Dental Anomolies

Question 1

missing teeth major differential

also called?

Answer 1

Ectodermal dysplasia

hypodontia, oligodontia, anodontia

Question 2

macrodontia disease mechanism

Answer 2

cause unknown - but vascualr abnormalities

Question 3

see macrodontia on one side?

Answer 3

bilaterally – more likely congenital / unknonw cause

if one area - could be significant

Question 4

has transposition been reported in primary teeth?

Answer 4

no

Question 5

fusion vs gemination difference

Answer 5

fusion – one less tooth

number of teeth is decreased by one with this

Question 6

concrescence

Answer 6

fusion of roots together by the cementum

Question 7

gemination

Answer 7

looks like fusion but when count number of teeth – will remain normal

NORMAL NUMBER OF TEETH

Question 8

main way to recognoze dilaceration

Answer 8

bullseye – ROOT apex curves and then can see either buccal or lingually the opening

Question 9

*dens invaginatis

Answer 9

ingrwoing of enamel into pulp space

common location is lateral incisor

more severe where deforamties in crown of tooth
- dens in dente

Question 10

spectrum of dens invaginatus

Answer 10

dens invaginiatis < in dente < dialted odontoma

Question 11

dialted odontoma

Answer 11

associated with third molar

Question 12

most common appearance of AI

Answer 12

hypoplastic type

Question 13

Dentinogenesis and OI appears? *

Answer 13

bulbous crown

narrow roots

cervical constriction!!

root canals absent or thin

Question 14

Dentin Dysplasia * type I

Answer 14

radicualr

Question 15

type II of dentin dysplasia *

Answer 15

coronal

Question 16

bulcous crowns

Answer 16

Dentinogen Imperfecta

Question 17

narrow roots

Answer 17

DI

Question 18

flame shaped pulp

Answer 18

dysplasia type II

- coronal

Question 19

which has normal root?

Answer 19

type II outline

Question 20

W shaped molar root?

Answer 20

Type I dentin dysplasia

Question 21

ghost teeth

Answer 21

regional odontodysplasia

Question 22

enamel pearl * location

Answer 22

APICAL TO CEJ on the roots

Question 23

enamel pearl * location

Answer 23

APICAL TO CEJ on the roots

Question 24

turners hypoplasia location?

Answer 24

localized

• not bilateral
• usually infection or trauma

perm tooth with local enamle hypoplastic defect in crown caused by infection from primary tooth or trauama

Question 25

turners hypoplasia location?

Answer 25

localized - not bilateral - usually infection or trauma perm tooth with local enamle hypoplastic defect in crown caused by infection from primary tooth or trauama

Question 26

mulberry molars associated with?

Answer 26

congenital syphilis cases

Question 27

attrition *

Answer 27

PHYSIOLOGICAL WEARING

Question 28

DD with atterition

Answer 28

AI -- this will be affecting all the teeth and congenital

Question 29

abrasion *

Answer 29

NON-PHYSIOLOGIC FRICTION INDUCED WEARING

Question 30

EROSION by?

Answer 30

CHEMICAL ACTION | -

Question 31

erosion DD?

Answer 31

abrasion but in erosion -- esdges of erosion lesionos are usually more roundede than abrasion

Question 32

*external resorption

Answer 32

PDL space is in tact can have overlap of pulp space also if on the side more apparent for external

Question 33

*internal resorption

Answer 33

widening the canal space

Question 34

pulp stones implication

Answer 34

root canal treatment -- more difficult

Question 35

*hemifacial microsomia DD

Answer 35

condylar hypoplasis - but this one EFFECTS THE EARS TOO

Question 36

*Treacher collins syndrome

Answer 36

underdevelopment of zygomatic bones - mandible will be down-turned downward inclination of palpebral fissure underdevelopemetn

Question 37

see a lot of supernumerary teeth?

Answer 37

Cleidocranial Dysaplsia

Question 38

Cleidocranial Dysaplsia * clinical and imaging features

Answer 38

hypoplastic maxilla and aplasia or HYPOPLASIA OF CLAVICLES BUT NORMAL SIZED MANDIBLE WITH MULTIPLE SUPERNUMERARY TETEH

Question 39

*lingual salivary gland depression location?

Answer 39

more often than not BELOW THE CANAL

Question 40

salivary gland depression appearance

Answer 40

WD corticated round , ovoid

Question 41

*focal osteoporotic bone marrow

Answer 41

variation of normal anatomy lamina dura in tact * surrounding bone is normal trabeculation

Question 42

if missing and conicical shaped think?

Answer 42

ectodermal dysplasia

Question 43

hypercementosis

Answer 43

be able to recognize this --- LD and PDLspace encompasses the enlargement