Dr. Morrison's Endo Talk Flashcards
A tooth is derived from _________.
Neural Crest Cells
What is the direction of building the teeth?
From the Crown first then down to the root
What are the 5 stages of building a tooth?
1.Bud 2.Cap 3.Bell 4.Dentinogenesis 5.Amelogenesis
What does the pulp arise from?
the dental papilla
What does the occulsial surface arise from?
the enamel knot
What are the three names for the end of the root?
1.Epithelial diaphragm 2.hertwigs root sheath 3.Cervial Loop
Some epithelial cells remain in the periodontal ligament as cell rests of _______.
Mal-a-ss-ez
An extra canal in the coronal 2/3s is called a _______ canal. An extra canal in the apical 1/3 (and furcations) is called a ______ canal.
coronal: Lateral Canal…..apical: accessory canal
Location of the _______ changes with age because of cementum deposition.
Apical Foramen
What is the most common cell type in the pulp?
fibroblasts
What type(s) of collagen do the fibroblasts of the dental pulp make?
Type I and Type III
What is the name of the extension of an odontoblast into the dentin?
Tome’s Process
Odontoblasts are _____ shaped at the crown, _____ at mid tooth, and _____ at the apex.
Crown: columnar, Mid: Cuboidal, Apex: Squamous
Which region of the pulp contains the most type I and III collagen?
the apical region
What type of collagen is secreted by the odontoblast, where?
Type I…dentin
