dental anomalies

Question 1

anodontia

Answer 1

absence of teeth

most common: third molars (maxillary), maxillary lateral incisors, mandibular second premolars

Question 2

supernumerary teeth

Answer 2

extra teeth
most common:
maxillary incisor area 
third molar area 
mandibular premolar area

Question 3

shovel shaped maxillary incisors

Answer 3

more common in american indians

Question 4

root dilaceration

Answer 4

flexion or bending of root (dancing)

Question 5

concrescence of roots

Answer 5

joining of cementum of adjacent teeth

Question 6

dwarfed roots

Answer 6

compared to abnormally long roots

Question 7

accessory roots

Answer 7

extra roots

Question 8

tetracycline staining

Answer 8

hi

Question 9

hutchinson’s incisors & mulberry molars

Answer 9

from congenital syphilis
hutchinson’s :(dented at bottom)
mulberrry: looks like mulberries

Question 10

peg shaped maxillary lateral incisors and central (very rare)

Answer 10

looks like peg legs

Question 11

twinning

Answer 11

aka gemination

one crown appears double wide

Question 12

fusion

Answer 12

2 crowns fused together, root looks like it could be split in half

Question 13

enamel pearls

Answer 13

often near furcation

Question 14

tooth position

Answer 14

unerupted, horizontally impacted