Introduction to Fixed Prosthodontics

Question 1

What categories are included in prosthodontics?

Answer 1

1. Fixed Prosthodontics
2. Removable Prosthodontics (complete & partial dentures)
3. Implant Prosthodontics
4. Maxillofacial Prosthodontics

Question 2

Prosthodontics is a body of knowledge and skills pertaining to: (2)

Answer 2

1. the restoration and replacement of the natural dentition with artificial substitutes
2. The restoration of the dental arches with fixed or removable dental prosthesis

Question 3

what should be completed prior to any fixed prosthodontics work? (7)

Answer 3

1. patient medical and dental history
2. occlusal evaluation/TMJ evaluation
3. intraoral/periodontal exam
4. radiographic evaluation
5. mounted diagnostic casts
6. caries risk assessment
7. patient expectations

Question 4

Includes any systemic conditions such as xerostomia which could affect the longevity of your dental work:

Answer 4

medical and dental history

Question 5

• Is the patient’s occlusion healthy?
• Is canine guidance present?
• Is group function present?
• Are there occlusal interferences?
• Is the bite collapsed?

These questions are all determined during:

Answer 5

occlusal evaluation

Question 6

What should be noted when performing an intraoral exam prior to starting any fixed prosthodontics work?

Answer 6

1. plaque accumulation
2. homecare
3. tissue abnormalities

Question 7

What should be noted when performing periodontal exam prior to starting any fixed prosthodontics work?

Answer 7

1. home care
2. is periodontal disease present (if so is it stable?)
3. tooth mobility

Question 8

When evaluating radiographs prior to starting fixed prosthodontics work, you should look for: (6)

Answer 8

1. Bone loss
2. PARL
3. Crown to root ratio
4. location of pulp chamber
5. endodontic issues
6. Are these teeth potential candidates for fixed work

Question 9

• allow for planning and visibility outside the patient mouth
• can be used for diagnostic wax up to predict treatment outcomes
• allow for patient education

Answer 9

mounted casts

Question 10

The amount of ___ In the patients past and present impacts the treatment you deliver

Answer 10

caries

Question 11

High caries risk means high risk of ____around ____

Answer 11

recurrent decay; crown margins

Question 12

What is an important question to ask prior to starting any fixed prosthodontics work? (regarding current damage)

Answer 12

How did the patients’ teeth get diseased or missing

(examples: impaction, extraction, tumors, caries, cancer, trauma, abrasion, erosion, bruxism, Mal-alignment, congenitally missing, periodontal disease, and radiation therapy cysts)

Question 13

Prior to prosthodontic work, what should you consider regarding patient expectations?

Answer 13

1. are they reasonable?
2. are they achievable?
3. are they realistic?
4. What would it take to meet those expectations and are you able to do so?

Question 14

A cemented extra-coronal restoration covering the outer surface of a prepared tooth:

Answer 14

dental crown

Question 15

The number one reason we put a crown on a tooth is to:

Answer 15

strengthen the tooth

Question 16

A tooth is prepared for a full coverage crown with specific criteria in order to create:

Answer 16

1. sleeve retention
2. a path of insertion
3. a slight convergence of the walls of the tooth prep to allow for seating of the crown

Question 17

In addition to single crowns, other types of fixed restorations include: (5)

Answer 17

1. 3/4 crown
2. Inlay
3. Onlay
4. Fixed dental prosthesis (bridge)
5. implant crowns

Question 18

A cemented intra-coronal restoration fabricated indirectly:

Answer 18

inlay

Question 19

An inlay also replacing one or more cusps:

Answer 19

Onlay

Question 20

Crown replacing one or more missing teeth which is cemented to remaining teeth or implants:

Answer 20

fixed dental prosthesis (bridge)