what is the 4 things in the periodontium? Correct Answer: alveolar bone
PDL
cementum
gingiva
*all things that touch PDL
demarcates the free gingiva (not bound) from the attached gingiva (bound) Correct Answer: free gingival groove
junction between the attached gingiva and the al...
perio - mental dental| 230 questions|
graded A| 40 PAGES
what is the 4 things in the periodontium? Correct Answer: alveolar bone
PDL
cementum
gingiva
*all things that touch PDL
demarcates the free gingiva (not bound) from the attached gingiva (bound)
Correct Answer: free gingival groove
junction between the attached gingiva and the alveolar mucosa (not bound)
Correct Answer: mucogingival junction:
initiating factor of perio disease Correct Answer: microbial plaque
erosion Correct Answer: caused by acidic foods/beverages or gastric acid
abrasion: Correct Answer: loss of tooth structure by mechanical wear (tooth-
brushing)
attrition: Correct Answer: occlusal wear from functional contacts with opposing
teeth (bruxism)
abfraction: Correct Answer: loss of tooth structure in cervical areas due to tooth
flexure (can b byproduct from above)
PD measures from where to where
CAL measured from where to where Correct Answer: PD - from gingival margin to
base of pocket
,CAL - from CEJ to base of pocket
CAL = Correct Answer: PD + recession
best measure of inflammation in periodontal tissue? Correct Answer: Bleeding on
probing
if you have SUPPURATION what cells would you have high # of? Correct Answer:
neutrophils
MILLER MOBILITY class
0
1
2
3 Correct Answer: 0 - physiologic
1- slightly more than normal
2 - moderately more than normal (≤1mm)
3 >1mm and vertically depressed
Furcation factors (inc chance of furc involvement) Correct Answer: short root
trunk
short root
roots are close
cervical enamel projection
HAMP classification (furcation)
0
1
,2
3 Correct Answer: 0 - no furc involve
1 <3mm
2: >3mm
3: thru and thru
GLICKMAN. (furcation)
1
2
3
4 Correct Answer: 1 Incipient - into the flute
2 Cul de sac - into the furca
3 through and through
4 through and through that you can see clinically
furcation is usually measured with what instrument Correct Answer: nabers
probe ( increments of 3mm)
NORMAL DISTANCE from CEJ to alveolar crest
bone crest should be ____ to line connecting CEJs Correct Answer: 2mm
Parallel
horozontal bone loss Correct Answer: bone stays parallel to line connecting CEJs
Vertical / angular bone loss is classified by Correct Answer: the number of bony
walls remaining
INFRABONY DEFECTS
, 1 wall
2 wall
3 wall
4 wall
most common? Correct Answer: 1- hemiseptal
2- crater (most common)
3- trough
4- circumferential (ext site)
Miller class (recession) 1-4 Correct Answer: 1- recession not to MGJ (no
interdental bone loss)
2- recession to MGJ or past (no interdental bone loss)
3- recession to MGJ or past (interprox bone loss)
4- recession to MGJ or past (severe interprox bone lost)
what does miller class (recession) determine
which ones can be fixed? Correct Answer: likelihood of root coverage
1 100%
2 100%
3 partial
4 none
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