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Implant Dentistry > Introduction > Flashcards

Introduction Flashcards

1
Q

Approximately –% of adults aged 20 to 64 have no teeth and almost –%
of seniors (above the age of 65) have no remaining teeth.

A

5
30

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2
Q

The leading causes for teeth loss are (2)

A

caries and periodontal disease.

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3
Q

Approximately —% of US adults aged 20-64 had dental caries in 2011-2012, —% of
which suffered from untreated dental caries.

A

91
26

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4
Q

Periodontal disease affects —% of the population between 35-44
years of age and —% of people over 65 years of age.

A

75
95

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5
Q

— million Americans are missing at least one tooth, and more than — million are currently edentulous, 2/3 of which in both arches (ACP).

A

120
36

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6
Q

The success rate of dental implants has been
reported in the scientific literature to be around
–%.

A

98

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7
Q

Denture - –% of lost function restored

A

30

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8
Q

Removable Partial - –% of lost function restored

A

60

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9
Q

Fixed Dental Prostheses (Crowns
and Bridges)
(2)

A
  • 100% of lost function restored
  • Can be tooth or implant supported
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10
Q

DentalImplant

A

“A prosthetic device or alloplastic material
implanted into the oral tissues beneath the
mucosal and/or periosteal layer, and/or within the
bone to provide retention and support for a fixed
or removable dental prosthesis.”

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11
Q

skipped
H I S T O R Y O F I M P L A N T S

A

■As Early as 600AD Mayan Origin
■Modern Implant Dentistry Early 19thCentury
■Strock: 1931 Vitallium
■Formiggini:1947 Tantalum
■Chercheve: 1947 Chrome-cobalt
■Branemark: 1965 Titanium

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12
Q
  • Eposteal:
A

on/around the bone

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13
Q
  • Transosteal:
A

through the bone

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14
Q
  • Endosteal:
A

in the bone

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15
Q

■EPOSTEAL -

A

Subperiosteal

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16
Q

■TRANSOSTEAL -

A

Transmandibular

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17
Q

■ENDOSTEAL -

A

Blade and Root Form

18
Q

S u b p e r i o s t e a l I m p l a n t
■Early edition: 1941 by Dr. Gustav Dahl of Sweden
■Introduced in 1960 by Goldberg and Gershkoff
■Material
■Denture is
■Survival rate –% Ten years (Harvard Consensus)
■Indicated for
■Bone resorption leads to

A

Vitallium metal
implant supported / expensive
85
atrophic edentulous mandible.
mobility infection and loss

19
Q

T r a n s o s tea l I m pl a n t
■Introduced I. Small 1968
■Matieral
■–% Success rate at fifteen years (excellent)
■Only indicated for the
■Denture is — supported

A

Titanium metal
91
edentulous mandible
tissue

20
Q

Tr a n s o s t e a l I m p l a n t
Requires one surgery usually in the —.

A

hospital

21
Q

Tr a n s o s t e a l I m p l a n t
approach

A

External incision / approach.

22
Q

Tr a n s o s t e a l I m p l a n t
Excellent for the

A

atrophic mandible where root form implants would weaken the jaw.

23
Q

Tr a n s o s t e a l I m p l a n t
Complex surgical procedure therefore

A

not widely used.

24
Q

Tr a n s o s t e a l I m p l a n t
Restricted to the

A

anterior mandible.

25
Q

T MI : T r a n s m a n d i bu l a r I m p l a n t
■–% success rate
■– supported denture
■Used for severe
■Material
■Reversible –

A

97
Implant
atrophic mandibles <10mm
Gold Alloy, not titanium
can be removed due to design of
screws and degree of integration, but not easy
process

26
Q

T M I : T r a n s m a n d i b u l a r I m p l a n t
■Allows

A

facial muscles to be reattached to
improve facial profile

27
Q

T M I : T r a n s m a n d i b u l a r I m p l a n t
stage/approach

A

One stage, extra-oral approach (submental)

28
Q

T M I : T r a n s m a n d i b u l a r I m p l a n t
Eliminates

A

ridge augmentation or
vestibuloplasty

29
Q

E n d o s tea l I m pl a n t T yp e s
BLADE :
■Leonard Linkow 1969
■Material
■— stage/best for
■–% five year survival
■Most widely used until 1980

A

■Titanium metal
One, partially edentulous mandibles
75

30
Q

B l a d e I m p l a n t
■Early failures due to

A

heat at
preparation and immediate loading

31
Q

B l a d e I m p l a n t
■Drawbacks:

A

Difficult to prepare a
precision slot and if it fails, a large
section of bone is involved

32
Q

R o o t F o r m I m p la n ts
■Success rate greater than –%
■Indicated for
■Multiple uses:

A

90
partially and fully edentulous cases/any
area of the mouth (versatility)
overdenture, hybrid, crown and
bridge, ortho anchorage…

33
Q

R o o t F o r m I m p l a n t s
Historically multiple attempts made with a multitude of metals.
Became the standard with the research of Per-Ingvar Brånemark in
1970 and the Concept of Osseointegration.
(5)

A

■Titanium or an alloy of titanium-aluminum-vanadium metal(s)
■1 or 2 stage approach
■In office procedure
■Screws/Cylinders
■Machined or rough (to increase surface area for integration)

34
Q

Super I m p l a n t s : Z y g o m a t i c & P t e r y g o i d
Indicated when

A

there is no maxillary posterior bone

35
Q

Osseointegration

A

Brånemark introduced the term osseointegration and defined it
as “a direct structural and functional connection between
ordered, living bone and the surface of a load-carrying implant.”

36
Q

T I T A NI UM: 196 4 to P r e se n t
(3)

A

■Not recognized as a foreign object by the body
■Less host rejection than other metals/alloys
■Medicine also recognized utilization in joint replacements
and heart valves

37
Q

I m p l a n t Vs To o t h
(2)

A
  • Important distinction from
    natural dentition
  • Implants are not teeth and
    there is extensive evidence
    that they behave differently
38
Q

I m pl a n t V s T o o t h
Not susceptible to the same disease processes that
affect our dentate patients.
Teeth: (2)
Implants: (2)

A

*Caries
*Periodontal disease

*Peri-implantitis (bone)
*Peri-mucositis (soft-tissue)

39
Q

P r o g n o sis
Predictability of single implant fixture survival is in
the —% range

A

94-98

40
Q

I m p l a n t F i x t u r e L o s s
~—% of failures occur prior to the
placement of the restoration
~—% occur after the restoration
placement

A

55-60
40-45

Implant Dentistry (15 decks)

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