Dental Hygiene II > Module 4 > Flashcards

Module 4 Flashcards

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1
Q

What are the purposes for wearing dentures?

A
  • replace missing teeth adn adjacent structures

- provide function

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2
Q

What adjacent structures do dentures restore?

A

facial contour, lip support, tmj position

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3
Q

What are the types of removable dentures?

A
  • tissue supported denture
  • implant denture
  • overdenture
  • interm partial prosthesis
  • immediate denture
  • denture for primary teeth
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4
Q

What is a tissue supported denture

A

replaces entire dentition, rests on the mucosal covered ridge

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5
Q

What is an implant denture

A

supported in whole or part by one or more implants

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6
Q

what is a overdenture

A

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

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7
Q

what is an interm denture prosthesis

A

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

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8
Q

WHat is an immediate denture

A

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

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9
Q

What is a denture for primary teeth

A
  • 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
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10
Q

WHat happens with residual ridged after teeth have been removed

A

they are in a continual process of remodeling

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11
Q

What undergoes resorption in an edentulous mouth

A

the alveolar bone

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12
Q

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

A

mostly in the first year but continues throughout life

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13
Q

Mandibular bone loss is ________ times greater than maxillary bone loss

A

four

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14
Q

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

A

Tori, and exostosis

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15
Q

What does masticatory muscosa cover in an edentulous pt.?

A

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

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16
Q

WHat does the lining mucosa cover in an edentulous pt?

A

floor of the mouth and vestibules and cheeks

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17
Q

what is the submucosa?

A

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

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18
Q

what does the submucosa support?

A

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

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19
Q

Can you see the MGJ in an edenulous patient?

A

a line of demarcation similar to the MGJ is present

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20
Q

Are the frenal attachments still observed in edentulous patients/?

A

yes

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21
Q

How do you prepare a patient for new dentures?

A
  • 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
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22
Q

What is postinsertion care for an immediate denture?

A
  • leave denture in for 24 to 48 hours after extraction

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

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23
Q

What is postinsertion care for new dentures over healed ridges?

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

What can alveolar ridge remodeling lead to ?

A
  • loss of denture support, facial height, lip support
  • increased chin prominence
  • TMJ manfestations
  • occlusal disharmony
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25
How does the patient compensate for bone changes?
- the way they wear and manage dentures - drug store remedies - denture adhesives shouldnt be used to compensate
26
How do the tissues react to dentures?
- varies - one mouth may have thinning of mucosa and sub, particularly the epithelium - another mouth may have normal keratinization
27
What are factors that influence the mucosa
- systemic - againg-thiner mucosa - denture and tissue hygiene - wearing denture constantly - xerostomia - fit and occlusion of denture
28
What is the effect of xerostomia in denture wear
diminished salivary flow can influence tissue lubrication
29
Why is lubrication important
saliva is needed for protection against frictional irritaion by the denture
30
why is saliva important in denture retention
helps create suction of the denture
31
How does the tactile sense change in a denture wearing patient?
- sensitivity diminished to small objects in mouth | - proprioception is lost due to abscence of PDL
32
How does taste change in denture wearing patients
food has a different taste, taste buds of palate are covered, biofilm on dentures can alter taste
33
What do we do with a denture patient?
do and intra and extra exam to look for mucosal leisons because they are asymptomatic
34
What are the principal causes of leisons under dentures?
-ill fitting dentures -inadequate OH -continuous wearing of dentures -
35
Why do ill fitting dentures cause leisons
- tissue changes occur over time | - pt may not been informed of having regular exam of dentures and mucosa
36
why does inadequate OH cause leisions
- dentures and mucosa need daily care | - denures can accumulate heavy biofilm or calculus that may irriate mucosa, cause infection and inflammation
37
Why does continuous wearing of dentures cause leisons
- mucosa needs rest | - allows tissue to recover in its natural environment
38
What are contributing factors of inflammatory leisons
- denture trauma from fit occlusion or habits - OH - chemotoxic effect from cleaners - allergy to denture base - pt self treatment - continuous wear
39
What is another name for localized inflammation
sore spots
40
What is the appearance of localized inflammation
red, inflamed, ulcerated
41
waht are contributing factors to a sore spot
tongue bite, trauma, foreign object under denture
42
What is generalized inflammation caused by
candida albicans infection
43
What form of oral candidiasis is a reoccuring disease common to denture wearers
denture stomatitis
44
Whar are characteristics of Candida albicans
red, inflammed, burining, discomfort, bad taste,
45
are denture wearers aware of they have candida albicans
usually not
46
What is the etiology of candida albicans
-trauma, continual wear, decreased salivary flow, lack of denture cleanliness, attachement of biofilm to old dentures
47
What patients are more prone to oral candidiasais
-depressed immune system, head and neck radiation therapy, antibiotic use
48
What kind of tx is typical of oral candidiasis
antifungal, new denture, massaging tissue
49
What are ulcerative leisons relate to?
overextended denture border
50
What does an ulcer resemble?
a cancerous leison, should be biopsied if it lasts 2 weeks after adjustment
51
What is the appearance of papillary hyperplasia
located on palate, rarely outside confines of bony ridges, group of closely arranged pebble shaped red edematous projections
52
what are contributing factors of papillary hyperplasia
unknown
53
what is papillary hyperplasia associate with
poor denture hygiene, ill fitting dentures, possibly C albicans
54
What is another name for denture irritation hyperplasia?
epulis fissuratum
55
What is the appearance of epulis fissuratum
long standing, chronic inflammatory tissue that appears in single or multiple elongated folds r
56
what is epulis fissuratum related to
the border of an ill fitting denture
57
What is the appearance of angular chelitis?
fissuring at angles of the mouth with cracks, ulcerations, and erythema, moist with saliva or dry with a crust
58
What are contributing factors of angular chelitis
- lack of support of the commisure because of overclosure | - riboflavin deficiency or c.albicans infection
59
what is used in treatment of angular chelitis
antifungal
60
What is best for prevention of denture problems
``` denture hygiene care of oral mucosa rest for tissues diet and nutrition relief from xerostomia dental caries control ```
61
When should dentures be cleaned
after each meal, cleansing solutions should be cleaned daily
62
How should oral mucosa be cleaned
brush to clean and massage and preform digital massage
63
What kind of rest should be provided for tissues
-out while sleeping, may cause TMD -daytime for as long as possilbe -keep in solution while out of mouth -
64
teaching of food selection cant be ______
overemphasized
65
What foods should be emphasized
-foods from basic food groups
66
What should be controlled and avoided
weight, avoid foods that are related to specific chronic condiditons
67
What may affect nutrition
learning to adapt to an inital denture
68
What should a patient with a new denture be instructed to consume
soft diet to relearn to chew
69
How can a patient get relief from xerostomia
saliva substitutes
70
WHat is so important for overdenture wearers?
meticulous care of natural retained teeth
71
What should over denture wearers with natural teeth use everyday?
fluoride
72
When can a patient expect to need a reline,rebase or remake of a new denture?
6 months to 1 year
73
What is the frequency of maintenance appointments with a denture wearing patient?
depends on patients needs and risk factors, seek care for discomfort
74
Why do we mark dentures?
- legally required - ID patient in forensic dentistry - immediate identification - ID mislaid dentures in rest homes
75
What is the criteria for marking a denture relative to the denture?
no effects on denture,must not compromise denture, cosmetically acceptable
76
What makes a good marking procedure?
easy, simple, inexpensive, durable
77
What are the characteristics that should be used in a marking system
fire and humidity resistant, raqiopaque
78
How are new dentures marked?
enclosed insert in denture material, covered with acrylic
79
what materials are used to make the id label of a denture
onionskin, tissue paper, metal strip, microchips, copper vapor abel
80
how do you mark existing dentures?
make an indentation with a bur for the paper, cover with acrylic
81
how to use a idelible pen or ballpoint for marking denture
put identification on, cover with fingernail acrylic, lasts 6 months
82
How to use an engraving tool?
grooves created with engraver, darkened with a special pencil and then sealed
83
What information should be included on a denture in a nursing home
name and intials
84
what should be included on a denture marking in a community?
name, s security #, armed service #
85
what other useful information should be included on a denture?
blood type, vital drug, disease or condition
86
what markings are the most significant
information that will provide immediate identification
Dental Hygiene II
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