1 Flashcards
All primary teeth begin calcification process
4-5 months in utero
All primary teeth emerge (erupt) by
age 2-3 years (2.5 years average)
Roots of primary teeth complete formation approximately
1-2 years after eruption
roots are about —- formed at eruption
half
Roots begin to resorb approximately—- years before —-
Roots begin to resorb approximately 2-3 years before exfoliation
Primary dentition exists until beginning of —– dentition with the emergence (eruption) of the permanent first molars at age —–
Primary dentition exists until beginning of mixed dentition with the emergence (eruption) of the permanent first molars at age six
permanent 1st molars
erupt distal to the primary second molars
very similar in form to permanent counterparts, but smaller and less pronounced morphologic features
incisor
tf incisors primary teeth have no mammelons
T
crown of incisors (primary)
appear squatted
tf primary incisors onlhave buccal cervical ridges
F
buccal and cervical ridges
incisor primary teeth
mesial CEJ more incisally positioned than distal
roots of incisor(primary teeth)
narrow and pointed
—- angle of lower lateral incisor (primary) quite rounded
DI angle of lower lateral incisor (primary) quite rounded
diamond shaped crown4
– maxillary canine primary teeth
diff between maxillary canine and permanent max canine
max canine
has longer mesial cusp ridge (slope) than distal slope
maxillary canine (primary) has marked —- and —- cervical bulges
maxillary canine has marked facial and lingual cervical bulges
arrow-shaped crown
primary mandibular canine
mandib canine(primary tooth)
mandibular canine has shorter mesial slope than distal slope
diamond shaped crown4
– maxillary canine primary teeth
diff between maxillary canine and permanent max canine
max canine
has longer mesial cusp ridge (slope) than distal slope
maxillary canine (primary) has marked —- and —- cervical bulges
maxillary canine has marked facial and lingual cervical bulges
arrow-shaped crown
primary mandibular canine
