Module 2 Flashcards
The PDL is made up of _____ sheets of ____ _____ tissue?
thin
fibrous
connective
The PDL consits of _____, ____, and _____?
connective tissue fibers
cells
extracellular matrix
What cells are predominately found in the PDL?
Fibroblasts
What is the largest component of the PDL?
fiber bundles
some cemento and osteoblasts
The supportive function of the PDL is?
anchoring tooth to bony socket
The sensory function of the PDL is?
transmitting tactile pressure and pain sensations
The nutritive function of the PDL is?
providing nutrients to the cementum and bone
The formative function of the PDL is?
producing cementum and building bone
The resorptive function of the PDL is?
breaking down of bone by use of osteoclasts
What are the 5 types of Principal Fiber Groups?
Alveolar Crest Apical Horizontal Interradicular Oblique
The alveolar crest fibers run from _____ to ____ in a ____ direction?
cementum
alveolar crest
downward diagonal
Principal fiber groups
most coronal to most apical
Alveolar Crest Horizontal Oblique Apical Interradicular
What principal fiber group is only seen in multi-rooted teeth?
interradicular
Define Sharpy’s Fibers?
Ends of PDL fibers that are EMBEDDED in the cementum and alveolar bone
The PDL fiber bundles are made out of ___ fibers?
collagen
