abnormalities of teeth and terms

Question 1

division of a single tooth germ

Answer 1

gemination

Question 2

tx for gemination

Answer 2

crown reduction with disking

Question 3

tx gemination if crown is too big

Answer 3

rct then crown

Question 4

union of two tooth germs

Answer 4

fusion

Question 5

tx for fusion

Answer 5

hemisection on 1 sides then rct

Question 6

what is hemisection

Answer 6

divide tooth longitudinally remove crown and root of 1 side

Question 7

which stage do these anomalies happen

Answer 7

cap stage

Question 8

stage for anodontia and supernumerary

Answer 8

initiation stage

Question 9

stage for amelogenesis imp dentinogenesis imp, macro and microdont

Answer 9

bell stage

Question 10

stage for enamel pearl, enamel hypoplasia, concresence

Answer 10

appositional stage

Question 11

definition of concresence

Answer 11

union of teeth bu cementum

Question 12

fusion of cementum to the surr alveolar bone

Answer 12

ankylosis

Question 13

most commonly seen in primary mandi 2nd molar, no lamina dura

Answer 13

ankylosis

Question 14

sharp bend or angulation of the root

Answer 14

dilaceration

Question 15

ankylosis plane of occlusion

Answer 15

submerged

Question 16

one of the common impacted mandibular tooth

Answer 16

primary 2nd molar

Question 17

pathologic loss of tooth struc due to contact with external instrument

Answer 17

abrasion

Question 18

abrasion in proximal view has

Answer 18

v-shaped notches

Question 19

notches on incisal due to nail biting

Answer 19

abrasion

Question 20

physiologic loss of tooth structure from tooth to tooth contact

Answer 20

attrition

Question 21

wear facets on incisal and occlusal

Answer 21

attrition

Question 22

autosomal dominant condition that affcts dentin in both deci and perm tooth

Answer 22

dentin dysplasia

Question 23

spoon shaped wear

Answer 23

erosion

Question 24

due to flexion on tooth💪🏻

Answer 24

abfraction

Question 25

radicular 🌌

Answer 25

type 1

Question 26

coronal 👑

Answer 26

type II

Question 27

most common dentin dysplasia

Answer 27

Type 1

Question 28

similar manifestation to deci and perm tooth

Answer 28

type 1

Question 29

rootless tooth leading to extreme mobility premature exfo

Answer 29

type 1

Question 30

completely obliterated pulp

Answer 30

type 1

Question 31

presentations of deci and perm are different from each other

Answer 31

type 2

Question 32

opalecent color of tooth

Answer 32

🐵 decidous type 2 | 🙈 dentinogenesis imperfecta

Question 33

normal color of tooth

Answer 33

permanent type 2

Question 34

enlarged pulp chamber and bulbous cervical

Answer 34

perm type 2

Question 35

thistle tube 🧪

Answer 35

perm type 2

Question 36

⚗️ new growth excessive and uncontrolled growth of abnor tse

Answer 36

neoplasm

Question 37

swelling. any swelling or abnormal enlargement in the body

Answer 37

tumor

Question 38

study of neoplasms or tumors

Answer 38

oncology

Question 39

composed of cells or tissue originating from three germ layers

Answer 39

teratoma

Question 40

abnormal cells normally found in the affected organ (abnormal cells, normal location)

Answer 40

Hamartoma

Question 41

normal cells in an unusual location (normal cells, abnormal location)

Answer 41

choristoma

Question 42

3 germ layers

Answer 42

ectoderm endoderm mesoderm

Question 43

outermost covering skin hair nails

Answer 43

ectoderm

Question 44

middle, cartilage bone respiratory GIT

Answer 44

ectoderm

Question 45

teratoma is usually seen in

Answer 45

ovary

Question 46

example of hamartoma

Answer 46

birthmark

Question 47

ex of choristoma

Answer 47

fordyce spots

Question 48

spread of tumor to adjacent tissues

Answer 48

invasion or infiltration

Question 49

spread of tumor to distant tissue

Answer 49

metastasis

Question 50

change from normal to abnor cells (disorganised, atypical)

Answer 50

dysplasia

Question 51

change from one cell type to another

Answer 51

metaplasia

Question 52

reversible at first

Answer 52

dyplasia

Question 53

cell change from more specialised to less specialized

Answer 53

metaplasia

Question 54

most common metaplasia

Answer 54

columnar to sqamous

Question 55

loss of differentiation

Answer 55

anaplasia

Question 56

hallmarks of anaplasia

Answer 56

🚽 pleomorphism 🧼 hyperchromatism 🧽 abnormal mitosis 🛋 loss of polarity

Question 57

same cells not attract to each other

Answer 57

loss of polarity

Question 58

premalignant lesions

Answer 58

leukoplakia and erythroplakia

Question 59

leukoplakia predisposes px to

Answer 59

malignancy

Question 60

white patch or plaque of oral mucosa that cannot be rubbed off and cannot be charac as any other dse

Answer 60

leukoplakia

Question 61

prone to be malignant

Answer 61

erythoplakia

Question 62

malignancy involves the full thickness of the epithelium

Answer 62

carcinoma in situ

Question 63

malignancy involves full thicknrdd of epith as well as penetrates the basement membrane

Answer 63

invasive carci

Question 64

well differentiated and movable

Answer 64

benigh

Question 65

slow growth and localized

Answer 65

benigh

Question 66

less diffrrentiated or no differenetiation and immovable

Answer 66

malignant

Question 67

well circumscribed

Answer 67

benign

Question 68

rapid growth and poorly circumscribed

Answer 68

malig

Question 69

metastasis

Answer 69

malig

Question 70

characeristic of malignancy mnemonics

Answer 70

💣 BIG FEUD

Question 71

most important characteristic of malignancy

Answer 71

metastasis

Question 72

absolute indicator of malignancy

Answer 72

metastasis

Question 73

TNM staging stands for

Answer 73

Tumor signs Node involvement Metastasis