MCQs of Oral Histology – Dentin

Dentinal tubules are:

The cells that form secondary dentin are:

Dead tracts in ground section appears as:

The organic lining of the calcified dentinal tubules is known as:

Which of the following dentinal layers is more mineralized

The type of tertiary dentin which contains cellular inclusions is found in:

The dentin adjacent to the dentinoenamel junction is called the:

Korffs fibres are seen in:

Mirgration of odontoblasts into dentinal tubules occurs during _____:

Tome’s firbres are:

The dentin receptors are unique because

The main bulk of dentin is formed by:

The zone of dentin most recently formed and uncalcified is known as:

Inter globular dentin results due to:

Dentinogenesis by odontoblasts first begins at:

Sclerotic dentin has following features:

The microhardness of dentin is about:

Shape of crown and the size of the roots is determined by:

Physically and chemically, the dentin is closely related to:

Organic portion can be separated from the mineral by:

Formula of hydroxyapatite crystal is:

The type of dentin that is formed prior to root completion

Accentuated incremental lines in dentin due to disturbances in matrix and mineralization process is:

The pain transmission through dentin is:

Which of the following is correct

1st formed dental tissue

Dentinal tubules are calcified in:

Excess deposition of calcium in the dentinal tubules is referred to as:

Dentin formed through out the life is:

Regarding teeth which statement is wrong?

S shape of dentinal tubules is due to:

The formation of which of the following does not represent normal physiologiacl process of dentin formation:

All of the following is true about dentinal tubules except:

Fluid flow, in or out of the dentinal tubules is proportional to the tuble diameter by:

The average diameter of coronal dentinal tubules near the pulp is:

In adult teeth, the type of dentin present underlying dentin-enamel junction is:

All factors govering dentine permeability EXCEPT:

The most accepted theory for dentin sensitivity is:
or
Which of the following is the most accepted theory of transmission of dental sensation

Compared to the inter tubular dentin, peritubular dentin is characterized by which of the following?

One of the following statement is unique about circumpulpal dentine

During the formation of primary teeth

Matrix vesicles

Transmission of stimulus across dentin is:

During hydrodynamic theory movement of fluids in dentinal tubules cause:

Which of the areas of the tooth is most sensitive during cavity preparation?