Flashcards in 14295_CH7DentalAnatomy Deck (97)
Three developmental periods?
Growth, Calcification, Eruption
Dental development begins?
5th/6th week - prenatal
Horseshoe shaped band?
Growth period of development?
Bud, Cap, Bell
# of buds per dental arch?
Buds for permanent teeth form when?
17 weeks - 5 yrs
Cap stage also known as?
Small nipple shaped elevation?
Last period of growth?
Histodifferentiation or bell stage
Cells that form enamel?
Cells that form dentin?
Cells that form cementum?
Tooth takes shape through _______ in the _______ phase?
Depositing of the matrix?
Crown completion to tooth emerging?
3yrs (perm teeth)
Study of anatomy?
Tooth divided into how many parts?
2 : crown, root(s)
Crown divided into?
Anatomic, Clinical crown
Four or more roots?
Opening for blood/nerves?
Covers anatomic crown and protects dentin?
96% inorganic, 1% organic, 3% water
Enamel can endure how much crushing pressure?
1,000 lbs per sq inch
Enamel is composed of?
Millions of enamel rods or prisms
Constitutes largest portion of the tooth?
Dentin is harder than ____ but softer than ______?
70% inorganic, 30% organic and water
Covers roots of teeth?
light yellow (lighter than dentin)