Primary dentition Flashcards
Which is less mineralized primary or permanent dentition? Which are more worn?
Primary
Primary
What’s the difference in space from primary to permanent dentition? arch length
2-4 mm
What do mamelons past the age of 10 indicate?
an open bite
What age is calcification of the primary roots completed?
3-4 years
What’s the usual pattern of primary eruption?
central, lateral, 1st molar, canine, 2nd molar
What primary tooth (2 of them) does the maxillary tooth erupt before the mandibular?
Lateral
What is the primate space in primary teeth?
It’s the diastema that forms around the canines to allow for the room of the canine to grow there.
Where is the primate space on the maxilla?
Lateral to Canine
Where is the primate space on the mandible?
Canine to first molar (primary)
What causes the spacing of the anterior primary teeth?
growth of the arches
What direction the enamel rods travel in primary tooth, cervical third of the tooth?
Occlusally. (kinda wierd)
What does a primary molar root lack?
Root trunk
How are primary molar roots different from permanent?
Primary roots are divergent
Which primary tooth has the smallest faciolingual crown size?
Mandibular central incisor
Which tooth is the most bilaterally symetrical ? (primary and permanent)
Mandibular central incisor