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
What happens to the permanent incisor is the primary experiences delayed resorption?
It erupts lingually
What’s important about the primary Maxillary central incisors cervical ridges?
Facial and lingual are both very prominent (fat on the bottom)
Where is the primary canine cusp tip offset to?
The distal side
Which side is longer on the primary canine cusp ridge? the mesial cusp ridge or the distal?
Mesial
What permanent tooth does the primary maxillary 1st molar crown look like?
Permanent premolar
What permanent tooth roots do the primary maxillary 1st molar teeth roots look like?
Permanent maxillary molar roots
What surface has the most prominent cervical ridge on maxillary teeth?
Mesiofacial of 1st primary molar
What’s the only primary tooth that has an oblique ridge?
Maxillary second molar
Which primary tooth has a cusp of carabelli?
Maxillary second molar
Which primary tooth has a transverse ridge and a Distal lingual groove and an oblique ridge?
Maxillary second molar
What are the last primary teeth to erupt?
Maxillary second molar
Which has more cusps, maxillary primary 1st or 2nd molar?
2nd molar
Which primary tooth has THE most prominent facial cervical ridge?
Primary Mand. 1st molar
Which side is the CEJ tilted down to on the primary mand. 1st molar?
Mesial
The primary mandibular 1st molar has a triangular occlusal fossa on which side, mesial or distal?
Distal
Which primary tooth has the most distinct transverse ridge of all primary teeth?
Primary mandibular 1st molar
What does the primary maxillary 2nd molar resemble of the permanent teeth?
Permanent 1st molar
Which primary tooth doesn’t resemble any other permanent teeth?
Primary 1st mandibular molar
Which is the highest sharpest cusp on a primary mandibular first molar?
Mesiolingual
