tooth erruption Flashcards
at what age does primary tooth eruption begin
around 6 months
at what age is the primary dentition usually fully erupted
2 to 3 years
what are the quadrant numbers of the primary dentition using FDI notation
5,6,7 and 8
at what stage of intra-uterine life to teeth start to form
around week 5
what is the general rule of thumb and sequence of the eruption of the primary dentition
lower before upper except laterals
1,2,4,3,5
what is the first primary tooth to erupt and at what age
primary mandibular central incisors
around 6 months
when do primary upper centrals usually erupt
6-12 months
when do primary lateral incisors usually erupt
7 -16 months
when do primary 1st molars usually erupt
13-19 months
when do primary canines usually erupt
16-22 months
when do primary 2nd molars usually erupt
15-33 months
primate space
mesial to upper deciduous canine
distal to lower deciduous canine
at what age are children usually in a mixed dentition
between 6 and 11 years
sequence of lower permanent teeth eruption
6,1,2,3,4,5,7,8
sequence of upper permanent tooth eruption
6,1,2,4,5,3,7,8
general rule of thumb for permanent tooth eruption
lowers before uppers except 2nd pre molars
at what age do upper centrals normally erupt
7
at what age do lower centrals normally erupt
6
at what age do upper laterals normally erupt
8
at what age do upper canines normally erupt
11
at what age do upper 1st premolars normally erupt
10
at what age do upper 2nd premolars normally erupt
10
at what age do upper 1st molars normally erupt
6
at what age do upper 2nd molars normally erupt
12
at what age do lower laterals normally erupt
7
at what age do lower canines normally erupt
9
at what age do lower 1st premolars normally erupt
10
at what age do lower 2nd premolars normally erupt
10
at what age do lower 1st molars normally erupt
6
at what age do lower 2nd molars normally erupt
12
how long after eruption does it take for permanent tooth roots to complete apexogenesis
3 years
how long after eruption does it take for primary tooth roots to complete apexogenesis
1.5 years
what primary tooth resembles a lower 1st molar
lower primary 2nd molar
what primary tooth doesnt resemble any others and has a large mesio buccal tubercle
lower primary 1st molar
what primary tooth has resembles an upper 2nd permanent molar and has a prominent mesio buccal tubercle
upper 1st primary molar
what primary tooth resembles an upper 1st permanent molar and has a transverse ridge that should be preserved when preparing cavities
upper 2nd primary molar
what permanent teeth would a 9 year old have
all 1st molars
all incisors
lower canines errupted or about to
