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BOARDs > EIT Skills > Flashcards

EIT Skills Flashcards

1
Q

Perio Staging

A
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2
Q

Perio Grading

A
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3
Q

Miller Classification of Mobility

A

Class 0:
* Normal physiologic mobility

Class 1:
* Slightly more than normal

Class 2:
* moderately more than normal (</= 1mm)

Class 3:
* severely more than normal (> 1mm) & Vertically depressable

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4
Q

Hamp Furcation Classification

A

Class 0:
* No furcation involvement

Class 1:
* Horizontal furcation involvement < 3mm

Class 2:
* Horizontal furcation involvement > 3mm

Class 3:
Through-and-through furcation invovlement

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5
Q

What are some factors that predispose a tooth to furcation involvement?

A
  • Short root trunk
  • Short Roots
  • Narrow interradicular dimensions (B/w roots)
  • Cervical enamel projections
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6
Q

Gingival Recession Classification

A

Type 1:
* recession w/no interproximal attachment loss
* Interproximal CEJ not detected clinically

Type 2:
* recession w/loss of interproximal attachment
* interproximal attachment loss </= buccal attachment

Type 3:
* recession w/interproximal attachment loss
* interproximal attachment loss > Buccal attachment

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7
Q

Prognosis: McGuire & Nunn

A

Good:
* Good control of hygiene
* High likelihood to maintain tooth w/proper maintenance

Fair:
* 25% CAL
* Class 1 Furcation-cleansable

Poor:
* 50% CAL
* Class 2 Furcation
* Maintenance possible but difficult

Questionable:
* >50% CAL
* poor clinical crown:root ratio
* Class 2/3 Furcation
* Class 2/3 mobility

Hopeless:
* Severe CAL
* ext suggested

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8
Q

Seibert’s Classification of Ridge Defects

A

Class 1=Horizontal

Class 2: Vertical

Class 3: Combination

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9
Q

Perio Tx Planning: Long Term Goal

A

Arrest CAL
Reduce Tooth Loss
Eliminate Pain
Stabilize Occlusal Function
Prevent recurrence

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10
Q

Phase 0 Tx planning

A

Tx emergencies
Ext hopeless teeth

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11
Q

Phase 1 Tx planning

A

Non-surgical
* Diet & Caries control
* OHI
* Pt education

Prophy/SRP + EIT
Local/Systemic Antibiotics

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12
Q

Phase 2 Tx planning

A

Surgical

Regenerate periodontal tissue & eliminate pockets
* includes implants and ends

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13
Q

Phase 3 tx planning

A

Restorative

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14
Q

Phase 4 tx planning

A

Maintenance
* Ongoing evaluation
* every 3 months for 1st year

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15
Q

Risk Factor

A

Causal Association
* Smoking causes perio

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16
Q

Risk Determinant

A

Unchangeable characteristic
* Genetics, Gender

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17
Q

Risk Indicator

A

Does not casual but still associated
* Stress

18
Q

Flap Design

A
  1. Wider base-adequate blood supply
  2. Incisions over intact bone– NOT over bondy defects or eminences
  3. Rounded Corners
  4. Vertical Releases at Line angles
  5. Avoid Vital Structures
19
Q

Partial Thickness Flap

A

Gingiva/mucosa, submucosa
* mucogingival surgery
* does not expose bone
* leaves vascular bed intact for grafting

20
Q

Full thickness Flap

A

Gingiva/mucosa, submucoa, periosteum

osseous surgery & periodontal regeneration

exposes bone
* expect 1 mm of resorption
* bad for thin bone where dehiscence/fenestraction likely

21
Q

If no response to SRP, whats next?

A

Open Flap Debridement

Osseous Surgery

22
Q

Open Flap Debridement

A

Increased access for SRP

3 incisions (Modified Widman)
1. Internal/Reverse Bevel- 1mm from margin
2. Sulcular-horizontal across crest
3. interproximal-removes tissue collar

Apically-repositioned Flap
* attain pocket reduction

Distal wedge
* Pocket reduction
* after 3rd molar ext
* max- parallel
* mand- V

23
Q

Osseous Surgery

A

Same as OFD, but recontours bone to resemble healthy periodontist

positive architecture
* interproximal bone is above radicular bone (normal)

24
Q

Ostectomy vs osteotomy

A

Ostectomy
* remove supporting bone

Osteotomy:
* remove non-supporting bone

25
Q

Regeneration vs Repair

A

Regeneration
* Complete restoration of architecture/function

Repair:
* not complete
* scarring/ form LJE

26
Q

Periodontal Pack

A

contains ZOE (Zinc oxide Eugenol)

1 week after surgery

27
Q

Gingivectomy vs Gingivoplasty

A

Gingivectomy
* excise supra bony pockets or enlarge gingiva

Gingivoplasty
* excise gingiva to reshape deformities
* heal by secondary intention due to NO PRIMARY CLOSURE

28
Q

Free Gingival Graft

A

Widen keratinized tissue

29
Q

Connective Tissue Graft

A

Root Coverage

30
Q

Frenectomy vs Frenotomy

A

Frenectomy:
* Completely removes frenum

Frenotomy:
* incision only

31
Q

Periodontal Regeneration

A

GTR-Guided Tissue Regeneration
* Regenerates bone, PDL, cementum

Barrier Membrane
* Prevents soft tissue downgrowth
* allows bone ingrowth
* non-resorabable: have to remove, but last longer
* resorbable: more common, resorbs quickly before optimal bone fill

Graft:
* osteoconductive: scaffold
* osteoinductive: progenitor cells-> osteoblasts
* osteogenic: make bone
* Autograft: you
* Allograft: Another human
* Xenograft: animal
* Alloplast: synthetic

Biologic Agent:
* creates environment conductive to tissue formation

32
Q

In wound healing, tissues populate from quickest to slow in what order

A

Epithelium
CT
PDL
Bone

33
Q

EDTA

A

expose collagen
might improve attachment

34
Q

Tetracyclines

A

congregate in GCF (Gingival Crevicular Fluid)

Doxycycline-1 dose per day

35
Q

Amoxicillin + Metronidazole

A

Amox: 500 mg TID
Metro: 250 mg TID

14 days

avoid alcohol

36
Q

Arrestin

A

Common intramuscular antibiotic

PD>/= 5mm, GAIN in CAL
* Local minocycline

37
Q

NSAIDs

A

inhibit prostaglandins that cause inflammation

38
Q

Bisphosphonates

A

inhibit osteoclasts

39
Q

SDD

A

Subantimicrobial Dose Doxycycline
* inhibit MMPs that destroy collagen

20mg TID for 3-9 mos

40
Q

What biologic agents are used in periodontal regeneration?

A

Emdogain

PDGF

41
Q

Critical Pocket Depth for SRP vs Surgical Therapy

A

SRP: 2.9 mm

Surgical Therapy (modified Widman flap): 4. 2 mm

PD above= attachment gain

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