Non operative management of caries lesions

16 important questions on Non operative management of caries lesions

What are the four stages of caries development?

1. Enamel caries
2. Dentine caries
3. Pulpitis
4. Periodontitis    

What is the critical pH of enamel and dentine?

Enamel - pH 5.5
Dentine - pH 6.5

When does demineralisation and remineralisation of teeth happen?

Demineralisation happens when pH drops below a certain level
Remineralisation happens when pH goes back up 
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What are the treatments for caries disease?

Diet
Flouride
Oral hygiene instructions (OHI)

What are the factors that should be considered when making treatment decisions for carious lesions?

1. Cavitated or not?
2. Active or arrested?
3. Patient's compliance
4. Ability of patient to follow up
5. Is the carious lesion in the aesthetic zone?
6. Are there any functional loss?

What are the non-invasive management of caries?

Dietary control
Biofilm control
Mineralisation control

When is non-operative management used for dental caries?

Used for early lesions (lesions restricted to enamel)

What are the characteristics of an active caries lesion?

Opaque (white spot)
Rough

What are the characteristics of an inactive caries lesion?

Smooth
Shiny 

What is E1 and E2?

E1 = A dental caries lesion in the outer half of enamel, earlier stage of decay
E2 = A dental caries lesion in the inner half of the enamel, more advanced stage of decay

What are factors to consider for plaque/biofilm control to stop caries lesion progression?

Frequency of oral hygiene routine
Toothpaste/toothbrush
Interdental cleaning
Technique  

Why is flouride used for mineralisation control to stop caries lesion progression?

1. Inhibits demineralisation
2. Increases enamel resistance
3. Inhibits bacterial metabolism
4. Effectiveness has been linked to flouride concentration
5. Cost-effective

How much flouride does a toothpaste normally contain?

600 - 1500 ppm

How much flouride does a high flouride toothpaste contain?

2800 or 5000 ppm

How much fluoride is in a fluoride varnish?

22,600ppm

What are factors to consider for dietary control to stop caries lesion progression?

1. Content
2. Frequency
3. Physical form of food items  

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