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Perio > Furcations > Flashcards

Furcations Flashcards

1
Q

The entrance to the mesial furcation/buccal/distal furactions are

A

M= 3, B= 4; D= 5

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1
Q

The entrance to the mesial furcation/buccal/distal furactions are

A

M= 3, B= 4; D= 5

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2
Q

Molars furcation locations?

A

Buccal and lingual about 1/2 way

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2
Q

Molars furcation locations?

A

Buccal and lingual about 1/2 way

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3
Q

Maxillary furcation locations

A

M= B-L ~2/3 toward palate; Buccal = midpoint M-D; Distal= midpoint B-L

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3
Q

Maxillary furcation locations

A

M= B-L ~2/3 toward palate; Buccal = midpoint M-D; Distal= midpoint B-L

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4
Q

Describe grades of Glickman furcations:

A

I: incipient but interradicular bone is intacts
II: Variable degree of bone loss in a furcation but not completely through
III: through and through with no recession
IV: same as III but recession and you can see through it now

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4
Q

Describe grades of Glickman furcations:

A

I: incipient but interradicular bone is intacts
II: Variable degree of bone loss in a furcation but not completely through
III: through and through with no recession
IV: same as III but recession and you can see through it now

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5
Q

Describe the Hamp classifications of furcations: (3)

A

Degree I: horizontal loss < 3 mm
Degree II: horizontal > 3mm but not total width
Degree III: through and through (same as glickman 3)

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5
Q

Describe the Hamp classifications of furcations: (3)

A

Degree I: horizontal loss < 3 mm
Degree II: horizontal > 3mm but not total width
Degree III: through and through (same as glickman 3)

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6
Q

ABC furcation classifications?

A

A= 1-3; B= 4-6; C= 7+

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6
Q

ABC furcation classifications?

A

A= 1-3; B= 4-6; C= 7+

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7
Q

What can a CBCT detect?

A

Furcations, Fusion of roots, Periapical lesions, root proximity, perio-endo lesions

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7
Q

What can a CBCT detect?

A

Furcations, Fusion of roots, Periapical lesions, root proximity, perio-endo lesions

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8
Q

With the CBCT, what did it detect vs. clinically?

A

27% confirmed; 29% overestimated; 44% underestimated

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8
Q

With the CBCT, what did it detect vs. clinically?

A

27% confirmed; 29% overestimated; 44% underestimated

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9
Q

There is a higher prevalence in what mandibular molar?

A

1st molars have higher prevalence FI. 1st also have shorter root trunks.

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9
Q

There is a higher prevalence in what mandibular molar?

A

1st molars have higher prevalence FI. 1st also have shorter root trunks.

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10
Q

List MAX roots shortest to longest

A

DB - MB - Palatal. HOWEVER, MB has the most surface area.

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10
Q

List MAX roots shortest to longest

A

DB - MB - Palatal. HOWEVER, MB has the most surface area.

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11
Q

In mandibular molars, which root is normally longer?

A

Mesial = more surface area so you would want to remove the distal

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11
Q

In mandibular molars, which root is normally longer?

A

Mesial = more surface area so you would want to remove the distal

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12
Q

What % of surface area is the mand molar root trunk?

A

~30%

12
Q

What % of surface area is the mand molar root trunk?

A

~30%

13
Q

In Max molars, which root has least surface area?

A

DB root has the least surface area so we would remove this.

13
Q

In Max molars, which root has least surface area?

A

DB root has the least surface area so we would remove this.

14
Q

Which root on MAX molar has the most surface area?

A

MB root > palatal > DB

14
Q

Which root on MAX molar has the most surface area?

A

MB root > palatal > DB

15
Q

Which molar has a wider furcation?

A

first molar

15
Q

Which molar has a wider furcation?

A

first molar

16
Q

What might inhibit you from finding a CIII FI?

A

intermediate bifurcational ridges

16
Q

What might inhibit you from finding a CIII FI?

A

intermediate bifurcational ridges

17
Q

Mand molars have concavities in which roots?

A

M= 100%; D=99%

17
Q

Mand molars have concavities in which roots?

A

M= 100%; D=99%

18
Q

Max molars have concavities in which roots?

A

MB: 94%; DB: 31%; P=17% but not very severe

18
Q

Max molars have concavities in which roots?

A

MB: 94%; DB: 31%; P=17% but not very severe

19
Q

Other than plaque, what other factors can predispose perio lesions?

A
  1. trauma from occlusion
  2. Cervical enamel projections
  3. Pulpal-periodontal dz
  4. Iatrogenic
  5. Root fractures
19
Q

Other than plaque, what other factors can predispose perio lesions?

A
  1. trauma from occlusion
  2. Cervical enamel projections
  3. Pulpal-periodontal dz
  4. Iatrogenic
  5. Root fractures
20
Q

Why is perio associated with trauma from occlusion controversial?

A

Bc the PDL at the roof of the furcation is horizontal and recieves lateral type crushing forces

20
Q

Why is perio associated with trauma from occlusion controversial?

A

Bc the PDL at the roof of the furcation is horizontal and recieves lateral type crushing forces

21
Q

Cervical enamel projections can cause perio bc?

A

plaque accumulation. Graded 1 -3 where 3 actually enters furcation.

21
Q

Cervical enamel projections can cause perio bc?

A

plaque accumulation. Graded 1 -3 where 3 actually enters furcation.

22
Q

What can contribute to a perio-endo lesion?

A

Accessory canals

22
Q

What can contribute to a perio-endo lesion?

A

Accessory canals

23
Q

What type of iatrogenic lesions can cause a FI?

A

overhang margin, pin perforation

23
Q

What type of iatrogenic lesions can cause a FI?

A

overhang margin, pin perforation

24
Q

Controlling GI

A
  1. Control of Inflammation (end tuff brush)
  2. Adjustment of Occlusion
  3. Closed Root Planing
  4. Open Root Planing
  5. Pocket Elimination
24
Q

Controlling GI

A
  1. Control of Inflammation (end tuff brush)
  2. Adjustment of Occlusion
  3. Closed Root Planing
  4. Open Root Planing
  5. Pocket Elimination
25
Q

Controlling GII degree I

A
  1. Scaling & root planing
  2. Local antimicrobials
  3. Maintenance
  4. Open flap debridement
  5. Pocket elimination
  6. GTR (with or without grafts).
25
Q

Controlling GII degree I

A
  1. Scaling & root planing
  2. Local antimicrobials
  3. Maintenance
  4. Open flap debridement
  5. Pocket elimination
  6. GTR (with or without grafts).
26
Q

Controlling GII degree II

A

osteoplasty and ostectomy sometimes is bad for deep furcations bc you might sacrifice support; might need endo?;
GTR
OFD

26
Q

Controlling GII degree II

A

osteoplasty and ostectomy sometimes is bad for deep furcations bc you might sacrifice support; might need endo?;
GTR
OFD

27
Q

Which is better for CII DII - membranes or OFD?

A

GTR

27
Q

Which is better for CII DII - membranes or OFD?

A

GTR

28
Q

Options for grade III furcations

A

Closed and open flap SRP OR Create a Grade IV Tunnel; Hemisections and crowning it; root resections;

28
Q

Options for grade III furcations

A

Closed and open flap SRP OR Create a Grade IV Tunnel; Hemisections and crowning it; root resections;

Perio (5 decks)

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