Enamel, Dentin or Pulp?
Normal or Abnormal
True or False?
Potpourri
100
This is the hardest structure of the body.
What is enamel?
100
This is an example of what abnormality of enamel
Hypocalcified enamel
100
Pulp stones negatively impact the health of the pulp and must be removed
False
100
During this stage, the inner enamel epithelial cells become taller and are known as preameloblasts
What is the bell stage?
200
Examples are primary, secondary & reparative
What is dentin?
200
The black lines in this picture represent
What is the Striae of Retzius?
200
Sclerotic dentin and Transparent dentin are the same thing
True
200
Ameloblasts lay down a matrix and deposit hydroxyapatite crystals in this stage
What is mineralization?
300
Microscopically, this type of pulp stone resembles an onion cut in cross-section.
What is a false stone?
300
Dentinal tubules that are empty because of the death of the odontoblasts that originally occupied them
What are dead tracts?
300
It is impossible to determine the type of trauma a tooth has endured based on a radiograph
False! It is possible.
300
In this stage, the hydroxyapatite crystals grow until they are tightly packed together.
What is maturation?
400
This is formed in response to trauma.
What is reparative dentin?
400
Small, circular, calcified areas found in the pulp
What are pulp stones?
400
Reparative dentin is formed in response to one of these three types of trauma: occlusal, chemical, or emotional
False! Occlusal, chemical or mechanical
400
As the ameloblast moves away from the DEJ, it begins to compress the two layers in the middle. What are the two layers?
Stratum intermedium and the stellate reticulum
500
Its nerves can transmit the sensation of pain only
What is pulp?
500
Areas of poorly calcified dentin that become entrapped during the process of calcification, found next to the DEJ in the crown and the DCJ in the root
What is Interglobular Dentin?
500
Attachment epithelium is found at the base of the gingival sulcus
True
500
As the pulp ages, ________ replace damaged cells
odontoblasts