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110848
Amelogenisis
Description
bacalaureat Oral Physiology Mind Map on Amelogenisis, created by Caroline Oxford on 27/05/2013.
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oral physiology
oral physiology
bacalaureat
Mind Map by
Caroline Oxford
, updated more than 1 year ago
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Created by
Caroline Oxford
over 11 years ago
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Resource summary
Amelogenisis
Enamel, 96% mineral, contains hydroxiapitite rods
Ameloblasts
derived from internal dental epithelium
Secrete enamel proteins,amelogenins 90%, amelin 5-10%
Has no blood supply, denpends on Glycogen and extracelluar matrix
Phase 1+2
A matrix is secreted and partially mineralised immediatly
Completed with complete mineralisaion, removal of organic material. Maturation phase.
Starts only after Odontoblasts start to lay dentine.
contains no collagen
Ameloblasts move away from dentine surface, and produce a short conical process called 'Tomes Process'
Secretion starts at proximal end of Tomes, walled pits form and then filled in from other end of Tomes
3. Rebound to surface
4. The outamost 5um become highly mineralised
Very sensitive, tetricyclin staining, flourosis etc.
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