Cariology Flashcards
What are the 4 things necessary to create dental caries?
1.TIME 2.Micro-Organisms 3.Substrate 4.Host & Teeth
What are three things that TODAY’s view of what causes caries incorporates?
1.Education 2.Income 3.Social Class
Dental caries is a _______ disease process.
multi-factorial
What are the two types of lesions that can occur with enamel exposure to acid?
1.Carious lesion 2.erosion
In remineralization: Partially demineralized apatite crystals can grow to their _______. Especially in the presence of ______!
ORIGINAL SIZE!….Fluoride
Caries: A ______ disease that progresses very ______ in most individuals.
chronic….SLOWLY
In erupting teeth, the outermost surface layer is _____ and ____ in fluoride
porous…low
If fluoride is present in the oral fluids, the gradual increase in the surface enamel is called “_______ maturation”
Secondary Maturation
Is there a VISUAL sign of caries after 1 week of undisturbed plaque? Is there a HISTOLOGICAL sign?
NO…Histo: yes, increase in enamel porosity
How long does it take for White Spot Lesions to appear with Undisturbed Plaque?
2 weeks
What is the technique that needs to be used when checking for White Spot Lesions?
Air-drying
Histologically, how long does it take for a surface lesion to form with undisturbed plaque?
2 weeks
How long does it take to see a White Spot lesion with a chalky surface (no air drying necessary!)? (w/o undisturbed plaque)
4 weeks
After 4 weeks of undisturbed plaque, what do you see Histologically?
Enlarged inter-crystalline spaces
What are the 4 indications of HIGH risk caries in CAMBRA?
1.Visible Cavites Present 2. Restorations in the last 3 Years 3. Interproximal caries lesions/radiolucencies 4.White Spots on enamel surfaces
What is CAMBRA short for?
CArries Management By Risk Assessment
If you have a have a W.S.L. that you have been letting plaque grow on for a while, THEN you take the plaque off… how long does it take for the chalky appearance to diminish?
1 week
If you have a have a W.S.L. that you have been letting plaque grow on for a while, THEN you take the plaque off… How long does it take to see a normal shiny appearance of normal enamel?
2 weeks
When thinking about our Caries Classification Pyramid (D1-D4)… Where on the pyramid will I find “Sub-clinical lesions in a dynamic state of progression/regression”??
The Base of the Pyramid
When thinking about our Caries Classification Pyramid (D1-D4)…Where on the pyramid will I find “lesions detectable only with additional diagnostic aids”?
The second rung from the bottom
When thinking about our Caries Classification Pyramid (D1-D4)…Which classification level is this, “Clinically detectable enamel lesion with intact surfaces”?
D1
When thinking about our Caries Classification Pyramid (D1-D4)… Which classification level is this, “Clinically detectable cavitation limited to enamel”?
D2
When thinking about our Caries Classification Pyramid (D1-D4)…Which class am I: “Clinically detectable lesions in dentin”?
D3
When thinking about our Caries Classification Pyramid (D1-D4)… Which classification am I: “Lesions into pulp”?
D4…yikes.
When thinking about our Caries Classification Pyramid (D1-D4)… WHERE IS THE LINE DRAWN between CAVITATED and NON-CAVITATED lesions????
In D3
When thinking about our Caries Classification Pyramid (D1-D4)… When do we switch treatment form chemo-theraputics to drill and fill?
When the lesion becomes caveated in D3 (some schools teach drill and fill all cavities to the dentin/all D3)
What are 2 positives of having resident flora?
1.Assist wil nutrient absorption 2. Barrier to colonization by transient bugs
Can you “catch” decay?
YES! you can give your strep mutans to people!
WHEN is the “WINDOW of INFECTIVITY”? (when most children become inoculated with S.Mutans)…
18-36 months
When is the earliest a child can become inoculated with S.Mutans (like before the Window of Infectivity)?
3 months (or earlier!)
About ___% of children get MS from MOM, significantly associated with her ______ levels of bacteria referred to as “_______ transmission”
70%…mom…salivary…“vertical transmission”
What was the main point of the Sweedish and Japanese studies of transmission of S.Mutans?
that 45-58% of transmission can be HORIZONTAL transmission
______ the acquisition of S.Mutans reduces caries experience in both the primary and permanent dentition!!!
DELAYING
How do we DELAY transmission of S. Mutans?
Reducing Maternal Bacterial Load!!