Biological properties

Question 1

First level of evaluation

Answer 1

Acute systemic toxicity
Irritational potential
Carcinogenic potential

Question 2

Second level of evaluation

Answer 2

Involves animals as experiments

Question 3

Third level of evaluation

Answer 3

Material tested to human
Controlled clinical trials on volunteered human teeth

Question 4

Ideal biological properties

Answer 4

Non-irritant to oral cavity
Non-toxic to oral tissues
Non carcinogenic
Non allergy

Question 5

Hazards

Answer 5

Dental cements which are acidic (zinc phosphate cement pH2)
Phosphoric acid as etchant
Mercury in dental amalgam