Lec 5 Finishing & Polishing

Question 1

The purpose of it is to create a restoration that is smooth, uniform, and easily cleaned by the patient.

Answer 1

Finishing and polishing composite restorations

Question 2

Finishing and polishing can:
- increase the _______ of the restoration
- decrease the incidence of _________
- promote the _______ of surrounding tissues

Answer 2

• longevity
• recurrent caries
• health

Question 3

Overhangs can cause?

Answer 3

gingivitis

Question 4

Advantages of finishing and polishing:
* ______, undetectable margins
* ________-resistant surface
* _______ gingival tissues
* Increased ________
* Enhanced ________
* Proper _______

Answer 4

• smooth
• plaque-resistant
• healthier
• longevity
• esthetics
• contours

Question 5

Improper placement, incomplete finishing and polishing, or normal wear and tear increases the risk of? (4)

Answer 5

• recurrent caries,
• plaque retention,
• periodontal disease,
• restoration failure.

Question 6

Composite restorations are _________ as part of the dental examination. Some restorations may need to be finished and polished. In other instances, the restoration will need to be _______ or _________.

Answer 6

evaluated;
repaired / replaced.

Question 7

Armamentarium used for proximal areas.

Answer 7

White stones

Question 8

Armamentarium used for incisal edges.

Answer 8

Wheels

Question 9

Armamentarium used to polish and finish proximal areas.

Answer 9

White stones, finishing strips

Question 10

Use _______ when using abrasives.

Answer 10

water

Question 11

Effective _________ and ________ surfaces allow for improved evaluation of surface irregularities.

Answer 11

lighting; dried surfaces

Question 12

Precautions:
* ____________ may occur to adjacent teeth or gingiva if the operator is not cautious.
* ________ can be generated rapidly on the tooth during composite finishing and polishing.
* _______ are created frequently when polishing with disks.
* An exposed __________ or _________ of a disk will scratch and discolor the composite surface. Use care in positioning the disk.

Answer 12

• Iatrogenic injury
• Heat
• Aerosols
• metal shank; center of a disk

Question 13

Indications for polishing and finishing (6)?

Answer 13

1. Overextension or flash
2. Premature occlusal contact
3. Overhang
4. Limited stain
5. Limited recontouring of anatomy
6. Small chips or defects

Question 14

Indications for repair or replacement (7)?

Answer 14

1. Gross overextension or overhang
2. Open margin
3. Fracture
4. Extensive stain
5. Recurrent caries
6. Open proximal contact
7. Larger defects