11/5: Interpretation of Perio Disease

Question 1

destructive inflammatory disease affecting supporting structures of the teeth

Answer 1

periodontal disease

Question 2

only soft tissues involved

Answer 2

gingivits

Question 3

soft tissues and supporting bone affected

Answer 3

periodontitis

Question 4

major cause of tooth loss over 35

Answer 4

periodontal disease

Question 5

severity of periodontal disease depends on

Answer 5

age
plaque
biofilm flora

Question 6

what are the predisposing factors?

Answer 6

plaque
salivary immune factors
cell mediated hypersensitivity with crevicular plaque
local dental factors

Question 7

list the local dental factors

Answer 7

poor restoration
calculus
tilted/rotated tooth
thin bone

Question 8

what are the clinical signs of periodontal disease (NOT RADIOGRAPHICAL)

Answer 8

edema/erythrema
loss of epithelial attachment and pocket formation
bleeding on probing
purulence

Question 9

what is a favorable immune response?

Answer 9

pink gums

Question 10

what are you looking for in the bone when doing radiograph exam?

Answer 10

quanity based on root length
quantity based on crestal evaulation
quality
furcation
PDL space

Question 11

this is >75% of existing dentition

Answer 11

generalized

Question 12

what are we looking for on the roots?

Answer 12

length
shape
crown:root ratio

Question 13

do we look for proximity of roots to other teeth?

Answer 13

Yes

Question 14

types of root shapes?

Answer 14

converging
diverging
dilaceration

Question 15

this is an abnormal angulation in the root, usually caused by trauma, idiopathic

Answer 15

dilaceration

Question 16

what can support teeth during perio disease?

Answer 16

dilaceration
hypercementosis

Question 17

calculus can be best demonstrated with what?

Answer 17

brightness

Question 18

this is uniform apical movement of the alveolar crestal bone between adjacent teeth

Answer 18

HBL

Question 19

this is space within unerupted teeth

Answer 19

follicular space

Question 20

what is HEALTHY posterior dentition?

Answer 20

flat, cortical bone
<2mm from CEJ

Question 21

what is healthy anterior dentition?

Answer 21

pointed, cortical bone
<2mm

Question 22

this is slight crestal bone loss, <20% (1-2mm)

Answer 22

incipient bone loss

Question 23

this is 20%-50% bone loss

Answer 23

moderate bone loss

Question 24

this is 50% or more bone loss and VBD

Answer 24

advanced bone loss

Question 25

in anterior incipient bone loss, what do you see?

Answer 25

blunted peaks, non-corticated bone

Question 26

Answer 26

healthy

Question 27

Answer 27

incipient bone loss

Question 28

Answer 28

moderate bone loss

Question 29

Answer 29

moderate bone loss

Question 30

Answer 30

advanced bone loss

Question 31

Answer 31

advanced bone loss

Question 32

Answer 32

within physiological levels

Question 33

this is angular bone loss along a root that more severely involves teh affected tooth than adjacent teeth

Answer 33

VBL

Question 34

this is loss of bone in the furcation area of a multi-rooted tooth

Answer 34

furcation defect

Question 35

can a furcation defect occur with a HBL or VBL?

Answer 35

both

Question 36

Answer 36

VBL with furcation defect

Question 37

how much deminerlization is necessary for radiographic changes?

Answer 37

40-50%

Question 38

can you observe 2-D infra-bony defects with radiographs?

Answer 38

very hard

Question 39

what are radiographic limitations?

Answer 39

40-50% deminerlization
2-D infrabony defect hard to see
No soft tissue visibility
hard to see B/Li surfaces
mobility

Question 40

what are perio disease tx options?

Answer 40

plaque control
antimicrobial agents
professional cleaning
surgical techniques

Question 41

will you ever get real image of cervical spine?

Answer 41

no