G Ch 18

Question 1

Furcations are detected more by clinical exam in _____ molars

Detected more by rads in _____ molars

Answer 1

Mandibular

Maxillary

Question 2

Mandibular First Molar
Length from CEJ to furcation
Buccal
Lingual

Answer 2

3mm

4mm

Question 3

Maxillary First Premolars
Mesial
Distal

Answer 3

Both past 7mm

Question 4

Maxillary Molars
Buccal
Mesial
Distal

Answer 4

4mm
7mm
5mm

Question 5

N1 probe
N2

Which access what

Answer 5

N1 Mesial and distal furcations

N2 facial and lingual furcations

Question 6

Furcation:

Concavity can be felt with probe

Probe tip cannot enter the furcation area

Answer 6

Class I

Question 7

Furcation:

Probe tip can partially enter the furcation

Extends about 1/3 of tooth

NOT able to pass completely through

Answer 7

Class II

Question 8

Furcation:

Mand molars- probe passes completely through furcation

Max molars-probe touches the palatal (lingual) root

Answer 8

Class III

Question 9

Furcation:

Same as class III except furcation is visible due to tissue recession

Answer 9

Class IV

Question 10

Open triangle

Closed triangle

Answer 10

Class I

Class II

Question 11

Color blocked triangle

Color blocked diamond

Answer 11

Class III

Class IV

Question 12

Components of periodontal attached system

Answer 12

JE (gingiva to tooth)

PDL (one end to bone, other to cementum of root)

Alveolar bone (forms bony socket around tooth)

Gingival fibers (brace free gingiva against tooth)