Dental Pulp

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What is the main function of fibroblasts in the pulp?

Formation of dentin

Defense against pathogens

Production of plasma cells

Synthesis and degradation of fibers and ground substances (correct)

What is the shape of fibroblasts in the cell-rich zone?

Cuboidal

Spindle (correct)

Round

Columnar

What is the characteristic of the nucleus of fibroblasts?

It stains deep with basic dye (correct)

It is irregular in shape

It is centrally located

It stains lightly with basic dye

What is the function of odontoblasts in the pulp?

Formation of dentin Signup and view all the answers

What is the shape of odontoblasts in the early stage of development?

Columnar Signup and view all the answers

What is the characteristic of odontoblasts in the later stages of development?

They appear pyriform in shape Signup and view all the answers

What is the length of odontoblasts?

5-7u in diameter and 35u in length Signup and view all the answers

What is the function of odontoblasts in the development of dentin?

To develop the organic matrix and assist in its calcification Signup and view all the answers

What is the term for mature fibroblasts with few cell organelles?

Fibrocyte Signup and view all the answers

What is the primary function of the sensory nerves in the pulp?

To respond to pain stimuli Signup and view all the answers

What is the function of the pulp in terms of nutrition?

To mediate the nutrition of dentin through odontoblasts Signup and view all the answers

What is the term for the zone that includes the odontoblastic zone, cell-free zone, and cell-rich zone?

Odontogenic zone Signup and view all the answers

What types of cells are present in the cell-rich zone?

Fibroblasts and undifferentiated mesenchymal cells Signup and view all the answers

What is the location of the cell-rich zone?

Under the cell-free zone Signup and view all the answers

What is the characteristic of the pulp core?

Presence of major vessels and nerves of the pulp Signup and view all the answers

What is the response of the pulp to irritation?

To produce reparative dentin and mineralize affected dentinal tubules Signup and view all the answers

What is the characteristic of odontoblasts?

They are responsible for synthesizing and secreting proteins. Signup and view all the answers

What is the function of neutrophils in the pulp?

To eliminate dead cells and remove bacteria. Signup and view all the answers

What is unique about the nucleus of plasma cells?

It is small and appears eccentric in the cytoplasm. Signup and view all the answers

What is the function of lymphocytes?

To provide immune defense. Signup and view all the answers

What is the characteristic of the terminal part of odontoblasts?

It is clear and has intercellular junctions. Signup and view all the answers

What is the characteristic of the cell membranes of adjacent odontoblasts?

They exhibit junctional complexes. Signup and view all the answers

What happens to neutrophils in case of inflammation?

Their nucleus increases in size and exhibits a prominent nucleolus. Signup and view all the answers

How many forms do lymphocytes have?

Two. Signup and view all the answers

What is the shape of the nucleus in mast cells?

Round Signup and view all the answers

What is the function of dendritic cells?

To stimulate the division and activity of T –lymphocytes Signup and view all the answers

What is the location of dendritic cells?

Around the odontoblasts and central blood vessels Signup and view all the answers

What is the role of progenitor cells?

To differentiate into other cell types Signup and view all the answers

What type of collagen fibers are present in the pulp?

Both type I and II Signup and view all the answers

What is characteristic of collagen fibers in young pulp?

They are relatively few and delicate Signup and view all the answers

What is absent in the pulp?

Elastic fibers Signup and view all the answers

What is characteristic of the pulp in terms of blood supply?

It is highly vascularized Signup and view all the answers

Where are true denticles typically found?

Near the apical foramen Signup and view all the answers

What is the characteristic of false denticles?

They are formed of concentric layers of mineralization Signup and view all the answers

What is the typical location of diffuse pulp calcification?

On top of hyaline degeneration in the root canal Signup and view all the answers

What is the effect of pulp stones coming close to a nerve bundle?

Pain may be elicited Signup and view all the answers

What is the effect of the close proximity of pulp stones to blood vessels?

Atrophy of the blood vessels Signup and view all the answers

What is the characteristic of pulp stones in terms of their size?

They are larger in size and present in the coronal part Signup and view all the answers

What is the classification of pulp stones based on their location?

Free, attached, and embedded Signup and view all the answers

What is the characteristic of false denticles in terms of their formation?

They are formed around an area of hemorrhage or dead cells Signup and view all the answers

What is the pattern of diffuse pulp calcification in the pulp tissue?

Following the course of blood vessels or collagenous bundles Signup and view all the answers

What factor favors the development of diffuse pulp calcification?

Advancing age Signup and view all the answers