Module 4

Question 1

What are the purposes for wearing dentures?

Answer 1

• replace missing teeth adn adjacent structures

- provide function

Question 2

What adjacent structures do dentures restore?

Answer 2

facial contour, lip support, tmj position

Question 3

What are the types of removable dentures?

Answer 3

• tissue supported denture
• implant denture
• overdenture
• interm partial prosthesis
• immediate denture
• denture for primary teeth

Question 4

What is a tissue supported denture

Answer 4

replaces entire dentition, rests on the mucosal covered ridge

Question 5

What is an implant denture

Answer 5

supported in whole or part by one or more implants

Question 6

what is a overdenture

Answer 6

rests on one or more remaining teeth, tooth roots, and or implants

Question 7

what is an interm denture prosthesis

Answer 7

designed to enhance esthetics, stabilization, and fuction for a limited period after which it will be replaced by a definative prosthesis

Question 8

WHat is an immediate denture

Answer 8

fabricated for placement immediately following the removal of a natural tooth or teeth

Question 9

What is a denture for primary teeth

Answer 9

• replace teeth that may be congenitally missing or have been ext from rampant caries
• provide esthetics and function
• as permanent teeth erupt parts of denture are cut away
• caries prevention is initated to pretect permenant

Question 10

WHat happens with residual ridged after teeth have been removed

Answer 10

they are in a continual process of remodeling

Question 11

What undergoes resorption in an edentulous mouth

Answer 11

the alveolar bone

Question 12

How long do the major bony changes occur after teeth are removed

Answer 12

mostly in the first year but continues throughout life

Question 13

Mandibular bone loss is ________ times greater than maxillary bone loss

Answer 13

four

Question 14

What may need to be removed before a denture can be constructed?

Answer 14

Tori, and exostosis

Question 15

What does masticatory muscosa cover in an edentulous pt.?

Answer 15

edentulous ridges and hard palate (lamina propria and stratified squamous epithelium-keratinized)

Question 16

WHat does the lining mucosa cover in an edentulous pt?

Answer 16

floor of the mouth and vestibules and cheeks

Question 17

what is the submucosa?

Answer 17

unerneath the mucous membrane which is attached to bone, composed of CT with vessels nerves and glands

Question 18

what does the submucosa support?

Answer 18

its supports or cushions the denture, depends on the makup of the submucosa, varies throughout mouth

Question 19

Can you see the MGJ in an edenulous patient?

Answer 19

a line of demarcation similar to the MGJ is present

Question 20

Are the frenal attachments still observed in edentulous patients/?

Answer 20

yes

Question 21

How do you prepare a patient for new dentures?

Answer 21

• start well in advance of delivery day
• may be emotional
• give patient idea of what to expect
• denture satisfaction after delivery is due to contidioning before

Question 22

What is postinsertion care for an immediate denture?

Answer 22

• leave denture in for 24 to 48 hours after extraction

- pt returns to have denture removed, rinse and give instructions

Question 23

What is postinsertion care for new dentures over healed ridges?

Answer 23

• regular appts. 1st appt w/in 24 to 28 hrs
• limit instructions to basic care
• reptition over several appts
• written instruction
• denture cleaning methods

Question 24

What can alveolar ridge remodeling lead to ?

Answer 24

• loss of denture support, facial height, lip support
• increased chin prominence
• TMJ manfestations
• occlusal disharmony

Question 25

How does the patient compensate for bone changes?

Answer 25

- the way they wear and manage dentures - drug store remedies - denture adhesives shouldnt be used to compensate

Question 26

How do the tissues react to dentures?

Answer 26

- varies - one mouth may have thinning of mucosa and sub, particularly the epithelium - another mouth may have normal keratinization

Question 27

What are factors that influence the mucosa

Answer 27

- systemic - againg-thiner mucosa - denture and tissue hygiene - wearing denture constantly - xerostomia - fit and occlusion of denture

Question 28

What is the effect of xerostomia in denture wear

Answer 28

diminished salivary flow can influence tissue lubrication

Question 29

Why is lubrication important

Answer 29

saliva is needed for protection against frictional irritaion by the denture

Question 30

why is saliva important in denture retention

Answer 30

helps create suction of the denture

Question 31

How does the tactile sense change in a denture wearing patient?

Answer 31

- sensitivity diminished to small objects in mouth | - proprioception is lost due to abscence of PDL

Question 32

How does taste change in denture wearing patients

Answer 32

food has a different taste, taste buds of palate are covered, biofilm on dentures can alter taste

Question 33

What do we do with a denture patient?

Answer 33

do and intra and extra exam to look for mucosal leisons because they are asymptomatic

Question 34

What are the principal causes of leisons under dentures?

Answer 34

-ill fitting dentures -inadequate OH -continuous wearing of dentures -

Question 35

Why do ill fitting dentures cause leisons

Answer 35

- tissue changes occur over time | - pt may not been informed of having regular exam of dentures and mucosa

Question 36

why does inadequate OH cause leisions

Answer 36

- dentures and mucosa need daily care | - denures can accumulate heavy biofilm or calculus that may irriate mucosa, cause infection and inflammation

Question 37

Why does continuous wearing of dentures cause leisons

Answer 37

- mucosa needs rest | - allows tissue to recover in its natural environment

Question 38

What are contributing factors of inflammatory leisons

Answer 38

- denture trauma from fit occlusion or habits - OH - chemotoxic effect from cleaners - allergy to denture base - pt self treatment - continuous wear

Question 39

What is another name for localized inflammation

Answer 39

sore spots

Question 40

What is the appearance of localized inflammation

Answer 40

red, inflamed, ulcerated

Question 41

waht are contributing factors to a sore spot

Answer 41

tongue bite, trauma, foreign object under denture

Question 42

What is generalized inflammation caused by

Answer 42

candida albicans infection

Question 43

What form of oral candidiasis is a reoccuring disease common to denture wearers

Answer 43

denture stomatitis

Question 44

Whar are characteristics of Candida albicans

Answer 44

red, inflammed, burining, discomfort, bad taste,

Question 45

are denture wearers aware of they have candida albicans

Answer 45

usually not

Question 46

What is the etiology of candida albicans

Answer 46

-trauma, continual wear, decreased salivary flow, lack of denture cleanliness, attachement of biofilm to old dentures

Question 47

What patients are more prone to oral candidiasais

Answer 47

-depressed immune system, head and neck radiation therapy, antibiotic use

Question 48

What kind of tx is typical of oral candidiasis

Answer 48

antifungal, new denture, massaging tissue

Question 49

What are ulcerative leisons relate to?

Answer 49

overextended denture border

Question 50

What does an ulcer resemble?

Answer 50

a cancerous leison, should be biopsied if it lasts 2 weeks after adjustment

Question 51

What is the appearance of papillary hyperplasia

Answer 51

located on palate, rarely outside confines of bony ridges, group of closely arranged pebble shaped red edematous projections

Question 52

what are contributing factors of papillary hyperplasia

Answer 52

unknown

Question 53

what is papillary hyperplasia associate with

Answer 53

poor denture hygiene, ill fitting dentures, possibly C albicans

Question 54

What is another name for denture irritation hyperplasia?

Answer 54

epulis fissuratum

Question 55

What is the appearance of epulis fissuratum

Answer 55

long standing, chronic inflammatory tissue that appears in single or multiple elongated folds r

Question 56

what is epulis fissuratum related to

Answer 56

the border of an ill fitting denture

Question 57

What is the appearance of angular chelitis?

Answer 57

fissuring at angles of the mouth with cracks, ulcerations, and erythema, moist with saliva or dry with a crust

Question 58

What are contributing factors of angular chelitis

Answer 58

- lack of support of the commisure because of overclosure | - riboflavin deficiency or c.albicans infection

Question 59

what is used in treatment of angular chelitis

Answer 59

antifungal

Question 60

What is best for prevention of denture problems

Answer 60

``` denture hygiene care of oral mucosa rest for tissues diet and nutrition relief from xerostomia dental caries control ```

Question 61

When should dentures be cleaned

Answer 61

after each meal, cleansing solutions should be cleaned daily

Question 62

How should oral mucosa be cleaned

Answer 62

brush to clean and massage and preform digital massage

Question 63

What kind of rest should be provided for tissues

Answer 63

-out while sleeping, may cause TMD -daytime for as long as possilbe -keep in solution while out of mouth -

Question 64

teaching of food selection cant be ______

Answer 64

overemphasized

Question 65

What foods should be emphasized

Answer 65

-foods from basic food groups

Question 66

What should be controlled and avoided

Answer 66

weight, avoid foods that are related to specific chronic condiditons

Question 67

What may affect nutrition

Answer 67

learning to adapt to an inital denture

Question 68

What should a patient with a new denture be instructed to consume

Answer 68

soft diet to relearn to chew

Question 69

How can a patient get relief from xerostomia

Answer 69

saliva substitutes

Question 70

WHat is so important for overdenture wearers?

Answer 70

meticulous care of natural retained teeth

Question 71

What should over denture wearers with natural teeth use everyday?

Answer 71

fluoride

Question 72

When can a patient expect to need a reline,rebase or remake of a new denture?

Answer 72

6 months to 1 year

Question 73

What is the frequency of maintenance appointments with a denture wearing patient?

Answer 73

depends on patients needs and risk factors, seek care for discomfort

Question 74

Why do we mark dentures?

Answer 74

- legally required - ID patient in forensic dentistry - immediate identification - ID mislaid dentures in rest homes

Question 75

What is the criteria for marking a denture relative to the denture?

Answer 75

no effects on denture,must not compromise denture, cosmetically acceptable

Question 76

What makes a good marking procedure?

Answer 76

easy, simple, inexpensive, durable

Question 77

What are the characteristics that should be used in a marking system

Answer 77

fire and humidity resistant, raqiopaque

Question 78

How are new dentures marked?

Answer 78

enclosed insert in denture material, covered with acrylic

Question 79

what materials are used to make the id label of a denture

Answer 79

onionskin, tissue paper, metal strip, microchips, copper vapor abel

Question 80

how do you mark existing dentures?

Answer 80

make an indentation with a bur for the paper, cover with acrylic

Question 81

how to use a idelible pen or ballpoint for marking denture

Answer 81

put identification on, cover with fingernail acrylic, lasts 6 months

Question 82

How to use an engraving tool?

Answer 82

grooves created with engraver, darkened with a special pencil and then sealed

Question 83

What information should be included on a denture in a nursing home

Answer 83

name and intials

Question 84

what should be included on a denture marking in a community?

Answer 84

name, s security #, armed service #

Question 85

what other useful information should be included on a denture?

Answer 85

blood type, vital drug, disease or condition

Question 86

what markings are the most significant

Answer 86

information that will provide immediate identification