Costley Module 11 ch 17

Question 1

Amelogenesis

Answer 1

Production and development of enamel

Question 2

Avulsion

Answer 2

The tearing away or forcible separation of a structure

Question 3

Bruxism

Answer 3

oral habit

Question 4

A carious lesion that has become stationary and does not show a tendency to progress further is termed

Answer 4

Arrested Caries

Question 5

Primary caries occurs on a surface ______

Answer 5

not previously affected

Question 6

Recurrent Caries occurs?

Answer 6

On a surface adjacent to a restoration

Question 7

Under development of a tissue or organ is termed

Answer 7

Hypoplasia

Question 8

Idiopathic

Answer 8

Condition of unknown cause

Question 9

An early lesion can be referred to as _____ caries

Answer 9

Incipient (beginning)

Question 10

Neutral P.H.

Answer 10

7.0

Question 11

The PH at which demineralization occurs is termed _________
what is the value for enamel?
what is the value for cementum?

Answer 11

Critical PH

4. 5-5.5
5. 0-6.7

Question 12

Mixed Dentition occurs between ages __ and ____

Answer 12

6

12

Question 13

Roots are normally completely formed how long after eruption?

Answer 13

3 yrs.

Question 14

A Hereditary disorder of the enamel is_____ the enamel may have a _____color

Answer 14

Amelogenesis Imperfecta

Brown

Question 15

Systemic causes for enamel malformation are also called ______ or “——–”

Answer 15

Environmental

Chronologic Hypoplasia

Question 16

A Systemic Enamel Malformation that is “single narrow zone” last a _____ period of time

Answer 16

short

Question 17

The teeth most frequently affected by Systemic Enamel Malformations are?

Answer 17

1st Molars
Incisors
Canines

Question 18

What STD can cause enamel malformations

Answer 18

Syphilis

Question 19

Attrition

Answer 19

Wearing away of the tooth due to occlsion

Question 20

Attrition can be found on what surfaces of the teeth

Answer 20

Occlusal
Incisal
Proximal

Question 21

Predisposing factors to Bruxism include

Answer 21

Tension
Occlusal Interferences
Psychological Problems

Question 22

Initial VS Advanced Attrition Signs

Answer 22

slight flattening - on cusp tip/ridge

Gradual reduction in cusp height: flattening of incisal or occlusal plane

Question 23

Erosion is the loss of tooth structure by what process?

Answer 23

Chemical

Question 24

Erosion is typically seen on what surfaces of the teeth

Answer 24

Lingual or Facial

Question 25

______ _______ (Erosion) affects the lingual surfaces of anterior teeth

Answer 25

Chronic Vomiting

Question 26

What are some examples of Extrinsic sources of enamel erosion

Answer 26

Lemons Carbonated Beverages Diet Atmospheric Acids

Question 27

The appearance of enamel erosion can vary from shallow _______ depressions to deep ______ grooves.

Answer 27

saucer-like | wedge-shaped

Question 28

Abrasion is caused by

Answer 28

mechanical wearing by forces other than chewing.

Question 29

Enamel Abrasion typically occurs at what surfaces

Answer 29

Exposed root surfaces | Incisal edge or occlusal surface

Question 30

Enamel Abrasion can be caused by vigorous ________ and _______ causes

Answer 30

horizontal brushing | occupational (holding things between teeth)

Question 31

Radiographic signs of trauma include widened __________ Radiolucent _______ Radiopaque area where fracture segments _________ and tooth ______

Answer 31

PDL space fracture line overlap displacement

Question 32

The WHO definition of caries?

Answer 32

localized, posteruptive, pathologic process of external origin involving softening of the hard tooth tissue and proceeding to the formation of a cavity.

Question 33

The requirements for the development of a carious lesion are?

Answer 33

Microorganisms Carbohydrate Susceptible Tooth

Question 34

What bacteria is found in the initiation of caries?

Answer 34

Mutans Streptococcus

Question 35

What bacteria is found in the progression of caries?

Answer 35

Lactobacillus

Question 36

The standard method for classifying dental caries was developed by

Answer 36

Dr. G.V. Black

Question 37

Cavities in pits or fissures are a Class

Answer 37

1

Question 38

Cavities on incisal edges of anterior teeth and cusp tips of posterior teeth are Class

Answer 38

6

Question 39

Cavities in proximal surfaces of incisors and canines (don't include incisal edge) are Class

Answer 39

3

Question 40

Cavities in proximal surfaces of incisors or canines that involve incisal edge are Class

Answer 40

4

Question 41

Cavities in proximal surfaces of premolars and molars are Class

Answer 41

2

Question 42

Cavities in the cervical 1/3 of facial or lingual surfaces are Class

Answer 42

5

Question 43

An Incipient lesion isn't ______ and first clinical evidence is a ______

Answer 43

visible | white area on enamel

Question 44

Low concentrations of ______ applied frequently during the initial phase of caries can help with demineralization

Answer 44

fluoride

Question 45

The progression of carious lesions follows the general direction of ______

Answer 45

enamel rods

Question 46

____ and ______ caries occurs where three or more lobes of development join imperfectly, or at endings of grooves of teeth

Answer 46

Pit and Fissure

Question 47

_______ caries develops on proximal tooth surfaces where biofilm removal is protected

Answer 47

Smooth Surface

Question 48

What teeth are most often affected in early childhood caries

Answer 48

MX anterior teeth and primary molars

Question 49

Children need to be seen for an exam no longer than ______ mo after eruption of 1st tooth

Answer 49

6

Question 50

What is necessary for root caries to happen

Answer 50

Gingival Recession

Question 51

Caries does not form in the root surface while ________

Answer 51

PD fibers are attached

Question 52

Dental caries starts near the ______

Answer 52

CEJ

Question 53

Root caries occurs in a mildly ___ environment.

Answer 53

acidic

Question 54

Root caries lesions are describes as __, ___, or ______

Answer 54

soft, leathery, hard soft, leathery (Active Lesions) Hard ( Arrested lesions)

Question 55

Root caries increases ______ to coalesce with other small lesions

Answer 55

laterally

Question 56

The 2 basic types of pulp testing are

Answer 56

thermal | electric

Question 57

Intrinsic discoloration, fractures, large carious lesions, and fistulas are examples of ______ observations of ______

Answer 57

clinical | loss of vitality

Question 58

Apical radiolucency, bone loss, and fractured roots are example of _______ observations of _____

Answer 58

radiographic | loss of vitality

Question 59

The vitality of the pulp depends on ______ not ______

Answer 59

blood supply | nerve supply

Question 60

An electric tester reveals only whether a pulp is _______ or _______

Answer 60

vital | non-vital

Question 61

No response to an electric pulp test means?

Answer 61

Necrotic Pulp

Question 62

Lingering pain after removal of electrical stimulus to pulp means?

Answer 62

Irreversible pulpitis

Question 63

Pain subsides promptly after electrical pulp stimulus means?

Answer 63

reversible pulpitis

Question 64

Reasons for False-Negative Pulp Test Responses

Answer 64

Took pain meds (alcohol, narcotics) Recently traumatized tooth narrow calcified root canal newly erupted tooth

Question 65

Primary dentition formation begins _____

Answer 65

in utero

Question 66

Mineralization of the permanent teeth starts at ___ and continues into ____

Answer 66

birth | adolescence

Question 67

What are the two methods of classifying cavities

Answer 67

G.V. Blacks | Nomenclature by Surfaces

Question 68

Phase 1 in the formation of a carious lesion is?

Answer 68

Incipient Lesion development

Question 69

Phase 2 in the formation of a carious lesion is?

Answer 69

Untreated Incipient Lesion development