Lab Mandibular Anteriors

Question 1

% of manCI’s w 1 canal:

Answer 1

70%, 30% for 2

Question 2

Root lengths starting from ManCI:

Answer 2

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

Question 3

Crown lengths starting w ManCI:

Answer 3

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

Question 4

% w 2+ canals at apex starting w central

Answer 4

2.7, 2.6, and 3.1%

Question 5

ManCI facts:

Answer 5

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

Question 6

ManCI canal shape:

Answer 6

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

Question 7

2 canal classification systems:

Answer 7

Weine, Vertucci

Question 8

Weine Classifications:

Answer 8

1, 2-1, 2, 1-2

Question 9

Vertucci classifications:

Answer 9

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

Question 10

Access for ManCI:

Answer 10

oval, wider IG that MD (check)

Question 11

% of ManLI w 1 canal:

Answer 11

75%, 25% for 2

Question 12

% ManLI with more than 2 canals:

Answer 12

0.1%

Question 13

% of ManCI w 3+ canals:

Answer 13

0.4%

Question 14

Major difference bw ManLi and ManCI:

Answer 14

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

Question 15

Shape of ManLI root:

Answer 15

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

Question 16

Access for ManLI:

Answer 16

same as ManCI

Question 17

All tooth access shapes should be this wo pulp horns:

Answer 17

oval

Question 18

PCD sf:

Answer 18

Periapical Cementoosseous Dysplasia

Question 19

PCD:

Answer 19

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

Question 20

3 phases of PCD:

Answer 20

radiolucent, mixed, radiopaque

Question 21

Common ppl and site for PCD:

Answer 21

African-American middle aged females, anterior mandibel

Question 22

% fo ManC’s w 1 canal:

Answer 22

78%, 22% have 2

Question 23

% of ManC’s with one canal at apex:

Answer 23

96.9%

Question 24

ManC’s canal shape:

Answer 24

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

Question 25

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

Answer 25

check

Question 26

How to determine if 2 canals join?

Answer 26

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

Question 27

To determine WL for 2nd of 2 joined canals:

Answer 27

stopper to reference point, WL for 2nd

Question 28

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

Answer 28

clean 1 completely, go to 2nd

Question 29

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

Answer 29

Canine, Lateral, central

Question 30

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

Answer 30

T

Question 31

man anterior with depressions:

Answer 31

ManCI