitting

and is called __________________.:

Perineural invasion is common in:

protects the mouth’s mucous membrane from infection and the teeth from decay:

Submandibular salivary gland is separated into superficial and deep portions by:

The most numerous cells of the pulp are :

Chemical stimulation maximises the secretion of:

Parotid gland swellings are very painful because:

There is a space between the enamel and the cement in :

Parotid gland is a :

What is the content of a dentinal tubules :

On the surface of the crown, these lines cause very slight depressions on newly erupted teeth

called _____________________.:

During sleep salivary secretion is maintained by:

From enamel organ is developed :

How many phases exist in the development of tooth tissues are :

Corresponding to the content of fibrillar structure , in the dentin is distinguished the

following zones :

From dental sac (follicle) of dental germs is developed :

In superficial parotidectomy:

three solutes in saliva:

fluid secreted by the salivary glands:

Dentin contains organic matter about of :

From mesenchimal papilla is developed :

Cellular cement is situated in :

Dental pulp is a lax conjunctive tissue formed from :

Fine intrinsic collagen fibers are formed by _______________________.:

Dark zones of Hunter – Schreger bands are called :

The ends of collagen fibers embedded in both cementum and bone are called:

If a cementoblast becomes surrounded by cementum matrix, it is then called a :

Changes in enamel rod orientation as seen by polarized light on tooth sections are called _:

Acellular afibrillar cementum is only found in :

Dentin is a mineralized connective tissue that is perforated by microscopic parallel channels

called __________:

Parotid calculi are diagnosed by:

The functions of periodontium are :

Basic elements of the enamel are :

In the enamel can be met :

The radicular 1/3 of the tooth has primarily which type of cementum?:

Submandibular salivary gland swelling is differentiated from submandibular lymphadenitis clinically by:

Buco – labial plate contributes to formation of :

Retzius strips ( striae ) appear in transverse section of tooth as a :

Oral epithelium forms in mesenchime a growth in shape of :

Odontoblast’s shape can be :

The first salivary gland to develop is:

Specify terms of eruption for first temporary molars :

Hunter – Schreger bands appear as a result of :

Normally the maxilla has a shape of :

Benign tumors of superfical lobe of parotid gland takes a very long time to project outwards because:

Dentin Incremental lines:

99.5% water, 0.5% solutes:

From where do all these structures originate? ______________________:

Principal mass of a tooth represents :

Enamel prism is composed from :

definitive line that indicates the birth of an infant in the enamel of a tooth is called the

________________________.:

Approximately what % of enamel is calcium hydroxyapatite ___:

Terms of root formation for temporary incisors are :

Dentin contains inorganic matter about of :