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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Heavy force is |
1-50kg Reduces blood supply |
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Light force is |
Less than 1kg Maintains blood supply |
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Ideal force should be |
Light force (less than 1kg). Long in duration Continuous in nature |
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List the cells that are found within the periodontal ligaments |
Fibroblast Osteoblast Osteoclast Undifferentiated cells |
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The vertical movement needed to produce tension on fibers of the PDL to extrude or lift a tooth from its socket |
Extrusion 50g of force is needed to perform this movement |
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Osteoclast remove bone in front og the tooth by releasing... |
Acids |
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How does a tooth move through the bone? |
Having bone removed on one side of the bone and redeposited on the other side |
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The rotation of a tooth on its long axis |
Route torque |
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Light forces applied continuously provides... |
Stability and movement of the teeth |
2 things |
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Continuous forces require... |
Small amounts of adjustments |
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What type of force is used when heavier forces are applied for shorter periods of time? |
Intermittent forces |
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What functions does bone have |
Structural and metabolic functions |
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Bone that is structual in nature and has a slow turnover |
Cortical Bone |
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Trabecular bone is... |
Metobolic in nature and has a constant turn over |
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Vertical movement where movements are concentrated at the root apex causing the tooth to move gingivally |
Intrusion 15-25g of force is needed to perform this movement |
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