There are "eruptive" movements which continue to the adjusting tooth:

- Over-eruption in response to opposing extraction - Compensation

Uncovering of the tooth by apical gingival migration

Permanent eruptive movement is caused by?

Primary tooth exfoliation is permanent

Pre-eruptive movement

- during tooth development - teeth move as jaw grows - successional teeth move from a lingual/palatal position e.g. lower premolars: start lingually and move between the roots of the primary molars (bone remodelling)

- Eruptive forces - Resistive forces - overlying tissues

What are the eruption theories?

Pull - by PDL fibroblasts Push - hydrostatic pressure

produces factors that regulate osteoclasts and promote bone resorption

tooth development 6 Flashcards by Cameron Pollock

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tooth development 6 Flashcards

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