Implants Flashcards

1
Q

Osseointegration

A

The direct attachment or connection of vital osseous tissue to the surface of an implant without intervening CT

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2
Q

Implants cant tolerate ___forces

A

Horizontal

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3
Q

_____bone implant contact due to trabecular bone

A

60%

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4
Q

Implants and teeth may have

A

Different microbiota

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5
Q

Barrier epithelium

A

2 mm long

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6
Q

Zone of connective tissue

A

1-1.5 mm high

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7
Q

Collagen fiber bundles

A

Parallel to implant surface no actual attachment

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8
Q

Zone that is adjacent to implant surface is rich

A

From fibroblast but poor from blood vessels

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9
Q

Zone that is lateral direction and continuous with other zone is

A

Fewer fibroblasts but is rich in collagen fibers and blood vessels

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10
Q

Blood supply comes from

A

Supraperiosteal blood vessels

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11
Q

Since no blood from PDL chances of fighting bacteria

A

Is weaker bacterial challenge and slower healing time

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12
Q

Peri-Implant Mucositis

A

Reversible Inflammation of the mucosa surrounding the implant

  • Presence of bacterial plaque and calculus
  • Edema redness hyperplasia
  • BOP
  • Exudate/pus
  • no radiologic evidence of bone
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13
Q

Peri-Implantitis

A

Inflammatory reactions associated with loss of supporting bone around an implant in function

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14
Q

Peri-Implantitis lesions are characterized by

A

The presence of numerous neutrophils in the tissues surrounding the implant

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15
Q

There is direct contact between plaque on the implant and

A

Inflamed CT

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16
Q

Class I

A

Slight horizontal bone loss with minimal defects

17
Q

Class 2

A

Moderate horizontal bone loss with isolated vertical defects

18
Q

Class III

A

Moderate to advanced horizontal bone loss with broad circular bony defects

19
Q

Class 4

A

Advanced horizontal bone loss with broad circumferential vertical defects as well as loss of the oral and vestibular bony

20
Q

Occlusal trauma is a _____ etiology of implant disease and a _____of period

A

Primary

Secondary

21
Q

Implant should be surrounded with a minimum of

A

1 mm alveolar bone thickness

22
Q

6 mm BL ridge x 6 mm MD ridge you need to place a ____ implant

A

4x4 mm implant

23
Q

Minimum bone thickness between 2 implants

24
Q

Minimum bone thickness between an implant and a tooth

25
Coronal part of implant should be placed approximately
5 mm apical to adjacent CEJ
26
Timing of implantation
Maxilla 6 months | Mandible 3 months
27
Jumping distance
Distance that can be filled by new bone between implant and remaking host bone ideal is 20-40 um
28
24 hours
Resorption at cortical bone woven bone formation vascular formation
29
1 week
Reparative macrophages and undifferenatiaed mesenchymal cells
30
2 weeks
New bone formation detected at furcation sites of the implant surface
31
Up to 6 weeks
Callus formation and lamellar compaction within woven bone
32
Temporary decease in stability
After 6 weeks