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Pulp Microanatomy - 1

Terms in this set (83)

Dental pulp is
connective tissue
Dental pulp consists of
nerves, blood vessels, ground substance, interstitial fluid, odontoblasts, fibroblasts, and other cellular components
The pulp lives in a rigid capsule that creates a
low compliance environment
Another uniqueness of dental pulp is that it consists primarily of
sensory fibers
Tooth development begins as early as the
5th week of gestation
Mineralization of primary dentition begins during the
14th week of gestation
Primary teeth erupt around
6 months
Permanent teeth erupt at
5-6 years
Teeth derive from which 2 principle cell types?
ectoderm and cranial neural crest-derived ectomesenchyme
Ectoderm gives rise to
ameloblasts
Cranial neural crest derived ectomesenchyme give rise to
dental pulp and periodontal tissue
Initiation of tooth development begins with the formation of the
dental lamina
The underlying mesenchyme, called the dental papilla with form the future
dentin and pulp
mesenchyme condenses and beings to appear like a cap on the dental papilla; critical step in tooth morphogenesis involving multiple signaling molecules
bud stage
enamel knot is formed within the enamel organ epithelium; critical signaling center
cap stage
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