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Transcript

Tooth eruption
ultra-low power section of developing jaw
1
1
4
4
3
3
2
3
2
1 mm
Key: 1 = milk teeth; 2 = developing adult teeth; 3 = jaw bone; 4 = gum
2
Tooth eruption
Osteoclasts erode jaw bone to make way for erupting adult tooth
Are hypoxia and acidosis involved in mediating
tooth eruption and orthodontic tooth movement ?
Pressure from
advancing tooth
causes partial
constriction of
capillaries in
periodontal
ligament
‘Trabecular’ bone nodules formed by primary osteoblasts
5 mm

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