W8. Temporary restorations

Question 1

What is the Definition of temporary appliance?

Answer 1

The appliance, what is made before the permanent restorations and patient wears till the fixation or insertation of brand new, permanent prosthesis.

Question 2

What are the 2 types of Classification of temporary restorations?

Answer 2

1. Classification by the time of construction
2. Classification by the type of restoration

Question 3

How do we classify temporary restorations by the time of construction?

Answer 3

1. Immediate
   - Immediately at the chair after extraction or tooth preparation
2. Interime
   - Needs time to construct it after extraction or preparations

Question 4

How do we classify temporary restorations by the type of restorations?

Answer 4

1. Fixed restorations
   - Crown
   - Bridge
   - Cored appliance
2. Removable restorations
   - RPD
   - CD

Question 5

What are indications of making temporary restorations?

Answer 5

1. Preventive
   - Of immediate functional disorders (estetics, mastication, phonation)
   - Of consequences ( prepared tooth, tooth migration, changes of marginal gingiva)
2. Diagnostical
   - First step of esthetical rstorative treatment – previous controll (eg. closing of diasthema)
3. Therapeutic
   - Occlusal disorders
   - Periodontal demages (eg. splinting)

Question 6

What are immediate Consequenses of
tooth loss?

Answer 6

1. Masticatory defects
2. Phonation
3. Aesthetics

Question 7

What are the consequences of destruction of masticatory system?

Answer 7

Question 8

What are phonetic disorders?

Answer 8

Question 9

Explain the lesion of esthetic function? Its consequences?

Answer 9

„depreciation”
Psychical effect of tooth extraction
-> Destruction in the carreer, connections
-> Failure of life-quality

Question 10

How do we prevent the consequences of tooth loss?

Answer 10

1. Prevention of prepared tooth from
2. Mechanical-, heat-, chemical-, osmotic-, and bacterial stimuli
3. Prevention of migration or elongation of the prepared or remaining teeth
4. Keeping habitual occluson
5. Place-keeping function

Question 11

How do we use Diagnostic tool for temporary restoration?

Answer 11

Question 12

How do we use Therapeutic tool for temporary restoration?

Answer 12

1. Occlusal disorders
   - Bite-lifting (expanding of OVD)
   +) Only with fixed appliance
2. Periodontaly damaged teeth
   - Splinting

Question 13

What are the general features of temporary appliances?

Answer 13

Generals:
* guarantees the mastication
* esthetical and psychical restoration
* increasing right phonation
* keeping habitual occlusal vertical dimension

Question 14

What are the features of fixed temporary appliances?

Answer 14

• Protection of prepared tooth
• Prevention of migration and elongation
• Protection of periodontal tissues (marginal integrity)

Question 15

Possibilities of constructing temporary restorations
1. What are the direct methods of constructing temporary restorations?

Answer 15

1. Prefabricated elements
   - Celluloid-, or acrylic crowns
   - Alumina crowns
   - Prosthesis teeth
   - Own tooth
2. Reparations of removed fixed appliances
3. By previous impression ( „Scutan-method”)

Question 16

What is this?

Answer 16

Celluloid, or acrylic crowns

Question 17

What is this?

Answer 17

Temporary veneer/ crown made from prosthesis-tooth

Question 18

What is this?

Answer 18

Deep drawn foil

Question 19

What are indirect methods for constructing temporary restorations?

Answer 19

1. Deepdrawing method
2. After impression made temporary restoration
3. Before the preparation take impressions (prec-sit, antagonistic, key)
4. The technician makes by ideal preparation

Question 20

Name of this method

Answer 20

Pressed acrylic or pyroplast method

Question 21

Name of this method

Answer 21

CAD/CAM technology milling