ORAL PATHOLOGY lab

Question 1

teeth which are smaller than normal

Answer 1

microdontia

Question 2

all teeth are smaller than normal

Answer 2

true generalized microdontia

Question 3

common in dwarfism

Answer 3

true generalized microdontia

Question 4

normal or slightly smaller than normal teeth are present in jaws that are somewhat larger than normal

Answer 4

relative generalized microdontia

Question 5

results spacing

Answer 5

relative generalized microdontia

Question 6

“Peg-lateral”

Answer 6

Microdontia involving only a single tooth

Question 7

most commonly affected teeth:
maxillary lateral incisor & 3rd molar
-Maxillary lateral incisor

Answer 7

Microdontia involving only a single tooth

Question 8

peg-shaped or cone-shaped
crown, root shorter than usual

Answer 8

Microdontia involving only a single tooth

Question 9

larger teeth than normal

Answer 9

macrodontia

Question 10

all teeth are larger than normal

Answer 10

True Generalized Macrodontia

Question 11

the presence of normal or slightly larger than
normal teeth in small jaw

Answer 11

Relative Generalized Macrodontia

Question 12

uncommon

Answer 12

Macrodontia of single tooth

Question 13

also known as twinning

Answer 13

gemination

Question 14

splitting toothgerm

Answer 14

gemination

Question 15

it is the occurs when two adjacent tooth germs unite

Answer 15

fusion

Question 16

joined by thier crowns or thier roots

Answer 16

fusion

Question 17

may be made at the dentin

Answer 17

fusion

Question 18

united by cementum only

Answer 18

concrescence

Question 19

causes of concrescence

Answer 19

1.traumatic injury
2. crowding of the teeth

Question 20

resembles an eagle talon

Answer 20

talon’s cusp

Question 21

aka dens in dente

Answer 21

-dens invaginatus
dilated composite ondontome

Question 22

Location: projects lingually from the cingulum
area

Answer 22

talon’s cusp

Question 23

commonly affects Mx & Mnd Permanent Incisors

Answer 23

talons cusp

Question 24

talons cusp problems:

Answer 24

1. esthetics
   2.caries control
   3.occulusal accommodation (bitting)

Question 25

its a Invagination into a deep groove in a tooth, frequently seen in the lingual pit area

Answer 25

dens in dente

Question 26

food impaction in area initiating caries formation

Answer 26

dens in dente

Question 27

causes of invagination of dens in dente

Answer 27

1. increased localized external pressure 2. focal growth retardation 3. focal growth stimulation in certain area of the bud

Question 28

Radiographic appearance: -pear-shaped invagination of enamel and dentin

Answer 28

dens in dente

Question 29

aka dens evaginatus

Answer 29

occlusal tuberculated premolar 2. leong's premolar 3.evaginated odontome 4. occlusal enamel pearl

Question 30

an accessory cusp of globule of enamel on the occlusal surface betweeen the buccal and lingual cusps of premolar. maybe unilateral or bilateral

Answer 30

dens evaginatus

Question 31

give 3 clinical significance of dens evaginatus

Answer 31

1. maybe contribute incomplete eruption the teeth 2.may contribute to displacement of the teeth 3.May contribute to pulp exposure with subsequent infection following occlusal wear or fracture

Question 32

enlargement of the body of the tooth gang root

Answer 32

taurodontism

Question 33

bull-like-tooth

Answer 33

taurodontism

Question 34

give the clinical appearance

Answer 34

tauridontism

Question 35

give the clinical appearance of taurodontism

Answer 35

1. seen both decidous or permanent teeth, but more common to permanent teeth 2. may be unilateral or bilateral

Question 36

radiographic features of taurodontism

Answer 36

1. rectangular in shape 2.pulp chamber is extremely large with a much greater apico-occulusal height than normal 3.pulp lacks constriction at rhe cervical of the tooth 4.roots extremely short with bifurcation

Question 37

its an angulation of the or crown yung sexy na ngipin HAHAHAHA

Answer 37

dilaceration

Question 38

give the cause of dilaceration

Answer 38

trauma

Question 39

common location of dilaceration

Answer 39

1.cervical portion 2. middle third of the root 3. apical third of the root

Question 40

clinical consideration of dilaceration

Answer 40

difficulty of extraction

Question 41

its congenital

Answer 41

hutchinson's teeth

Question 42

associated with syphillis -notching at incisal edges -narrowing of incisors

Answer 42

hutchinson's teeth

Question 43

anomalies of the roots of teeth

Answer 43

1. short root 2. supernumerary root 3.long root 4. enamel pearl-commonly seen in bifurcation/trifurcation of teeth

Question 44

all teeth are missing

Answer 44

total anodontia

Question 45

may involve both deciduous or permanent dentition

Answer 45

total anodontia

Question 46

cause of total anodontia

Answer 46

1. failure of toothgerm to develop 2.lack of initiation stage

Question 47

common congenital condition characterized by absence of one or more

Answer 47

hypodontia

Question 48

absence of many teeth, usually associated with small size of the existing teeth

Answer 48

oligodontia

Question 49

result pf extraction

Answer 49

false anodontia

Question 50

multiple unerupted teeth

Answer 50

pseudoanodontia

Question 51

teeth are missing clinically but are formed but failed to erupt

Answer 51

pseudoanodontia

Question 52

teeth in excess of the normal number

Answer 52

supernumerary teeth

Question 53

possible causes of supernumerary teeth

Answer 53

1. hereditary 2. splitting of permanent tooth bud 3.developed form a 3rd bud but arising form the dental lamina near the permanent tooth bud

Question 54

tooth situated between the maxilary central incisors

Answer 54

mesiodens

Question 55

supernumerary molar usually and rudimentary which situated bucally or lingually to one of the maxillary molar

Answer 55

paramolor

Question 56

supernumerary teeth that erupt OUTSIDE the dental arch

Answer 56

peridentes

Question 57

teeth which erupt within the first 30 days after birth

Answer 57

neonatal teeth

Question 58

erupt at birth

Answer 58

natal teeth

Question 59

possibe cause ng neonatal teeth

Answer 59

1.arises form normal tooth germ that develops in a superficial position 2. lost spontaneously due to irregular structure of dentin and cementum 3. extracted to prevent them from being inhaled

Question 60

cause of premature eruption of primary teeth

Answer 60

due to superficial location of toothgerm

Question 61

cause of premature eruption of permanent teeth

Answer 61

early shedding of primary teeth

Question 62

cause of persistence of deciduous teeth

Answer 62

1.primary teeth firmly attached to the alveolar socket 2.

Question 63

causes of premature loss of deciduous or permanent teeth

Answer 63

dental caries -periodontal diseases