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Implantology > Exam 3-Dr. E's lecture-denture types n stuff > Flashcards

Exam 3-Dr. E's lecture-denture types n stuff Flashcards

1
Q

Out of 33 million edentulous patients only ___–___% have received implant treatment.

A

2-4%

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2
Q

_________ produces a customized milled abutment and framework with ideal emergence profile and shape to simplify the fabrication of a prosthesis.

A

CAD/CAM technology

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3
Q

CAD/CAM technology can produce customized _______ OR _______ abutment.

A

Ceramic or titanium

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4
Q

When trying to improve the facial profile and lip support, which prosthetic is the best option?? Which two prosthesis types would not do the job?

A

an Overdenture…a fixed complete denture or PFM bridge would not provide the support

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5
Q

What is the average lifespan for a denture?

A

5-7 years

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6
Q

In your clinical exam, ideally you would like a minimum of __-__mm of keratinized mucosa around implants

A

3-4mm

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7
Q

What are the 4 options for completely edentulous patients?

A

1.Removeable-locator over-denture 2.Removeable-bar&clip over denture (hader bar) 3.Fixed-Fixed detachable prosthesis (hybrid) 4.Fixed-PFM or all ceramic

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8
Q

What is the minimum number of implants needed for an o-ring over-denture?

A

2 implants

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9
Q

How many mm of bone are needed for a locator over-denture?

A

10 mm

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10
Q

Duplicating a denture can make a useful _______

A

surgical guide!

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11
Q

How frequently does the o-ring wear out?

A

every 4 months

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12
Q

The more angulation in the implants of a ball/o-ring over-denture, the more ______

A

wear on the denture

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13
Q

What are the two types of over-denture attachments?

A

ball/o-ring and locator

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14
Q

What is the advantage of a locator over-denture implant compared to a ball/o-ring?

A

it has a much lower profile!

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15
Q

Which over-denture attachment type would you use for a patient with limited interocclusal space?

A

a locator over-denture attachment

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16
Q

What feature of the locator over-denture helps reduce wear of the denture?

A

the metal housing

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17
Q

What are the three levels of retention for the male plastic caps in a locator over-denture? How much angle correction does each abutment yield?

A

1) 1.5lbs=blue..low 2) 3lbs=pink…medium 3) 5lbs=white/transparent…high——10 degrees correction per abutment

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18
Q

What is the usual amount of torque used when tightening a locator over-denture abutment?

A

15 N/cm

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19
Q

How far should the locator abutment extend over the tissue?

A

1 mm

20
Q

In a study printed in the Journal of Periodontology, researchers found that the cumulative survival rate of implant-placed overdentures was _____ percent for 10 years. The success rate for the maxilla (upper jaw) implant supporting overdentures was 87.3 percent and the mandible (lower jaw) was 99.5 percent. 


A

95.4 %

21
Q

BOOM! The CHEWING EFFICIENCY with an implant
overdenture is improved by ___% compared
with a traditional complete denture

A

20%

22
Q

When given the option of 5 locations to place your implants (ABCDE) in between the mental foramina, which two are ideal? Why?

A

B and D…less of a fulcrum compared to A and E, less anterior/posterior rocking of the denture

23
Q

A bar & clip over-denture requires ____ or _____ implants

A

2 or 4

24
Q

Ideal bar and clip overdenutre design is two direct retainers and a ______ clip

A

MIDLINE (makes a triangle shape)

25
Q

What is a really good advantage for combining the locator system with a bar?

A

attachment only needed once every 3 years

26
Q

A Fixed Detachable Prosthesis (aka Hybrid Prosthesis) requires ____ or ____ implants

A

4 or 5

27
Q

What is the minimum amount of space needed from the head of the implant to the plane of occlusion in a fixed-hybrid prosthesis?

A

15-20mm

28
Q

The metal framework for your prosthesis MUSH be a _______ fit!!!

A

PASSIVE

29
Q

What are the three indicators for using a hybrid prosthesis?

A
  1. space 2.number of implants 3.Anterior/Posterior Spread
30
Q

What is the English AP Spread Rule?

A

You can cantilever a hybrid denture 1.5x the A-P spread of the most anterior implant to the most posterior implant

31
Q

According the to the English AP spread, if I have 8mm of AP in the anterior how much can I cantilever past the most posterior implant?

A

12mm past the most posterior implant….(8mm x 1.5 = 12mm)

32
Q

Does a square arch form have an AP spread?

A

NO

33
Q

So the English AP spread is for the minimum amount of cantilever, what is the maximum amount?

A

AP spread x 2 (vs English = AP spread x 1.5)

34
Q

In this patient a combination of excessive cantilever length and insufficient A-P spread lead to implant _______ and a _______ remodeling response of the adjacent bone.

A

overload….resorptive

35
Q

Implant Supported Prosthesis- Mandible…MINIMUM Requirements: Length of implants….Minimum length = ____mm

A

10mm

36
Q

Implant Supported Prosthesis- Mandible…MINIMUM Requirements: Number of implants – Minimum number is _____ implants

A

4

37
Q

Implant Supported Prosthesis- Mandible…MINIMUM Requirements: Anterior-Posterior Spread Minimum amount is WHAT?

A

100mm!! (1cm :)

38
Q

How many implants are needed for a PFM implant supported prosthesis?

A

6 to 8 implants

39
Q

REVIEW: For the edentulous MAXILLA, you need ___ implants for a fixed-detachable (hybrid) prosthesis.

A

6 implants (4 implants ok, but know 6 for boards)

40
Q

REVIEW: For the edentulous MAXILLA you need ___ implants for a fixed PFM prosthesis.

A

8 implants

41
Q

REVIEW: For the edentulous MAXILLA you need ___ implants for a bar and clip over-denture prosthesis

A

4

42
Q

REVIEW: For the edentulous MAXILLA you need ___ implants for a locator over-denture prostheiss

A

4

43
Q

FOR THE MAXILLA what is the minimum amount of AP spread?

A

2 cm (remember only 1 cm needed for the mandible)

44
Q

FOR THE MAXILLA, the most DISTAL implant must be ___ in length

A

10mm

45
Q

Which is the most important factor as to why we place maxillary implants for a denture in the posterior?

A

PHONETICS!!

46
Q

What are the only disadvantages for implant supported dentures?

A

cost and time

47
Q

WHAT ARE THE THREE ABSOLUTE CONTRAINDICATIONS OF AN IMPLANT SUPPORTED PROSTHESIS???

A

1.Acute Illness 2.Pregnancy 3.Uncontrolled Metabolic Disease

Implantology (5 decks)

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