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| GROWTH FACTORS
AND EARLY TOOTH |
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| CYTODIFFERENTIATION |
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| BMP |
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| FGF |
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| Shh |
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| Wnt |
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| BMP |
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| FGF |
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| Shh |
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| Wnt |
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| Bu |
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| d |
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| Bell |
| Cap |
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| 2º Enamel |
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| knot |
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| BMP-4 |
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| FGF-10 |
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| Wnt |
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| BMP-4 |
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| FGF-10 |
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| Wnt |
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| Enamel |
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| knot |
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| • Reiterative use of
growth factors |
|
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| • Growth
factor actions on proliferation, differentiation, |
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| morphogenesis |
|