Lab Mandibular Anteriors Flashcards

1
Q

% of manCI’s w 1 canal:

A

70%, 30% for 2

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2
Q

Root lengths starting from ManCI:

A

12.5, 14, 16 (1.5, then 2 inc)

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3
Q

Crown lengths starting w ManCI:

A

9, 9.5, 11 (0.5, then 1.5 inc)

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4
Q

% w 2+ canals at apex starting w central

A

2.7, 2.6, and 3.1%

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5
Q

ManCI facts:

A

narrow root, flat MD’ally, M/D developmental depression, smallest tooth

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6
Q

ManCI canal shape:

A

Narrow MD, wide LL, oval or ribbon, (straight distal or labial curvature) - all 3

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7
Q

2 canal classification systems:

A

Weine, Vertucci

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8
Q

Weine Classifications:

A

1, 2-1, 2, 1-2

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9
Q

Vertucci classifications:

A

1, 2-1, 1-2-1, 2, 1-2, 2-1-2, 1-2-1-2, 3

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10
Q

Access for ManCI:

A

oval, wider IG that MD (check)

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11
Q

% of ManLI w 1 canal:

A

75%, 25% for 2

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12
Q

% ManLI with more than 2 canals:

A

0.1%

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13
Q

% of ManCI w 3+ canals:

A

0.4%

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14
Q

Major difference bw ManLi and ManCI:

A

incisal edge twists to the DL in LI, laterally offset cingulum offset

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15
Q

Shape of ManLI root:

A

ribbon, narrow MD, wide LL, (straight, D, or labial canal curvature) same for all 3

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16
Q

Access for ManLI:

A

same as ManCI

17
Q

All tooth access shapes should be this wo pulp horns:

A

oval

18
Q

PCD sf:

A

Periapical Cementoosseous Dysplasia

19
Q

PCD:

A

benign, reactive non-neoplastic, fibro-osseous lesion, unknown etiology, bone around around vital apex initially replaced w fibrous CT and then by tissue mixture, cementum and bone

20
Q

3 phases of PCD:

A

radiolucent, mixed, radiopaque

21
Q

Common ppl and site for PCD:

A

African-American middle aged females, anterior mandibel

22
Q

% fo ManC’s w 1 canal:

A

78%, 22% have 2

23
Q

% of ManC’s with one canal at apex:

A

96.9%

24
Q

ManC’s canal shape:

A

narrow MD, very broad LL, straight, D, labial curvature of canal

25
Q

Are all access shapes for mandibular anteriors oval, tall IG?

A

check

26
Q

How to determine if 2 canals join?

A

MAf in, add 2nd small file, if small file can’t reach WL, they join

27
Q

To determine WL for 2nd of 2 joined canals:

A

stopper to reference point, WL for 2nd

28
Q

Approach the cleaning of 2 canals that join in this manner:

A

clean 1 completely, go to 2nd

29
Q

Most to least likely to have one canal for mand anteriors:

A

Canine, Lateral, central

30
Q

TF? All man anterior have either straight, distal or labial curvature to their roots.

A

T

31
Q

man anterior with depressions:

A

ManCI