Radiographic and other aids in periodontal diagnosis

Question 1

full series

Answer 1

1) establish baseline
2) permanent documentation
3) minimal of 18 intraoral films

Question 2

pano

Answer 2

1) minimal value in perio diagnosis
2) distorted

Question 3

radio axam is for

Answer 3

1) monitor clinical crown
2) interdental bone crest
3) PDL/LD
4) crown to root ratio
5) proximal calculus, margins
6) root morphology
5) MD tooth relationships

Question 4

benefits of radiographs

Answer 4

1) position of septal bone
2) adjunct to clinical exam
3) crown to root ratio
4) etc

Question 5

crestal lamina dura

Answer 5

1) lines the socket
2) perforated with blood vessels and nerves

Question 6

bone follows ___ in health

Answer 6

1) CEJ
2) if teeth are tipped, it will look like vertical defects, but there really isn’t

Question 7

vertical BWX

Answer 7

1) moderate to advanced periodontitis
1) better to see bone levels

Question 8

limitations of radiogrphs

Answer 8

1) B and L hard to see
2) hard to soft relationship hard to determine
3) no show pockets
4) treated and untreated hard to tell
5) cant tell bone morphology

Question 9

intrabony defects

Answer 9

1) 1-3 walls
2) never count the tooth
3) combination
4) hemiseptal
—
1) one wall
- high on one tooth, low on other
- hemiseptal
- osseous resective surgery
2) 2 wall
- bone on B and L, but it is like the tissue
in between is scooped out
- regenerative therapy
3) 3 wall
- B, interproximal, and L bone
- regenerative therapy

Question 10

signs of trauam

Answer 10

1) wide PDL
2) vertical defect
3) buttressing bone
4) furcation involvement

Question 11

apical lesions

Answer 11

1) visible when cortex is perforated
2) trabecular pattern

Question 12

important points

Answer 12

1) clinical attachment loss preceded alveolar bone loss by 6-8 mo
2) radiographs underestimated bone loss by 30-50%
3) conventional radiographs are poor indicators of periodontal disease

Question 13

digital subtraction radiography

Answer 13

1) digital image after extraction
2) digital image 1 month later
3) bone loss and deposition determined

Question 14

plaque control

Answer 14

1) mechanical
- toothbrush
2) chemical -

Question 15

toothbrushes

Answer 15

1) should be able to reach most areas
2) choice is individual pressure
3) soft brushing technique
4) lingual access technique
5) powered tooth brushes

Question 16

bass method

Answer 16

1) sulcular technique
2) brush is 45 degree to sulcus
3) gentle vibratory stroke

Question 17

modified stilman

Answer 17

1) for areas with gingival recession and root exposure
2) toothbrush places cervical area and shimmed back and forth and rolled down

Question 18

charters

Answer 18

1) gingival surgery
2) massaging healing tissue at 45 angle
2) short circular motions

Question 19

overzealous brushing

Answer 19

1) can lead to recession and abrasion
2) grittiness of toothpaste may affect

Question 20

floss

Answer 20

1) good for small embrasures
- waxed vs unwaxed
2) unless you need brush for bigger embrasures

Question 21

interdental brushing

Answer 21

1) proxabrushes
- for wide interdental spaces

Question 22

rubber tip

Answer 22

1) improve gingival contours

Question 23

end tuft

Answer 23

1) implants, pontics, hard to reach areas