L5; Lower mandibular incisors

Question 1

what is the smallest tooth mesiodistally ( also most symmetrical )?

Answer 1

lower central incisor

Question 2

what is the eruption time of lower central incisors ?

Answer 2

6-7 years

Question 3

what is the eruption time of lower lateral incisors?

Answer 3

7-8 years

Question 4

where are the contact areas on the lower central incisor ?

Answer 4

both distal and mesial contact areas are on the same level ( exception , usually distal contact area is more cervical )