DM1

Question 1

Materials are divided into classes based on whether they behaviour similiarly and chemically similar:
(What are the classes )

Answer 1

1. Ceramic (best aesthetic qualities, e.g. veneers, crowns , coating of implants)
2. Polymers (e.g. white filling material, impression materials,
3. Inorganic salts ( models from impression (the salt is called gypsum, endodontic cement)
4. Metals &alloy (e.g. amalgam, orthodontic bracket/guide wires, crowns, partial denture)

Question 2

What does the success of treatment depend on?

Answer 2

◦ Selection of material
◦ Use of material (instructions)
◦ Quality of material

Question 3

1) How are materials tested?

2) what standards must they meet?

Answer 3

1) clinical trials and laboratory evaluation

2) ISO and BSI standards

Question 4

After diagnosis of the patient what must you consider?

Answer 4

1. requirements

2. available materials

Question 5

After diagnosis and consideration of the requirements and available materials , what must you do?

Answer 5

compare the requirements and available materials

Question 6

After diagnosis and consideration and comparison of the requirements and available materials , what must you do?

Answer 6

select

Question 7

After selecting what material to you what must you follow up with?

Answer 7

a review of how it is going