differences between deciduous and permanent teeth

1

deciduous teeth are smaller, whiter and more consistent in shape

2

enamel is less mineralised, more permable and more worn down easily

3

shorter crowns with respect to roots

4

crowns have marked constriction at neck

5

layers of enamel and dentin are thinner

6

pulp cavities proprtionally larger than on permanent teeth

7

pulp horns are higher

8

no depressions or perikymata on labial surface of crowns of incisors

9

cervical ridge on facial surface is prominent

10

no mamelons on incisal edge

11

root is narrow mesiodistally

12

cingulum is prominent

13

molar crowns are narrow buccolingually, wide mesiodistally

14

molar crowns are short cervico-occlusally (1:2)

15

molar occlusal surfaces are shallow, cusps are short, ridges are not prominent and grooves are not deep

16

buccal cusps are not pointed

17

few grooves/depressions on all surfaces of all teeth

18

root furcation is near crown

19

thin roots

20

widely spread root