W2 Lect - Special tray

Question 1

Name of each pic

Answer 1

Question 2

Name of this process (black line)

Answer 2

Outline

Question 3

Identify parts of mucous membrane

Answer 3

Question 4

Identify

Answer 4

Maxilla - labial frenulum

Question 5

Identify

Answer 5

Buccal frenulum

Question 6

Identify

Answer 6

Labial vestibule

Question 7

Identify

Answer 7

Buccal vestibule

Question 8

Identify

Answer 8

• Disto-buccal area
• Corono-maxillary space

Question 9

Identify

Answer 9

Hamular notch

Question 10

Identify

Answer 10

Vibrating line

Question 11

Identify

Answer 11

Vibrating line

Question 12

What is residual alveolar ridge?

Answer 12

The portion of the alveolar ridge and its soft tissue covering which remains following the removal or loss of teeth”

Question 13

Identify

Answer 13

Residual alveolar ridge

Question 14

Identify

Answer 14

Question 15

Identify

Answer 15

Maxillary tuberosities

Question 16

Identify

Answer 16

Question 17

Identify

Answer 17

Labial and buccal vestibule

Question 18

Answer 18

Retromolar pad

Question 19

identify

Answer 19

External oblique ridge

Question 20

What can you observe here?

Answer 20

Buccal extension

Question 21

Identify

Answer 21

Lingual pouch

Question 22

6 clinical applications of special tray

Answer 22

1. Completely edentulous patient
2. Subtotal edentulous patient
3. Removale partial denture
4. Special anatomical situations
5. Implantology
6. Reconstruction prosthesis

Question 23

What is the purpose of special tray?

Answer 23

To minimize…
- Impression material distortion (uniform thickness, rigid tray)
- Tissue distortion (less viscous material, Accurately adapted tray)

Question 24

What are the types of auxillary handles?

Answer 24

Question 25

What are the 2 types of special trays?

Answer 25

1. Close fitting
2. Spaced

Question 26

Characteristics of impression materials used with close-fitting special tray?

Answer 26

Used with very low viscosity impression materials, since it provide a thin layer after setting:
- Zn-eugenol paste
- very low viscosity elastomers

Question 27

Characteristics of impression materials used with spaced special tray?

Answer 27

Used with high viscous impression material (3mm)
- alginate
- medium or high viscosity elastomers

Question 28

2 types of materials used for special/custom tray

Answer 28

1. Resins
2. Thermoplastic materials

Question 29

3 types of resins that can be used to make special/custom tray

Answer 29

1. Visible light curing resins
2. Self-curing resins
3. Heat curing resins

Question 30

An example of thermoplastic materials used for special/custom tray

Answer 30

Sellak

Question 31

Characteristics of resins used to make special tray

Answer 31

1. Rigid, retain its shape
2. Not thermoplastic

Question 32

3 features of sellak that is used for making special trays

Answer 32

1. Breakable (undercuts, wire-reinforcement)
2. Thermoplastic (green stick, oroplastic impression materials)
3. cheap

Question 33

What is the best type of resin for making special tray?

Answer 33

Heat-curing resin (clear) special tray

Question 34

Can old denture be used as a special tray?

Answer 34

Yes