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Effects of Light Pressure
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Time:
<1 sec
Event
: 1. PDL fluid is incompressible
2. Alveolar bone bends,
3. A piezoelectic signal is generated
Time:
1-2 secs
Event:
PDL is expressed, tooth moves within the PDL space
Time
:
3-5 secs
Event:
Blood vessels within the PDL are:
--
compressed
on
pressure
side
--
dilated
on
tension
side
Time:
Minutes
Event:
Blood flow altered, oxygen tension begins to change
Time:
Hours
Event:
Metabolic changes occure
Time:
4 hours
Event:
Increased cyclic AMP
--> cellular differentiation begins within PDL
Time:
2 days
Event:
Tooth movement beginning as osteoclasts/osteoblasts remodel the bony socket
Author
amybarrer
ID
12842
Card Set
Effects of Light Pressure
Description
The Effects of Light Pressure for Orthodontic Movement
Updated
2010-04-01T23:01:33Z
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