Eruption and Shedding Flashcards
What are the type of Physiologic tooth movements? (5)
Preeruptive Eruptive Posteruptive Shedding Avulsion
Where do primary teeth develop compared to primary tooth germs?
lingually
Where do primary teeth develop?
gubernacular canal
What are the 4 theories of pushing out dentition
Bone remodeling theory
Root Growth
Vascular Pressure
Cushion Hammock
What is critical for tooth eruption?
dental follicle
and the REE(reduced enamal epithelium)
What are some reasons for post eruptive movement?
Accommadate growing jaws
Occlusal Wear
aproximal wear
Is orthodontic tooth movement physiological?
no no it is not
which direction are teeth always pushing?
mesial
incisors/canines when abosbered loose
the lingual surface of the root
when primary molars are resorbed….
it is the interradicular dentin and root resorption
is exfoliation of teeth symmetrical?
generally yes
do maxillary teeth shed first or mandibular?
mandibular
generally teeth fall out from anterior to posterior… what is the exception?
maxilla molars. they fall out before the canines
