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ODP Test 2024|Questions with Discussed answers
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ODP Test 2024|Questions with Discussed answers
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ODP Test 2024|Questions withDiscussed answers
What are the 8 basic ingredients and composition of dentrifices? - ✔✔1. Abrasive
20-40%
2. Water 20-40%
3. Humectant 20-40%
4. Detergent 1-2%
5. Binder 1-2%
6. Flavouring 1-1.5%
7. Therapeutic agent 1-5 %
8. Preservatives less than 1%
In dentrifices, what are the abrasives used for? - ✔✔To clean, to produce a
smooth surface, and to remove stained pellicle
What are examples of abrasive ingredients in dentrifices? - ✔✔Silicas and
baking soda
What does the degree of abrasiveness depend on? - ✔✔hardness of
abrasive material, size and shape of abrasive particle
What is the purpose of polishing agents? - ✔✔Makes the tooth shine after
the abrasive agent dulls it
, What are examples of polishing agents? - ✔✔Aluminum, calcium,
magnesium, zirconium compounds
What is the purpose of humectants? - ✔✔To add sweetness and prevent
hardening when exposed to air
What are examples of humectants? - ✔✔Sorbitol, mannitol, glycerol,
propylene glycol
What is the purpose of preservatives? - ✔✔To prevent mould or bacterial
growth that could be caused by humectants
What are examples of preservatives? - ✔✔Sodium benzoate, alcohols
What is the purpose of binding agents? - ✔✔Emulsifying (prevents solids and
liquids from separating), prevents paste from drying out
What are examples of binding agents? - ✔✔cellulose gum, xanthan gum,
carrageenan
What is the purpose of detergents? - ✔✔Penetrates and loosens plaque
What are examples of detergents? - ✔✔Sodium lauryl sulphate (SLS). Can
damage mucin layer of acquired pellicle
What are examples of sweetening agents? - ✔✔saccharin, sorbitol,
mannitol, cyclamate
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