L41 caries, plaque Flashcards
1
Q
Phosphate at low neutral high pH
A
H3PO4
H2PO4
H1PO4
PO4
2
Q
Why does Fluoride work
A
Smaller crystals
Better H bonding
Decreased solubility
3
Q
Substantivity
A
Time drug is in contact w/ substrate in oral cavity
Reversible binding to reservoirs
Rate of clearance by salivary flow
4
Q
Chlorhexidine is a type of
A
Bis-biguanide
5
Q
How does chlorhexidine work
A
Rupture cell membrane
Bind salivary mucins
Bind bacteria
6
Q
triclosan mechanism
A
inhibits fatty acid synthesis
7
Q
Desensitizing toothbpastes
A
K
Casein phosphopeptide
Calcium-arginine
