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Flashcards in Dental materials Deck (11)
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1
Q

electrochemical reactions are primarily hazardous to

A

technicians

2
Q

abrasives are added to toothpastes to remove plaque and polish the tooth surface. Which of the materials listed below is not commonly used as an abrasive in toothpastes?

A

Potassium nitrate

3
Q

Sodium hypochlorite is used as a disinfecting agent, not only for materials but clinically (e.g. root canals). Problems are associated with. With of the following is incorrect?

A

does not deplete organic constituents of dentine

4
Q

what is the role of humectant in toothpastes?

A

prevents moisture loss

5
Q

what statement about sodium hyperchlorite is wrong?

A

It does not deplete dentine constituents

6
Q

who is most at risk hazards in the dental clinic?

A

dentist and nurse

7
Q

What is not the function of sodium lauryl sulphate?

A

to stregthen enamel

8
Q

who’s at greatest risk from freshly mied amalgam?

A

dentist and nurse

9
Q

for sodium hypochlorite, which statement is incorrect?

A

doesn’t cause depletion of organic constituents

10
Q

what is the name of the reaction that forms a new product and a by product

A

condensation polymerisation

11
Q

light and lasers causes damage to

A

eyes