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Implantology > Dr. Malek's lecture (all short ans. questions) > Flashcards

Dr. Malek's lecture (all short ans. questions) Flashcards

1
Q

Implant Success Criteria: Individual unattached implant that is _______ when tested clinically.

A

IMMOBILE (tested the same way as a normal tooth)

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2
Q

Implant Success Criteria: Radiograph that does not demonstrate evidence of periimplant ________.

A

radiolucency

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3
Q

Implant Success Criteria: Bone loss that is less than ___ mm annually after the implant’s first year of service.

A

0.2 mm annually

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4
Q

Implant Success Criteria: Individual implant performance that is characterized by an absence of persistent and/or irreversible signs and symptoms of ______, infections, necropathies, paresthesia, or violation of the mandibular _____.

A

pain…canal

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5
Q

Implant Success Criteria: A success rate of ___% at the end of a 5-year observation period

A

85%

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6
Q

Implant Success Criteria: ___% at the end of a 10-year observation as a minimum criterion for success.

A

80%

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7
Q

What is the main difference in biological attachment between a natural tooth and an implant?

A

the PDL…none on an implant

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8
Q

What is the main advantage of a bone level implant?

A

Esthetics-no metal color/control of emergence profile

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9
Q

What is the main disadvantage of a bone level abutment?

A

need a healing abutment for soft tissue managment

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10
Q

What is the main advantage of a tissue level abutment?

A

can do a 1 stage, soft tissue forms easier

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11
Q

How far do you want the end of your abutment to be from the adjacent CEJ again?

A

2-3mm

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12
Q

A ________ between your abutment and implant body can be the cause of bone loss

A

microgap

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13
Q

Perio Boards: Tell me how bone forms… What are the two ways?

A

1.Intramembranous 2. Endochondral

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14
Q

Perio Boards: Tell me how bone forms…What type of formation comes directly from Mesenchymal Connective Tissue

A

INTRAMEMBRANOUS

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15
Q

Perio Boards: Tell me how bone forms…Where are the 4 locations that Intramembranous bone formation are found?

A

1.MANDIBULO-CRANIOFACIAL COMPLEX 2.illium 3.clavical 4.scapula

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16
Q

Perio Boards: Tell me how bone forms…Which mechanism of bone formation is in intraoral bone augmentation?

A

INTRAMEMBRANOUS

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17
Q

Perio Boards: Tell me how bone forms…How does endochondrial bone formation work?

A

bone forms directly from pre-existing cartilage

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18
Q

What is the most common bone type for implant failure?

A

Type IV (thin cortical layer, low density trabecular)

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19
Q

Bone Biology: ________ bone-Poorly mineralized bone
Formed by multinucleated osteoclasts as they remove the blood clot or necrotic tissue immediately after implant placement

A

Osteoid bone

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20
Q

Bone Biology: ________ bone-Grows fast (100 μm per day)

A

Woven bone

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21
Q

Bone Biology: ________ bone-Random orientation of collagen fibrils….High cellularity…Limited mineralization

A

woven bone

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22
Q

Bone Biology: ________ bone-Poor biomechanics capacity……Grows by apposition or conduction using the implant as a scaffold

A

woven bone

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23
Q

Bone Biology: ________ bone-Forms 1-2 months under the effect of load

A

Lamellar bone

24
Q

Bone Biology: ________ bone-Parallel collagen fibers…..grows slowly-a few microns per day

A

Lamellar bone

25
Q

What is the most important factor when debating to use an immediate implant or not?

A

PRIMARY STABILITY

26
Q

Principles of bone regeneration: #1 bone supply aka _________

A

angiogenesis

27
Q

Principles of bone regeneration: Osteo_____ cell migration from defect periphery

A

GENIC

28
Q

Principles of bone regeneration: Well-vascularized ________ tissue formation

A

granulation

29
Q

Principles of bone regeneration: Biomechanically stable _______

A

scaffold

30
Q

Principles of bone regeneration: _______ bone and bone apposition within the defect AND THEN _______ bone formation

A

woven THEN lamellar

31
Q

Principles of bone regeneration: LETS GET IT! In a nutshell….WHAT ARE THE 6 steps of bone regeneration in progression?!?!

A

1.Angiogenesis 2.Osteogenic Cell Migration 3.Granulation Tissue 4.Scaffold 5.Woven bone 6.Lamellar bone

32
Q

Review-Bone Grafting material properties: _______-Contain bone forming cells

A

osteoGENIC (autograft)

33
Q

Review-Bone Grafting material properties: ________-Contain bone inducing substances

A

osteoINDUCTIVE (allograft)

34
Q

Review-Bone Grafting material properties: ________-Serve as a scaffold for bone formation

A

osteoCONDUCTIVE (alloplastic/xenograft)

35
Q

Review of the different bone grafting materials: _______-Self, osteogenic, osteoconductive, osteoinductive…very active so resorbs quickly, so place implant quickly!

A

Autograft

36
Q

Review of the different bone grafting materials:_______-Members of the same species, genetically
dissimilar….no worries, pretty stable so you can leave plenty of time between graft and implant placement

A

Allograft

37
Q

Review of the different bone grafting materials: ______-Another species, biocompatible, osteoconductive…pretty stable too, you can take your time to place an implant

A

Xenograft

38
Q

Review of the different bone grafting materials: ______-Synthetic, osteoconductive only…“perioglass” essentially just a space filler..

A

Alloplast

39
Q

Barrier membrane principles! _____ maintenance

A

space

40
Q

Barrier membrane principles! Prevent ______ migration (___mm/day!)

A

epithelial…0.05mm/day!

41
Q

Barrier membrane principles! Promote ingrowth of _______ cells

A

osteogenic

42
Q

Barrier membrane principles! Protect _______ in defect

A

blood clot

43
Q

What is the MAIN concept of a BARRIER MEMBRANE?!

A

CELL EXCLUSION!

44
Q

**What is the GOLD STANDARD for barrier membranes?

A

e-PTFE (expanded POLY - TETRA - FLUORO - ETHYLENE)…aka “GORTEX”..NON-resorbable

45
Q

Which membrane is utilized mainly for space maintenance only?

A

Titanium reinforced e-PTFE (expanded poly tetra fluoro ethelyne)

46
Q

Out of the resorbable barrier membrane options, which one is more biocompatible?

A

“natural” barrier membrane-animal collagen origin, enzymatic degradation…..synthetic cause inflammatory response

47
Q

Do resorbable barrier membranes maintain space?

A

No! No space maintenance!

48
Q

Siebert Class I bone loss is _______ in nature

A

horizontal

49
Q

Siebert Class II bone loss is _______ in nature

A

vertical

50
Q

Siebert Class III bone loss is _______ in nature

A

Horizontal and Vertical

51
Q

Which method of hard tissue grafting includes Regeneration of the supporting periodontal apparatus: cementum, periodontal ligament, alveolar bone

A

GTR…Guided Tissue Regeneration

52
Q

Which method of hard tissue grafting includes bone formation only and in 1959 cell-occlusive membrane used for spinal fusion

A

GBR…Guided Bone Regeneration

53
Q

What is the average amount of time after a bone graft before an implant is placed?

A

9 months

54
Q

Which SOFT tissue graft is used to GAIN ROOT COVERAGE?

A

Sub-epithelial connective tissue graft (also increases Keritanized gingiva & attached tissue)

55
Q

What are the two things that a free gingival graft accomplishes?

A

increases KG and increases attached tissue (DOES NOT GAIN ROOT COVERAGE!!)

56
Q

Final Comments on implants: _____-_____ COMMUNICATION!!!!

A

Peril-Pros COMMUNICATION!!!

Implantology (5 decks)

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