Tamer Al-Sprinty Q1 Implants Flashcards Preview

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Flashcards in Tamer Al-Sprinty Q1 Implants Deck (95):
1

3 Major groups of Dental Implant:

Sub-periosteal

Transosteal

Edosteal

2

Sub-periosteal implants are large and made of Chrome Cobalt, which causes ____ and leads to infection

Resorption

3

Endosteal Mx, Mn, and ____ Blades

Ramus

4

don't use Endosteal Ramus Blade anymore. They fail and take up a good section of the Ramus

True

5

Epithelial migration caused infections on older, larger implants

True

6

Transosteal implant is a ________, and we no longer use it

Through and Through

7

Osseointigration was discovered by Branemark in the 60's with what material?

Titanium

8

Pure titanium is a little weak, so now we use Titanium alloy

True

9

Ceramics are the newest implant, used in Europe

True

10

3 Forms of Titanium alloy used in implant dentistry:

Which is most common?

Alpha

Beta

Alpha-Beta (most common)

11

Direct structural/functional contact between living bone and surface of a load-carrying implant

Osseointigration

12

Titanium is resistant to ________

Spontaneously forms coating of ________

This is inert and promotes bone formation on its

Corrosion

Titanium Oxide

surface

13

Gap between implant and bone can't be too large or too small

True

14

Don't overheat the implant site when drilling over ____ degrees C

47

15

There should be no micro motion of the implant

there should be no contamination of the implant

True

True

16

There should be ____mm of healthy bone Buccal/Lingual to the implant

1mm

17

If the Implant is mobile, a ____ encapsulation has formed instead of osseointigration

Fibrous

18

Peri-Implant radiolucency can be caused by what 3 things?

Contamination

Burn-out at tip (too hot) - no irrigation

Dense bone - burnout

19

If there is a mean Marginal Bone Loss of greater than _________ after 3 years, there was a problem with the implant

1.5mm

20

Short implants have a higher failure rate

True

21

Type I bone

Type IV bone

dense

trabecular

22

2 reasons Anterior Mn is good for implants:

Cortical Bone thick

Trabecular bone dense

23

Maxillary implants are less effective in the Posterior Maxilla for what 2 reasons?

Cortical Bone thin

Trabecular Bone diffuse

24

Contraindications for Implants: Pregnancy, uncontrolled ______, radiation, unrealistic _________

Diabetes

Expectations

25

The Healing Phase of Implants differs according to what?

Manufacturer

26

If pt is old, ad dexterity, lean toward removables

True

27

Machined surface Implants take ____ months for Osseointigration

6 months

28

2 Early Improvements on Machining Titanium:

Their problems:

Sand Blasted: contaminants

Plasma Spray: Giant cells/ macrophage reactive

29

Rough surfaces create better initial Anchorage

Accelerates biologic events leading to Osseointigration

True

True

30

3 Examples of Surfaces available now on Implants:

TiOBlast

Sand/Acid Etched

Double acid Etched

31

High Crystalline _________ as a coating is best available implant surface today

But there is also a ______ Metal that has proved highly effective

Hydroxyapatite

Trabecular

32

Trabecular Metal is made from __________

*element 73

Tantrum

*highly biocompatible

33

What measures Surface Osseointigration?

Bone Appositional Index

34

Bone Appositional Index is greater with rough surfaces

True

35

HydroxyApatite coatings is more bioreactive and leads to more rapid...

Healing

36

At 6 weeks Appositional Index is close to ____% for HydroxyApatite implants

___% for original titanium surfaces

70%

30-50%

37

Hydroxyapatite has more _____ than titanium coated controls

Bone Contact

38

Machined Ti success rate:

HA-coated Ti success rate:

95.2%

97.92%

39

T/F
Can't graft height in the Posterior Mn

True

40

Implants should be at least ___mm in length

___mm in diameter

10 mm

4 mm

41

Short and wide diameter implants are susceptible to overload due to unvaforable

crown/implant ratio

42

2 strategies used to eliminate Cantilever Effects:

Wide diameter

Multiple implants

43

Small diameter Implants can become loose or...

Fracture

44

If there is less than 1mm of bone Buccal/Lingual to an implant...

Graft

45

What system is Pure Titanium?

What is stronger?

Branemark

Ti alloy

46

Off axialed loading should be avoided most especially where?

2 reasons why?

Posterior Mx

increased forces, poor bone quality

47

Off axis loading of singe unit implant restorations increase stress where?

Vertical loading produces the lowest _____ to supporting bone

implant/cortical bone interface

stress

48

Where does off-axis loading increase stress in the Implant?

Neck

(at tip)

49

Where in the mouth should Implants be placed axial to occlusal loads?

Anterior can be off axis b/c forces used are _____ of those used posteriorly

Posterior Quadrants

1/4

50

Implant overload is rarely seen in the Anterior

True

51

Short and angled implants have high failure rates

True

52

Bone loss around Implants can be caused by what?

Infection, overheating bone, Cantilever, occlusal forces, off axis, implant type (too small), type of bone, crown:implant ratio off

53

It is preferable to Splint Implants in the Posterior - only do this if...

Good OH

54

Central contact of the Implant should be around the Axis Hole

True

55

If Implant is less than ___mm you should put 1 implant/tooth

If Implants are more than ___mm you can do 2 Implants to replace 3 teeth

13

13

56

2 Types of Cantilevers:

Buccal/Lingual

Mesial/Distal

57

What type of connection is preferred?

Internal

58

If the Occlusal Table is excessively wide, what type of cantiliever is created?

B/L

59

Avoid B/L Cantilevers by doing what?

Narrowing B/L occlusal table in Posterior Teeth

60

3 cases in which Cantilever is ok:

Mx LI *implant either in Central or Canine)

Mn Central *implant in Lateral

Complete Edentulous *Posterior

61

When in doubt, always add the 3rd Implat

True

62

2 Occlusal Factors to control to avoid Implant Overload

Cusp angles

Occlusal table width

63

You should avoid the use of Implants less than __mm

10mm

64

External Connections are susceptible to what?

Lateral forces tipping crown

*flexes,

65

What design eliminated rotational tipping and micro-movement of crowns on implants?

Internal Hex connection

66

Splinting has better distribution of forces and improved anti_______ features

rotational

67

2 reasons to not Splint in the anterior:

decreased forces

better bone

68

Splint the Anterior if you are working in ______

Pink Porcelain

69

Why don't we Splint to Natural Dentition?

PDL flex

Sinking tooth

70

Splinting to natural dentition causes what?

bone loss

sinking dentition

71

Eliminate what contacts on Posterior restorations?

Why?

working, balancing

no PDL

72

Anterior implant restorations can share some _____

Anterior Guidance

73

Can do Implant on smokers, but there is a higher failure rate

True

74

Pt must be available for ___weeks after Implant placement b/c _____

4 weeks

adjustments

75

If pt is Edentulous, what might not provide enough support?

what do we need for the support?

Fixed complete denture

Overdenture (has the flanges)

76

The more bone loss you have, the more options you have for the implant/denture set-up for Edentulous pts

True

77

Edentulous: less than 10mm to gingiva, use...

10-14mm, use...

15-20mm, use...

PFM

locator implant, overdenture, fixed detachable

locator, overdenture

78

Implants have longer crowns

true

79

In the fully edentulous, a high smile line might indicate what?

Over-denture

*avoids display of prosthetic border

80

Most commonly a smile reveals how far posteriorly?

2nd most common?

2 PM

equal between 1PM and 1M

81

Ideally there should be ___mm of keratinized mucosa around implants

3-4 mm

82

Thin scalloped gingiva does better with what?

Immediate Implants

83

PFM requires how much interarch space in the Posterior?

Overdenture?

Fixed complete (hybrid)?

5 mm

8-10mm

15-20mm

84

Anterior Single Crown: space btwn opposing tooth and implant abutment should be a minimum of...

1mm

85

A minimum of 1mm of B/L sides of implant will avoid _________

fenestration/dehiscence

86

M/D implant to tooth distance:

Inter-Implant minimum distance:

1.5-2 mm

3 mm

87

Keep the Implant at least ___mm away from the Mental Foramen

5 mm

88

Mn arch implants are usually placed anterior to what?

Mental Foramen

*5mm

89

The Inter-Foraminal distance on the Mn should be wide enough to place how many implants?

Ave distance:

4-5

47 mm

90

If you're using _______ instead of Wax, you don't have to re-cast

Pink Acrylic

91

The emergence profile of the Surgical Stent should be ____mm under the gingiva

1-2mm

92

What is GP for on the surgical guide?

radiograph

93

What is sent to Belgium?

Simplant

94

Implant is place ___mm deep of the Surgical Guide

3 mm

95

Implant failure in the Esthetic Zone is due to poor judgement/Tx planning

True

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