1
Q
- What teeth are recorded in Periodontal Screening & Recording for adults ?
- What teeth are recorded in Periodontal Screening & Recording for children
A
- All teeth
- 16,11,26
46,31,36
2
Q
What are the scores in PSR (periodontal screening & recording)
A
0,1,2,3,4
3
Q
What PSR code indicates calculus
A
2
4
Q
What PSR code indicates bleeding
A
1
5
Q
What does a PSR code 3 indicate ?
A
3.5-5.5mm pocket
6
Q
What does a PSR code 4 indicate ?
A
> 5.5mm pocket
7
Q
What does * indicate in PSR scoring ?
A
Furcation involvment, gingival recession >3.5mm, mobile tooth, mucosogingival problem
8
Q
- If code 3 PSR is recorded in one sextant, a comprehensive perio charting is necessary for_________
- If code 3 PSR is recorded in two or more sextants, a comprehensive perio charting is necessary for_________
A
- that sextant
- full mouth
8
Q
If code 4 PSR is recorded in one sextant, a comprehensive perio charting is necessary for_________
A
full mouth
9
Q
- PSR should be done on every new patient & ___________
- SBI/API should be done on every new patients &__________
A
- at least once a year
- every subsequent appointment
10
Q
- SBI <=______ is good oral hygiene
- SBI <=______ is very good oral hygiene
A
- 25%
- 15%
11
Q
What is the formula for SBI (Sulcus Bleeding Index) ?
A
(no. of +ve readings dental papilla / total no. of reading pts) X 100
12
Q
The interproximal of what teeth are not recorded in SBI
A
Between 11/12 & 31/41
13
Q
The interproximal of what teeth are not recorded in API
A
Between 11/12 & 31/41
14
Q
- API <=______ is good oral hygiene
- API <=______ is very good oral hygiene
A
- 35%
- 25%
15
Q
What is the sequence of things when PSR, SBI & API are all needed in one appointment
A
SBI > API > PSR
16
Q
What is the psi range of air pressure for air powder polishing
A
40-100
17
Q
What is the psi range of water pressure for air powder polishing
A
20-60
18
Q
What are 5 indications for air powder polishing
A
- removal of stain & biofilm on natural teeth
- removal of heavy tobacco
- removal of chlorhexidine stain
- prior to fissure sealant
- root detox for open surgical periodontal surgery
19
Q
What are the 5 types of powders ?
A
- sodium bicarbonate
- aluminum tryhydroxide
- calcium sodium phosphosilicate
- calcium carbonate
- glycine
20
Q
Prophy-mate neo is used for (natural/prosthetic) tooth
A
natural
21
Q
varios combi pro is used for (natural/prosthetic) tooth
A
natural & prosthetic
22
Q
perio-mate is used for (natural/prosthetic) tooth
A
natural & prosthetic
23
Q
Prophy-mate neo is used for (supra/sub)gingival
A
supra
24
varios combi pro is used for (supra/sub)gingival
supra & sub
25
perio-mate is used for (supra/sub)gingival
supra & sub
26
Calcium carbonate is_________abrasive
highly
27
Glycine is________abrasive
extreme low
28
Which air polish powder has pleasant sweet taste but with no sugar
glycine
29
Mohs number:
- sodium bicarbonate
- aluminum trihydroxide
- calcium sodium phosphosilicate
- calcium carbonate
- glycine
- 2.5
- 4
- 6
- 3
- 2
30
the nozzle of air powder is ______mm distance to the tooth
3-5
31
the nozzle of air powder is angled________degree to tooth surface
30-60
32
What are the 2 kinds of strokes for air powder polishing
constant small horizontal / tiny circular motions
33
In air powder polishing, never stay in one place for more than how long
5 seconds
34
By lifting foot off the pedal, air powder jet will continue to operate for______
few seconds
35
Soft powder is for (supra/sub) gingival use
supra ONLY
36
plus powder is for (supra/sub) gingival use
supra & sub
37
When is modified charters brushing recommended
orthodontic wires, brackets in place
38
When is fones (circular) brushing recommended ?
Children only
39
_________is also known as a concrement
subgingival calculus
40
Is subgingival calculus a primary cause of periodontitis ?
F, it is a secondary pdt of infection
41
Are (aerobic/anaerobic) generally more pathogenic in oral health
anaerobic
42
How does detachment occur in biofilm
some bacteria w/ protease destroy adhesins > detachment of bacteria > colonize other areas
43
T/F, subgingival biofilms metabolize sugars ?
F, they are proteolytic (metabolize proteins)
44
Microbiome is the whoole________________
collection of genes those microorganisms carry, unique to each person (like fingerprint)
45
Is material alba mineralized ?
No
46
Material alba is (firmly/loosely) attached to the surface
loosely
47
Is material alba structured
No
48
- Calculus is__________% inorganic
- Which is the major inorganic substance ?
- 70-90
- Calcium Phosphate
49
What is the approx. time required for formation of supragingival calculus ?
2 weeks
50
Supragingival calculus is located at___________sites
predilection
51
The mineral content of supragingival calculus is ~______%
37
52
Supraginigival calculus predominant minerals
- exterior layer:________
- inner layer:_______
- list 2 other minerals:_________
- Octa Calcium Phosphate (OCP)
- Hydroxyapatite
- Whitlockite, Brushite
53
Which mineral in supragingival calculus is found in recent calculus but NOT older than 2 weeks
Brushite
54
What is the hardness of supragingival calculus
moderate hardness
55
What is the hardness of subgingival calculus
high hardness
56
What are the 2 minerals found in subgingival calculus ?
Whitlockite (predominant), hydroxyapatite
57
(supra/sub)gingival calculus has higher adherence
sub
58
The mineral content of subgingival calculus is ~______%
58
59
- Supragingival BIOFILM is more strongly associated w/___________
- Subgingival BIOFILM is more strongly associated w/___________
- dental caries (may contribute to periodontal dz if left untreated)
- periodontal dz
60
List 2 initial (pioneer) colonizer during stage 1 of biofilm formation
Strep oralis & mitis
61
What is the step 1 of biofilm formation
Pellicle formation
62
Which bacteria plays an important role in the co-adhesion of biofilm formation
fusobacterium nucleatum
63
Supragingival biofilm is organized into a________structure w/ (more/less) extracellular polysaccharides
stratified, less
64
What is the clinical significance of subginigval biofilms
Srongly asso w/ periodontal dz, triggers host inflammatory responses leading to tissue destruction if left untreated
65
What by-products are produced by the metabolism of subgingival biofilms
volatile sulfur compounds, ammonia & protease > contribute to tissue damage
66
Intermicrobial (extracellular) matrix accounts for ~_____% plaque volume
25
67
What is Intermicrobial (extracellular) matrix
Materials between bactera & plaque
68
What are the 2 carbohydrates in the matrix of biofilm
Fructan, Glucan (Dextran, Mutan)
69
Which carbohydrates serves as energy storage in biofilm matrix
dextran (a glucan)
70
Which carbohydrates acts as skeleton in biofilm matrix
mutan (a glucan)
71
What are the 3 contributing sources of intermicrobial (extracellular) matrix in plaque
1. plaque microorganisms
2. saliva
3. gingival exudate
72
What are the 3 mechanisms for periodontal destruction
1. Enzymatic
2. Cytotoxic
3. Inflammatory
73
What are the 4 virulence factors of P. gingivalis
1. Gingipains (protease that cleave human proteins)
2. Capular polysaccharides (downregulate proinflammatory cytokines & immigration of PMNs)
3. Fimbriae (adhesion, invasion, colonization)
4. Enzyme PPAD (May protect bacteria against its own gingipains)
74
What are the 6 virulence factors of A. actinomycetemcommitans
1. LPS (endotoxin)
2. Leukotoxin (impact the fxn of leukocytes, destroys monocytes & granulocytes)
3. Immune suppression factor
4. Factors that impede fxn of fibroblast/endothelial/epithelial cells
5. Proteins that inhibit osteoblast & bone collagen synthesis
6. Proteases that degrade periodontal connective tissue
75
What causes excessive inflammatory response that could potentially lead to tissue destruction
LPS released by bacteria stimulate the pdtion of cytokines > cascade > tissue destruction
76
periodontal destruction:
What is the timeline of initial lesion ?
0-14 days
77
periodontal destruction:
What is the timeline of early lesion ?
2-6 weeks
78
periodontal destruction:
What is the timeline of established lesion ?
After 6 weeks
79
Is established lesion reversible ?
Yes
80
What is the predominant cell population of initial lesion ?
PMN
81
What are the clinical signs & symptoms of initial lesion
N/A
82
What is the predominant cell population of early lesion ?
T cells, langerhans cells
83
What are the clinical signs & symptoms of early lesion
erythema & oedema, bleeding on probing
not yet real pocket
84
What is the predominant cell population of established lesion ?
B cells & plasma cells
85
What are the clinical signs & symptoms of established lesion
erythema & oedema, bleeding on probing
pocket (false or pseudo)
86
What is the predominant cell population of advanced lesion ?
Mostly plasma cells & some B cells
87
What are the 3 cytokines/local factors that INHIBIT bone formation & stimulate bone resorption in periodontal dz
IL-1, PGE2, TNF-a
88
Dental papilla gives rise to which 2 things
dental pulp & odontoblast
89
Dental sac/follicle give rise to which 3 things
cementoblast, fibroblast, osteoblast
90
Is sulcular epithelium keratinized ?
No
91
Is junctional epithelium keratinized ?
No
92
Is oral epithelium keratinized ?
Yes
93
Papillary & reticular layers of connective tissue are made of which types of collagen fibers ?
1 & 4
94
Gingival epithelium sits on____________
basement membrane which are connective tissues (incl papillary & reticular layers)
95
What is the main fxn of gingival epithelium
- protect deeper structure
- allows selective interchange w/ oral enviorn.
96
Junctional epithelium is comprised of___________+_________
Oral epithelium + reduced enamel epithelium
97
Which part of gingival epithelium is firmly attached to tooth surface ?
junctional epithelium
98
The turnover of junctional epithelium is____-____days
4-6
99
What are the 2 organic contents of cementum ?
collagen type 1 & glycoproteins
100
Thickness of root cementum:
- coronally:______um
- apically:______um
- 16-60
- 150-200
101
_________can compensate for attrition/abrasion of enamel by increasing in thickness over time
root cementum (inc thickness by 2-3x in 60 years)
102
What are the 3 root cementum forming cells
cementoblast, cementocytes, fibroblast
103
What is the major structural component of Acellular Afibrillar Cementum >
glycosaminoglycans
104
What type of root cementum is located over CERVICAL ENAMEL @ CEJ
Acellular Afibrillar
105
What type of root cementum is located in CORONAL 2/3 of the root
Acellular Extrinsic Fiber Cementum
106
How is Acellular Extrinsic Fiber Cementum formed ?
Fibroblast produce collagen, cementoblast produce ECM
Mineralization of the two > Acellular cementum
107
What is cementum is found in apical portion of roots
Cellular Mixed-fiber Stratified Cementum
108
What cells does Cellular Mixed-fiber Stratified Cementum contain ?
cementoblast, cementocytes
109
What cementum is found in root surfaces undergoing repair following resorption ?
Cellular Intrinsic Fiber Cementum
110
What cells does Cellular Intrinsic Fiber Cementum contain ?
cementocytes
111
The width of PDL is _____-_____mm
0.15-0.38
112
Which 3 collagen types are found in PDL
I, III, XII
113
Distance of marginal alveolar bone to CEJ
vestibular:_______mm
lingual:_______mm
- 1-2.4
- 1.5
DMD 1
flashcards
Decks in class (27)
# Cards
-
Tooth Morph56
-
Module 1117
-
Module 2142
-
Module 3141
-
Cariology165
-
Module 4123
-
Module 5136
-
Module 6152
-
Perio43
-
Module 7140
-
Module 8102
-
Nutrition75
-
Prosthodontics100
-
Module 9105
-
Anatomy123
-
Module 10128
-
Module 1199
-
Module 12122
-
Tooth morph sem 210
-
Module 1366
-
Nutrition Sem 229
-
Perio114
-
Tooth con theory59
-
Module 14119
-
Module 15105
-
Radiology13
-
Module 1622
