chapter 52: removable prostethics

Question 1

type of denture that replaces one or more teeth in the same arch

Answer 1

partial denture

Question 2

also referred to as a denture, that replaces all the teeth in one arch

Answer 2

full denture

Question 3

removable prosthesis can replace their natural dentition. TRUE OR FALSE

Answer 3

FALSE

Question 4

extraoral factors when considering getting prosthesis

Answer 4

physical and mental health
motivation, 
age, 
occupation, 
dietary habits, 
social and economic factors.

Question 5

Individuals with poor ________ health may become agitated or concerned about having a denture in their mouth.

Answer 5

mental

Question 6

The dentist should explore all acceptable alternative treatment options before giving serious consideration to the request.

TRUE OR FALSE

Answer 6

TRUE

Question 7

Occasionally, patients’ major motive for having their teeth extracted and replaced with a prosthesis is for ______

Answer 7

esthetics

Question 8

A prosthesis for a young person must be designed to allow for ____ and accommodate for new teeth as they erupt.

Answer 8

growth

Question 9

Dietary Habits

______ oral tissue is an important aspect of removable prosthodontic success.

Answer 9

healthy

Question 10

Patients’ ____ about their oral health and appearance will help them decide whether dentures are important.

Answer 10

attitude

Question 11

The ability to pay for the treatment is a major _____ factor

Answer 11

economic

Question 12

whicih muscles contribute to retention and dunctional control of the prosthesis

Answer 12

facial muscle

Question 13

The presence of something foreign, such as a prosthesis, in the oral cavity can stimulate an _____ flow of saliva.

Answer 13

excessive

Question 14

if your patient has experienced a stroke or another type of neurologic disorder and there is paralysis, the prosthesis may make saliva control more ____

a) difficult.
b) easier

Answer 14

A. difficult

Question 15

what may be the cause of inadequate salivary flow

Answer 15

Physical conditions, medications, or radiation treatment

Question 16

Successful wearing of a removable prosthesis depends on the support provided by the _____ ______

Answer 16

alveolar ridge

Question 17

If the ______ ______ is at normal height and is evenly contoured, the alveolar ridge should provide good support, allowing for an even distribution for the stress of
mastication.

Answer 17

alveolar ridge

Question 18

Resorption occurs when the alveolar ridge has resorbed because of loss of ____ causing an uneven distribution of pressure on the prosthesis, which keeps it from fitting properly.

Answer 18

teeth

Question 19

Surgery that is sometimes perfomed to recontour the alveolar ridge

Answer 19

alveoplasty

Question 20

what happens as a normal process to the alveolar ridge after teeth are lost

Answer 20

decrease in size

Question 21

a poorly fitting prosthesis may cause irritation and sore spots, known as
____ ______ , on the oral mucosa.

Answer 21

pressure points

Question 22

a benign overgrowth of bone in a specific area

Answer 22

tori

Question 23

Depending on the type of prosthesis, it may be necessary to have the tori surgically removed before fabrication of the appliance is begun.

TRUE OR FALSE

Answer 23

true

Question 24

denture that replaces the missing teeth in a quadrant or arch.

Answer 24

removable partial denture

Question 25

where does the removable partial denture receive its support

Answer 25

underlying tissues & remaining teeth | that serve as abutments.

Question 26

This type of prosthesis is designed to distribute the forces of mastication between the abutments and the supporting tissues.

Answer 26

removable partial dentures

Question 27

Contraindications to a Removable Partial Denture

Answer 27

- A lack of suitable teeth in the arch - Rampant caries or severe periodontal conditions - Lack of patient acceptance for esthetic reasons - poor oral hygiene

Question 28

The basic components of a removable partial denture are :

Answer 28

``` framework connectors denture base retainers rests artificial teeth ```

Question 29

the cast metal skeleton that provides support for the remaining components of the prosthesis.

Answer 29

framework

Question 30

joins the various parts of the partial denture.

Answer 30

connector

Question 31

maxillary partial denture will have a ____ connector, and the mandibular partial denture will have a ___ connector.

Answer 31

palatal | lingual

Question 32

links the major connector to the base and other areas, such as rests and clasps.

Answer 32

minor connector

Question 33

the piece of rigid metal that joins the right- and left-quadrant framework of the partial denture.

Answer 33

the major connector

Question 34

a metal device built into a partial denture design to protect the abutment teeth from excessive occlusal weight and stress during mastication.

Answer 34

stress breaker

Question 35

advised for abutment teeth that have limited support in the alveolar ridge.

Answer 35

stress breaker

Question 36

also known as a clasp, is the portion of the framework that directly supports and provides stability to the partial denture by partially encircling or resting on an abutment tooth.

Answer 36

retainer

Question 37

approaches the tooth in a straight line from the apical direction and extends upward against the tooth

Answer 37

The I-bar retainer, or I-bar clasp

Question 38

originates at the occlusal surface of the tooth and extends downward, so that it partially encircles the tooth

Answer 38

. A circumferential retainer, or C-clasp,

Question 39

a metal projection designed to control the seating of a prosthesis as it is positioned in the mouth.

Answer 39

rest

Question 40

prevent the partial denture from moving in a gingival direction, which can place abnormal stress and wear on the abutment tooth. It also prevents passage of food between the abutment tooth and the retainer.

Answer 40

rest

Question 41

Two common types of rests are the following:

Answer 41

The occlusal rest (on the occlusal surface of the tooth. This placement minimizes trauma to the tooth ) The lingual rest (placed on the cingulum of the lingual surface of the tooth, where support is good, but away from visibility.)

Question 42

what are artificial teeth constructed from

Answer 42

acrylic resin or porcelain

Question 43

Placement of acrylic teeth with ____ or _____ teeth in the opposing arch often is a good compromise.

Answer 43

natural or porcelain

Question 44

____ teeth are more susceptible to fracture and tend to cause abrasion of the opposing natural teeth.

Answer 44

Porcelain

Question 45

______ teeth are lighter in weight, can be modified, and produce less noise, although there is a clicking sound during chewing

Answer 45

acrylin resin teeth

Question 46

______ teeth tend to wear faster and are more susceptible to staining.

Answer 46

acrylic

Question 47

Appointment Sequencing for a PARTIAL DENTURE

Answer 47

5 appointments: 1. records (dental history) 2. preparation ( shade and mold) 3. try in 4. delivery 5. post delivery

Question 48

A __ ___ minute appointment is usually adequate for delivery of the partial dentur

Answer 48

20-30

Question 49

Any changes in partial denture design are noted WHERE ?

Answer 49

laboratory prescription

Question 50

are designed to restore the function and esthetics of the natural dentition when all the natural teeth are missing.

Answer 50

Full dentures

Question 51

complete denture receives all its support and retention from :

Answer 51

underlying tissues, alveolar ridges, hard and soft palate, surrounding oral mucosa.

Question 52

Major Indications for a Full Denture Include the Following:

Answer 52

- fully edentulous patient - remaining teeth cant be saved - patient refuses alternative treatment

Question 53

Contraindications to a Full Denture Include the Following:

Answer 53

- alternative treatment - physical or mental illness that affects patients ability to cooperate - hypersensitive to denture materials - patient not interested in replacing missing teeth

Question 54

Components of a Full Denture

Answer 54

base, flange, post dam, artificial teeth

Question 55

the part of the base that extends over the attached mucosa from the cervical margin of the teeth to the border of the denture.

Answer 55

flange

Question 56

designed to fit over the residual alveolar ridge and surrounding gingival area.

Answer 56

base

Question 57

The base is commonly made from ________ . To provide additional strength, however, it may be reinforced with a metal mesh embedded in the acrylic.

Answer 57

denture acrylic

Question 58

Retention of a maxillary denture depends on the suction seal known as the

Answer 58

post dam aka posterior palatal seal

Question 59

not included in dentures because space is needed in the posterior region to allow the patient to close, chew, swallow, and speak normally

Answer 59

third molars

Question 60

A full denture will have __ teeth per arch;

Answer 60

14

Question 61

Appointment Sequencing for a Full Denture

Answer 61

6 appontments 1. records 2. final impression 3. try in of baseplate and occlusal rim 4. try in 5. delivery 6. post delivery

Question 62

constructed on the master casts, is made of a semirigid material such as shellac and self-curing or heat-cured resins.

Answer 62

base plate

Question 63

a prosthesis that is placed immediately after the extraction of a patient's remaining teeth.

Answer 63

immediate denture

Question 64

placement of a _____ immediate denture is more common because it restores function and spares the patient the embarrassment of being without teeth.

Answer 64

maxillary

Question 65

resembles a clear plastic impression tray that duplicates the tissue surface of the immediate denture.

Answer 65

Surgical Template

Question 66

a full denture that is supported by the bony ridge, oral mucosa, and two or more remaining natural teeth or implants.

Answer 66

overdenture

Question 67

To permit the denture to fit snugly over the teeth without excessive bulk, the natural teeth are prepared by removing much of their bulk. The remaining tooth structure is protected with a ____

Answer 67

coping

Question 68

In the ___________ technique, only a minimal amount of tooth structure is removed, and the length of tooth remains almost the same

Answer 68

long coping

Question 69

In the ____________ technique, which is used only with endodontically treated teeth, tooth structure is greatly reduced and shortened.

Answer 69

short coping

Question 70

A patient should be scheduled ____ to evaluate the fit and to examine the oral tissues for subclinical irritation and dysplasia.

Answer 70

yearly

Question 71

_________ is used for diagnosing problems with partials and dentures at insertion and adjustment appointments.

Answer 71

Pressure-indicator paste

Question 72

placing a new layer of denture resin over the tissue surface of the appliance.

Answer 72

relining

Question 73

replaces the entire denture base material on an existing prosthesis without changing the occlusal relationship of the teeth.

Answer 73

rebasing

Question 74

reline _____ the prosthesis and a rebase _____the denture base.

Answer 74

resurfaces replaces

Question 75

One method used to rehabilitate unhealthy supporting tissues is to place a ____________ material for a short period, usually 3 or 4 days.

Answer 75

tissue conditioning

Question 76

what is in the tissue conditioner material

Answer 76

soft elastomer composed of powder and liquid