Dentin quiz
Dentin Knowledge Quiz
Test your understanding of dentin with this comprehensive quiz! This quiz consists of 25 multiple-choice questions that cover various aspects of dentin, including its structure, types, and properties.
Whether you're a student, a dental professional, or just someone interested in oral health, this quiz is designed to enhance your knowledge!
- Learn about dentin composition.
- Understand the role of dentin in dental health.
- Assess your knowledge against factual information.
Dentin is located on the root only
True
False
Dentin is made of ____ inorganic substance
20%
50%
70%
96%
Dentin influences both ________ and ______ of a carious lesion
Sensitivity; shape
Color; shape
Pattern; speed
Speed; density
Dentin cannot regenerate
True
False
The origin of dentin is....
Enamel organ
Dental sac
Dental papilla
Ectoderm
Which of these is NOT a structure of dentin?
Odontoblasts
Fibrous matrix of collagen
Fibrous matrix of connective tissue
Mucopolysaccharides
In the bell stage, IEE cells become taller. These taller cells are called ___________
Odontoblasts
Preameloblasts
Ameloblasts
Cementoblasts
Dentin has elastic properties
True
False
What is the ingredient in Sensodyne toothpaste that help to rebuild dentin?
Triclosan
Sorbitol
Fluoride
Potassium nitrate
A long tube running from DEJ to pulp filled with cellular extension of odontoblast, the odontoblastic process.
Tubercule
Fallopian tube
Dentinal tubule
Tube of pulpation
Dentinal tubules are straight
True
False
In the longitudinal section of a tooth, what shape do dentinal tubules take?
C-shape
Straight line
U-shape
S-Shape
The dentin immediately around each dentinal tubule is called ___________
Intertubular dentin
Tomes' Granular layer
Peritubular dentin
Dentinal process
When dentin is first put down as an uncalcified matrix with a lot of collagen fibers, this is called __________
Predentin
Mature dentin
Reparative dentin
Primary dentin
Contour lines of Owen occur more frequently than imbrication lines of Von Ebner
True
False
Mantle dentin is the first predentin that forms and matures in the tooth
True
False
These fibers are very thick in nature and run perpendicular to the DEJ.
Collagen fibers
Sharpey's fibers
Von Korff's fibers
Periodontal fibers
There are 6 types of dentin
True
False
All dentin formed before the completion of the apical foramen is considered _________
Reparative dentin
Primary dentin
Secondary dentin
Sclerotic dentin
Once the apical foramen is completed, dentin formation continues but at a very fast rate.
True
False
Another name for tertiary dentin
Mantle dentin
Mature dentin
Reparative dentin
None of the above
This type of dentin involves only the areas underneath those dentinal tubules that are exposed to some external insult.
Primary dentin
Secondary dentin
Reparative dentin
Sclerotic dentin
Which dentin is known as transparent dentin
Primary dentin
Secondary dentin
Reparative dentin
Sclerotic dentin
The tubules in reparative dentin are twisted and irregular
True
False
A pronounced contour line that is present in the teeth of primary dentition and first molars
Neonatal line
Imbrication line
Incremental line
Dentin line
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