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implant 2 > 1/30 - intro > Flashcards

1/30 - intro Flashcards

1
Q

history of implantatolgy
beginning -
1800-1978-
1978 - present

A

beginning - 1800 - non scientific period

1800-1978 =trial and error

1978 - present = osseointegration

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2
Q

mplantatolgy
beginning -
1800

A

egyptian tooth replacement

gold and wood susbtituted as well as animal teeth were used as replacemetn teeth in 400 BC

roman specied - 100-200 AS

honduras 600 AD

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3
Q

1800-1978-

trial and error periord

A

endodontic implants

sub-periosteal

blade implants
5-6 years = 50-60% survival rates

staple implants
- 5 and 7 pins

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4
Q

osseointegration definition

A

direct bone anchorage to an implant body which will provide a foundation to support a prothesis , it is able to transmi occlusal forces directly to the bone

starts from bone to implant
- contact osteogenesis – osteoblast gets caught in fibrin mesh - slowly bone matures

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5
Q

classification of dentla implants

A
  1. position
  2. constituent material
  3. physical form
  4. surface coating
  5. coronal design
  6. surgical installation
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6
Q

position breakddown

A

subperiosteal
transosteal
endosseous

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7
Q

subperiosteal

- everything about it

A

2 stage

  • open and make impression of mandible - suture
  • lab makes supperperiosteal implant - reopen and place
  • can make denture and immediate load

take the form of a framework - resting on the srface of the jawbone
- not integrated

more common on lower and more common to be bilateral

more common for completely edentulous patients

bone resorption present - recommended

can support overdenture appliance

made from VITALLIUM and can be coated with hydroxylapatite

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8
Q

transosteal implants

everything about it

A

exclusively lower

inserted through jaw bone from underneath

vitallium and gold

under GA and in hospital

9-11 mm of bone height to remain

can be a mandibular staple or transmandibular implant

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9
Q

Brief description of endosseous implants

A

most commonly used implants

they are usually multiple, separate units that are subclassified according to their physical shape

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10
Q

coated implants?

A

tricalcium phosphate

hydroxyalapatite

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11
Q

materials used?

A

metals
- Majority of them – titanium alloy
ceramics
polymers

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12
Q

treated implants?

A

acid etched
sand blasted
laser etched

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13
Q

coronal design break down

A

external hex

internal hex

internal bevel, machined interlocked, morse taper

butt joint and flat top

polymer butt

external spline, internal spline

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14
Q

two stages

A

placement of implant and submerging it under the gingiva = which requires a second surgery to uncover

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15
Q

one stage implant

A

without submerging it under gingiva

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16
Q

immediate delay

A

placing of an imlant a few weeks after extraction

waiting for soft tissue to resolve

17
Q

immediate placement

A

extraction of a tooth and the placement of an implant in the etraction site at the same time

18
Q

immediate loading

A

the placing of a functinoal prosthesis shortly after implant plaement

19
Q

immediate prosthesis

A

placing of a nonfunctinoal prosthesis shortly after implant placement

NOT FUNCTINAL

20
Q

standards of success proposed by albrektsson, zarb and worthingoton, and eriksson in 1986?

A
  1. that an individual unattched implant is immobile when tested clinically
  2. that radiograph does NOT demenonstrate any evidence of peri-implant readiolucency
  3. that vertical bone loss be less than .2mm annually following the implants first year of service
  4. absence of peristent and or irreversible signs and symptoms such as pain, infections, neuropathies, paresthesia, or violation of mandibular canal
  5. that in the conext of #4 - a success rate of 85% at the end of a 5 year observation period and 80% at the end of a ten year period be a minimum criterion for success
21
Q

8 steps to implants (on mandible)

A
  1. full mouth x ray and pano
  2. impression for surgical template
  3. CT scan
  4. tx planning
  5. implant surgery
    4 MONTHS
  6. uncovering
    4 WEEKS
  7. fincal impression for prosthesis
    2-4 MONTHS
  8. case complete
22
Q

Limiting factor in posterior maxilla?

anterior maxilla?

A

sinus = posteiro

floor of nose = anterior

23
Q

how far from nerve must be

A

3 mm

+ need 1 mm around implant of bone (he prefers 2)

24
Q

what type of anesthetic and why

A

infiltration

b/c if block – and do get close to nerve they wouldnt know weither

25
Q

covering screw?

A

yes - cause soft tissue will grow into into it - so need to cover and suture it

if put healing abutment on here = one stage

26
Q

wait how long after placement?

grafting inmplation?

A

grafting - makes it 6

can uncover after 4 monht

27
Q

what type of cement does he use

A

temporary

28
Q

cover the screw with?

A

teflon tape - always

29
Q

blade implants

A

narrow ridges?
expand bone and place the blade in middle?

50% success == bad

30
Q

staple implants

A

TRANSOSTEAL

most successful of this time period

95% - but VERY INVASCIE

31
Q

fixed prosthesis in general

A

replaces only the crown

32
Q

hybrid replaces

A

teeth and gingiva

like denture but fixed

  • major downfall = hard to clean?
33
Q

if angulation off what tehcnique should you use?

A

cement retained

NOT screw

34
Q

best type of bone for placement

A

2 or 3

4 is too spongy and 1 is too cortical

35
Q

placement should be based on __ NOT ___

A

health NOT age

36
Q

smoking failure vs non

A

6-10% more failure than non smokers

37
Q

hybrid means

A

teeth and gingiva

  • lose some tissue and are replacing teeth and some of the soft tissue
  • ALWYAS SCREW RETAINED
  • only dentistcan remove
38
Q

main difference b/w screw retained and cmeent retained

A

cement retained = two pieces (abutment is screwed in - crown cemented on top)

screw = crown has chamber insude and there is onepiece

39
Q

immediate loading vs immediate restoration

A

loading = occlusal contact / funcitonal

implant 2 (11 decks)

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