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Cario > Teeth > Flashcards

Teeth Flashcards

(72 cards)

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1
Q

Silica

A

Abrasive

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2
Q

Sodium bicarbonate

A

Abrasive

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3
Q

Sulfur

A

Bactericidal

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4
Q

Calcium

A

Inhibits demineralization

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5
Q

Fluorine

A

Anticariogenic

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6
Q

Chloride

A

Inhibits calculus formation

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7
Q

Benzyl isothiocyanate

A

Antiocariogenic

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8
Q

Goadby

A

Acidogenic and proteolytic bacteria but no specific organism of dental decay and poly microbial disease

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9
Q

Clarke

A

Introduced microbial succession. Lactobacillus found in established Caries

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10
Q

Van houte found organisms involved were

A

Low ph non mutans streptococci but later identified atypical strains of plaque

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11
Q

Bifidobacteria

A

Aka gut inhabitants, Anaerobic and produce lactic acid

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12
Q

Beneficial species

A

Defectiva, parasanguins, Mitis, Oralis, sanguins

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13
Q

Saliva has immunoglobulins

A

IgG, IgM, IgA

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14
Q

Stimulation of parasympathetic nerve causes

A

Watery saliva with less organic material and vasodilation of the gland

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15
Q

Sympathetic results in

A

Mucous saliva and Inhibition of glands

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16
Q

Serous glands

A

Parotid - watery amylase rich - glossopharyngeal
Lingual - watery lipase - IX

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17
Q

Mixed glands

A

Subamandibular - mucin- facial
Sublingual - mucin - facial
Retromolar - mucin- VII and IX

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18
Q

Seromucous glands

A

Buccal and labial - mucin - VII

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19
Q

Saliva secretion steps

A

Primary fluid production - isotonic in acini
Saliva modification- hypotonic in ducts less electrolytes

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20
Q

Saliva contains

A

Cells
Bacteria
Calcium
K 2X than plasma
Enzymes

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21
Q

Increasing salivary flow rate results I

A

Increase in na cl and hco3 and reduction in phosphate and K

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22
Q

Clearance is delayed when

A

Unstimulated flow rate is low
Residual volume is high
V max is high

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23
Q

2 digestive enzymes

A

Lingual lipase - by glands on tongue
Amylase - salivary glands

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24
Q

Lactoferrin

A

Bacteria static and binds Fe

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25
Lysozyme
Attacks bacterial walls
26
Proline rich proteins
Protect enamel
27
Mucin functions
Tissue coating - role in enamel Pellicle, anti-microbial Lubrication Aggregation of bacterial cells
28
Statherins
Produced acinar cells Prevent crystallization of calcium phosphate in ductal saliva and oral fluid
29
PRP
Like statherin, very asymmetrical Inhibit Calcium phosphate growth Found in mature enamel pellicle Strong promoters of bacterial adhesion
30
SP produced by
Acinar cells of parotid and present in submandibular saliva Readily adsorbed
31
Myeloperoxidase
Derived from leukocytes gingival crevice antibacterial
32
Lactoferrin
Nutritional immunity by iron starvation of bacteria Using enterochelins better than Lactoferrin Degraded by proteases
33
Lysozyme aka muramidase
Hydrolysis of pepidoglycan later
34
Cystatins
Protective against unwanted proteolysis Affects calcium phosphate precipitation
35
Major buffer components
Phosphate Bicarbonate Salivary proteins
36
Phosphate system
Phosphate concentration decreases with increasing flow rate Best at 6.8 pH Major in unstimulated saliva
37
Bicarbonate buffer
Best at 6 pH 50% unstimulated and 90% stimulated due to flow dependent variAtions
38
Salivary proteins
Best at 5 or less pH Good for high and low pH
39
Stephan Curve
Shows effects on plaque pH after cariogenic challenge
40
Dental Carie’s
Acid dissolution of tooth mineral started by acidogenic bacteria in dental plaque which has been exposed to fermented sugars
41
CaF has
Lower solubility product than HA so it’s more stable
42
Salivary hyper function is called
Sialorrhea
43
Ethology of hypersalivation
Neurological Salivary Anatomy of hard or soft tissue
44
Normal saliva and hypo rates
Unstimulated .3-.5 ml/min .1 or less Stimulated 1-1.5, .5 women .7 men
45
Xerostomia tx
Pilocarpine, bethanechol, sialor
46
CHX
2X daily inhibits dental biofilm accumulation almost completely With thymol is good varnish 40%
47
CPC
Antibacterial but cleared quickly No anti cariogenic
48
CPP ACP
At night without brushing off Ca and phosphate ion saturation
49
Iodine
Antibacterial Broad spectrum Good for mutans
50
Arginine
Buffer dental plaque due to ionization of ammonium Cationic as anti septic Better with Fl
51
DEF index ____
Only captured cavitated lesions
52
ICDAS
Measure surface changes and depth of Carie’s
53
PUFA
Stages severe Carie’s
54
CAST
Stages early and severe caries
55
CCS is based on
Tooth surface Presence or absence of Caries Site of origin Severity of change Estimation of lesion activity
56
CCS examination done on a
Clean tooth Compressed air Adequate lighting Rounded explorer or ball end probe
57
Affected dentin?
Dentin exposed to bacterial acids but has not been infected by cariogenic bacteria
58
CCS assessment process includes
Identification and classification of lesions Recent restorations due to Carie’s Cavitated lesions Radiolucency
59
Enamel hypoplasia
Results from disrupted amelogenesis
60
Halitosis bacteria
S. Moorei
61
How do they cause odour
Microbes interacts with amino acids and they’re transformed in to volatile compounds and volatile sulfur compounds
62
Three major VSC
Methyl mercaptan CH3SH Hydrogen sulphide H2S2 Dimethyl sulphide C2H6S
63
Drugs cause malodour
diuretics Antihistamine Metronidazole
64
Systemic causes of halitosis
Chronic bronchitis Pneumonia TB
65
Diagnosis of halitosis
Subjective assessment Organoleptic - gold standard Halimeter - only detects VSC Gas chromatography - quantitative Unstimulated saliva can be tested
66
Calculus Formed by
Binding of calcium ions to carbohydrates protein complexes of the organic matrix and precipitation of crystalline calcium phosphate salts
67
Factors in calculus formation
Plaque thickness Rate of salivary sugar clearance Salivary film velocity and acid clearance Effect of salivary urea on plaque ph
68
Diagnodent by kavo
Laser fluorescence 655 to 680 nm
69
Inspektorpro Qlf
Quantitative laser fluorescence
70
CariVu, microlux
Transillumination technology
71
Cariescan pro
Electric conductivity
72
Canary system
Photothermal radiometry and luminescence

Cario (1 decks)

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