25. Types of fixed prosthetic appliances.

Question 1

1. What are the 5 types of fixed prosthetic appliances?

Answer 1

1/ Inlays
2/ Onlays
3/ Solo crowns
4/ Bridge
5/ Dowelcore (a.k.a dowel and cores)

Question 2

1. Inlays
   a/ What are characteristics of inlays

Answer 2

‣ Similar to a filling and lies inside the cusp tips of the tooth
‣ Custom-made to fit the prepared cavity
‣ Being cemented in place

Question 3

1. Inlays
   b/ How to prepare for inlays?

Answer 3

‣ Remove the old filling
‣ Prepare the tooth
‣ Take an impression -> send to laboratory to construct a
custom-made porcelain or gold inlay/onlay

Question 4

3. Onlays
   a/ What are characteristics of onlays

Answer 4

A more extensive reconstruction (than inlays) that covers one or more cusps of a tooth

Question 5

3. Onlays
   b/ How to prepare for onlays

Answer 5

‣ Remove the old filling
‣ Prepare the tooth
‣ Take an impression -> send to laboratory to construct a custom-made porcelain or gold
inlay/onlay

Question 6

4. Solo crowns
   a/ What is a solo crown?

Answer 6

dental restoration which encase a tooth are cemented in place

Question 7

4. Solo crowns
   b/ What is the aim of solo crown?

Answer 7

‣ Restoration of a destructed tooth
‣ Esthetic reason
‣ Clasp holding (for a removable appliance)

Question 8

4. Solo crowns
   c/ How to prepare for solo crown?

Answer 8

‣ Tooth is prepared by the dentist
‣ Crown is made by the dental technician

Question 9

5. Bridge
   a/ what are the characteristics of bridge?

Answer 9

‣ A fixed partial denture
‣ Not removable by the patient

Question 10

5. Bridge
   b/ what is the aim of bridge?

Answer 10

to replace missing teeth

Question 11

5. Bridge
   c/ How to prepare for bridge?

Answer 11

‣ Preparation of the abutment by dentist
‣ Impression is taken of the prepared jaw
‣ Appliance is made by the dental technician according to the impression

Question 12

6. Dowel-core
   a/ What are dowel core?

Answer 12

They are cemented restorations used to support a crown or a bridge when there is not enough natural tooth to do so

Question 13

6. Dowel-core
   b/ What is the structure of dowel core?

Answer 13

1/ The dowel
- Post-like portion
- It is inserted within the body of the root of a tooth that has had a previous root canal therapy

2/ The core portion
- The part that supports the crown or bridge
- Can be seen after cementation of a dowel and core