permanent first pre molars Flashcards
when does the upper first pernament pre molar erupt?
10 -11 years
upper first permanent pre molars
Furcation at varying levels with associated groove on root
when does the upper first permanent pre molar root complete?
12-13 years
how many roots does the upper first permanent pre molar have?
2 root canals
Pulp chamber wider buccopalatally than mesiodistally and 2 distinct pulp horns
what is the largest cusp on the upper second permanent pre molar?
Palatal cusp larger and more equal to buccal
how many roots does the upper second permanent pre molar have?
1 root- single root canal
Root flattened mesio-distally
what age does the upper second pernament pre molar erupt?
10-12 years
what age does the upper second permanent pre molar root complete?
12-14 years
what is the largest and smallest cusp of the lower first permanent pre molar?
Large buccal cusp & small lingual cusp
what tooth does the lower first permanent pre molar appear similar to?
May appear similar to canine
how many roots does the lower first permanent pre molar have?
1 root
what age does the lower first permanent pre molar erupt?
10-12 years
what age does the lower first permanent pre molar root complete?
12-13 years
pulp morphology of the lower first permanent pre molar?
Pulp chamber wider buccolingually than mesiodistally
1 pulp horn extends to buccal cusp with occasional small pulp horn passing to lingual cusp
Single root canal
how many roots does the lower second pre molar have?
1 root
Flattened mesio-distally
Groove on mesial surface
