ODP Test Questions with Correct Answers
What does the degree of abrasiveness depend on? - Answer-hardness of abrasive material, size and shape of abrasive particle
What is the purpose of polishing agents? - Answer-Makes the tooth shine after the abrasive agent dulls it
What are examples o...
ODP Test Questions with Correct
Answers
What does the degree of abrasiveness depend on? - Answer-hardness of abrasive
material, size and shape of abrasive particle
What is the purpose of polishing agents? - Answer-Makes the tooth shine after the
abrasive agent dulls it
What are examples of polishing agents? - Answer-Aluminum, calcium, magnesium,
zirconium compounds
What is the purpose of humectants? - Answer-To add sweetness and prevent hardening
when exposed to air
What are examples of humectants? - Answer-Sorbitol, mannitol, glycerol, propylene
glycol
What is the purpose of preservatives? - Answer-To prevent mould or bacterial growth
that could be caused by humectants
What are examples of preservatives? - Answer-Sodium benzoate, alcohols
What is the purpose of binding agents? - Answer-Emulsifying (prevents solids and
liquids from separating), prevents paste from drying out
What are examples of binding agents? - Answer-cellulose gum, xanthan gum,
carrageenan
What is the purpose of detergents? - Answer-Penetrates and loosens plaque
What are examples of detergents? - Answer-Sodium lauryl sulphate (SLS). Can
damage mucin layer of acquired pellicle
What are examples of sweetening agents? - Answer-saccharin, sorbitol, mannitol,
cyclamate
What is the purpose of water? - Answer-Acts as a solvent to dissolve solid compounds
and salts
What are the groups of therapeutic agents added to dentrifices? - Answer-Anti caries
(fluoride)
, Anti plaque (triclosan)
Anti calculus (pyrophosphate)
Desensitizing (potassium nitrate,strontium chloride, sodium fluoride)
What is the purpose of oral self-care? - Answer-To prevent or arrest periodontal
diseases and caries by the reduction of plaque accumulation
How often is the removal of interproximal plaque advised? - Answer-At least once every
24 hours.
Individual factors must be considered for frequency
How often must oral hygiene be performed to stay compatible with gingival health? -
Answer-Every 48 hours
What is the col? - Answer-The depression of gingival tissues under a contact area
What are embrasures? - Answer-V shaped spillway next to the contact area of adjacent
teeth
What is a type I embrasure?
What is a type II embrasure?
What is a type III embrasure? - Answer-Type 1: filled completely by interdental papilla
Type 2: height of interdental papilla is reduced
Type 3: Interdental papilla is missing
What supplemental aid is effective with each type of embrasure? - Answer-Type 1:
Dental floss
Type 2: Interdental brushes and wooden toothpicks
Type 3: Interdental brushes and end-tuft brushes
What are the different types of dental floss? - Answer-Waxed dental tape
Variable thickness floss
Coloured/flavoured floss
Waxed/unwaxed floss
What are the good features of waxed dental floss? - Answer-Smooth surface from wax
helps prevent trauma to soft tissue
Resists breakage or shredding (strong and durable)
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