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implant 2 > 2/6 > Flashcards

2/6 Flashcards

1
Q

B-L width relevance to implant diameter?

A

B-L width 2mm MORE than implant diameter

2 mm bone on either side of B and L

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2
Q

alveolar bone above IAN canal or below max sinus

A

10 mm

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3
Q

relation of ma centrals to incisive papilla?

mean distance b/w most ant. point of ma central incisors and posterior border od paapilla

A

12.454 mm

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4
Q

min and max implant diameter/

A

3 mm = min

7 mm = max

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5
Q

min and max implant length

A

min = 7 mm

max = 20 mm

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6
Q

extract tooth and wait 2 weeks called?

A

delayed immediate

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7
Q

closed trey impression basics

A

closed tray impression coping

material syringed

coping stays in mouth with closed tray
- then unscrew and put this into lab analog

need to know diameter of implant and brand
- lab analog needs to match

put back into the impression

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8
Q

closed or opern more accurate

A

open

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9
Q

positioning jig

A

needed when custom abutment comes back

- helps make sure abutment is in right orientation

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10
Q

wax on top when taking impression?

A

to make sure it is flush

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11
Q

tissue level in

A

straumann

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12
Q

what implant system to use?

A

• Published paper on safety and efficacy  JOURNAL
o 5+ years, independent research
• Internationally available!
o Want to be able to accommodate patients who travel/move
• Established
• Has ALL components you need  fixed remo, prefabricated abutments, screw retained, cement retained

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13
Q

crown to root that is too short

A

2:1 CR implant too short

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14
Q

one of first questions to ask when thinking about what system to use

A

○ You need to have research from an independent university research about safety and efficacy
○ Five years published
○ That is the only valid pulibilcation that you can accept

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15
Q

when topography is similar to bone?

A

it is easier for osseonitegration to happen

like acid etch
sand blasting

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16
Q

use of external hex

A

not anymore

17
Q

popular systems

A

Nobel biocare, 3i, Zimmer, Straumann

● Nobel biocare had26% of market in 2002
● 3i

18
Q

helaing abutment size

A

size of implant going to restore

19
Q

trichannel is

A

nobel biocare

20
Q

neck design

A

o Shape (parallel, taper, concaved taper)
o Length (0-3mm)
o Texture (machined, micro-groove, HA-coated)
 Sand-blasting, like microscopic bombs
 Acid etched  topography becomes similar to bone

21
Q

autografts

A

same person
examples
- ramus, chin, hip

angle of mandible - adds height and width

22
Q

allografts

A

same species

- example = demineralized freeze / dried bone

23
Q

xenograft

A

different species

- bovine mineral material like BioOss

24
Q

alloplast

A

synthetic bone graftin materials

- tricalcium phosphate, HAP, coral

25
Q

D1 BONE

A

MOST COMPACT
- not enough marrow to supprt implant
- 6% in anterior mandible
3% in posterior mandible

26
Q

find d2 bone more

A

mandible
66% on anterior mandible and 50% on posterior mandible as compared to

25% on anterior maxilla and 10% on posterior maxilla

27
Q

find d3 bone more where

A

on maxilla 65% on anterior maxilla
and 50% on posterior maxilla

as compared to
25% on anterior mandible and 46% on posterior mandible

28
Q

d4 bone?

A

not dense enough

10% in anterior maxilla and 40% posterior maxilla

3% on anterior mandible and 1% on posterior mandible

29
Q

we want what type of bone

A

2 and 3

find 2 more on mandble and 3 more on maxilla

30
Q

lit review by goodman in terms of endo tx, extraction and implant crown, FPD, or extraction without tooth replacement

A

A systematic review by Goodacre was conducted to compare the outcomes of endodontic care and restoration compared to extraction and placement of implant supported crowns (ISC), fixed partial dentures(FPD), or extraction without tooth replacement. Success rates for ISCs were found to be higher than for RCTs and FPDs respectively.

31
Q

study done regarding implants in cirriculum

A

more onvolvment in predoc = more involvment placing implants in clinical practice

32
Q

things to consider in single tooth replacement

A

perio health
crown lengthening needed?
positin?
root length? - like canine - long root vs blunted root

cost of CLP and endo cast post core or implant

33
Q

considr in mutli-rooted teeth

A 
position 
crown lengthening?
furcation involvment?
- like where would you be after crown lengthening 
cost 
perio health
34
Q

implant vs bridge consideration list!!!*

A

patient desire!

anatomical considerations
- nerve, root proximity, lack of bone

abutment distance

abutment conditions

    • broken down adjacent teeth? or teeth with large fillings?
  • could place an implant and two crown OR bridge

occlusion

cost

35
Q

impression to lab for

A

positioning jig for abutments created

36
Q

splinting - general

A

forces are divided between two implants

lateral forces are spread vs just going to one implant

37
Q

3 implants next to each other? splint?

A

only time this would fail is if we ended up with a posterior cantilever

but other case - if one fails - we can take out bad implant and fill in with acrylic and use other two as support

38
Q

longer 4 unit cantilever make sure have

A

parallel walls and a long bevel - wih mesial cantilever over posterior

need strong contact between cantilever and tooth
- prevent pocelain from fracturing

39
Q

anterior case he showed us with missing incisor on mandibular anterior tx options

A
  1. ortho
  2. long span bridge
  3. maryland bridge
  4. three unit bridge
  5. implant
  6. removable
  7. root canal and post and core and corwn

• If you take a tooth out, you need to make sure there is something to keep the papilla
o Tissue follows bone and this will flatten out over time if there is nothing to hold this in place

implant 2 (11 decks)

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