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Dentures 2 Quiz 2 > Quiz 3 > Flashcards

Quiz 3 Flashcards

1
Q

Surgical guides are

A

Clear rigid external surface form that duplicates the tissue surface of an immediate denture and is used as a GUIDE to ensure that the prescribed bone trimming is done adequately

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2
Q

Surgical guide uses

A

This template is utilized by the surgeon to ensure that the denture bearing area is reduced to fit the immediate denture

Used to locate pressure areas on mucosa at time of surgery and ensure bony reductions are sufficient and acceptable

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3
Q

Ridge alveoplasty necessary for

A

Accommodation of ICD

Reduction in pressure ulcers

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4
Q

When a tooth is extracted

A

A collapse of the free gingival tissue occurs and the contouring of the cast by scrapping between these lines is an attempt to compensate fro the anticipated collapse

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5
Q

Extractions should be

A

Atraumatic

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6
Q

Extractions should preserve

A

Hard and soft tissue as best as possible

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7
Q

Primary binding sites

A

Buccal

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8
Q

Secondary binding sites

A

Lingual

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9
Q

Blanching of the ridges

A

Indicates soft tissue/bone removal is still needed

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10
Q

Full thickness flaps

A

Only when absolutely necessary

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11
Q

_____reduction of bone is sometimes necessary to allow for restorative room

A

Vertical

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12
Q

Place tissue conditioner only if

A

Dentures are not retentive

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13
Q

Pressure indicating paste

A

Brushed on the intaglio surface to check for pressure areas especially in the canine a eminence and undercut areas

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14
Q

Clinical uses of tissue conditioners

A

Improves retention of the dentures

Act as protective resilient cushion

Act as dressing post surgery expedites healing

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15
Q

Follow up care instructions

A

Do not remove dentures for 24 hours

Will act as a compression bandages

Soft liquid diet

No exercise smoking spitting

Blood is normal

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16
Q

24 hour check up

A

Occlusion should be checked first

Ask patient where worst soreness is and perform visual exam

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17
Q

Soreness may develop on the

A

Crest of ridge or on slopes of the RR

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18
Q

Remounting goals

A

Refines the occlusion

Reduces interferences and occlusal contact discrepancies

Preserves edentulous tissue health

Reduces post interaction visits

Reduces pain during mastication

INcreases patient comfort and adaption

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19
Q

48-72 hour check up

A

Check for sore spots/ulceration

Check post extraction healing sites

Check for bilateral occlusal contacts

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20
Q

Plan for initial denture redline in

A

5-6 months

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21
Q

Denture Reline

A

The constant changing of the denture bearing areas follow insertion necessitate the resining of the denture base within 6 month post insertion

22
Q

What is a reline

A

Resurfacing the intaglio surface of an existing denture with new denture base material thus providing an accurate adaption to the new foundation area

23
Q

Lekholm and Zarb classification

A

1 dense bone

4 spongy bone

24
Q

Incorrect CR causes

A

Inflammation of the supporting tissues

25
Q

Retention and stability should be examined

A

Independent and assessed by exerting horizontal lateral and AP moments on the denture bases

26
Q

Well adapted dentures move

A

1-2 mm which is consistent with tissue displacebaility

27
Q

Denture movement or rocking

A

Indicates the need for reline procedures

28
Q

When loss of VDO is moderate

A

Reclining may be indicated

29
Q

When the loss of VDO is excessive

A

New dentures are indicated

30
Q

Rebasing

A

The lab process of replacing the entire denture base material on an existing prosthesis without changing the position or occlusal relation

31
Q

Types of reclines

A

Soft
Hard
Tissue conditioners

32
Q

Soft reclines

A

Minimal flow under stress-less viscous

Act as a shock absorber

Last longer than TC up to 3 months

33
Q

Tissue conditioners

A

Treatment of abused tissues

Flows under stress

Serves as a functional impression material

34
Q

Indications for tissue reclines

A

To correct deficient in fit and retain resulting from changes in the residual ridges

To compensate for inadequate previous final impressions: Underextended critical anatomical areas compromising retention

Denture flanges

35
Q

Underexteend denture flanges

A

Poor retention and stability

36
Q

Contraindications to denture reclines

A

When the loss of VDO is so excessive that thick impressions are necessary to restor the proper VDO

When the tissues are so altered from the original recorded in the denture that it cannot act as a reliable impression tray

When patients are dissatisfied with he esthetics fo their denture

When plane of collusion is significantly altered

When the denture borders are excessively short as a result of excessive adjustments

37
Q

Methods of relining CDs

A

Indirect

Direct chairside

38
Q

Tissue conditions

A

resilient polymehtlmethacrylate

39
Q

Elastoermic impression matierals

A

PVS

40
Q

Make sure the reline material thickness

A

Does not increase the patients existing VDO while relining the mandibular CD

41
Q

Denture reline procedure using tissue condition main faults

A

Rapid deterioration

Discoloration

Rapid loss of resilience

42
Q

Advantage of lab reclines

A 
resistant to water sorption
More durable
Maintains color
Excellent bond
Less porous
43
Q

Disadvantges of lab reclines

A

Cost of lab fee

Patient has to spend hours/days w/o denture
Monomer residue may cause irritation

44
Q

_____ dictates treatment option

A

Amount of bone resorption

45
Q

Implant OVD indications

A

anatomical deficiencies

When a flange is required for facial support

Economics

Dissatisfaction with conventional CDs

Possibility to transition to hybrids prosthesis

46
Q

OVD contraindications

A

Uncontrolled systemic disease

Uncontrolled metabolic disease

Pregnancy

IV ant restorative drugs

Acute illness

47
Q

Messing the ____ determines the abutment height

A

perimplant tissue height

48
Q

Locators require

A

7 mm vertical height plus teeth (15 mm)

49
Q

Causes of OVD fracture

A

Weakness of Thea cruylic resin due to insufficient resotive space

Excessive grinding of acrylic to make room for pick up

Bruxsim

50
Q

Bruxism OVD solution

A

Cast metal superstructure

51
Q

Advantages of implant assisted overdentures

A

Preserve/ stimulate the alveolar bone

Improve pt quality of life psychology and self esteem

Enhance prosthesis retentiona nd stability

Emotional

Health

Increaseind fucntion

52
Q

Disadvantages of assisted overdentures

A

Increased tx time and cost

Maintent oc nylon attachments/locators and denture bases

Dentures 2 Quiz 2 (3 decks)

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