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Unformatted text preview: o Trabecular bone: 25%/year • With age – o bones tend to increase in diameter o trabecular bone grows thins o absorption and remodeling are affected by: vitamin D, calcium parathyroid hormone sex hormones – particularly estrogen estrogen levels work to keep the pace of resorption II. Teeth • Teeth develop in jaws from first few months of fetal life - 18-20y 1) Epithellial Cells dive down from mouth cavity to jaws 2) Interact with mesenchyme -> tooth germ/bud 3) inner enamel epithelium (IEE) expands and buckles at different rates -> sites of future cusps/fissures 4) cells of IEE induce cells opposite to form into odontoblasts (form dentin) 5) enamel forming cells ( ameloblasts ) move out to form enamel on top of the enamel-dentin junction (EDJ)...
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- Spring '08
- I. Bone Remodeling