Clinical Skills: Caries Management

Question 1

What are the two most commonly used restorative materials that require excellent moisture control?

Answer 1

• amalgam
• resin composite

Question 2

What restorative material is most critical when it comes to moisture control?

Answer 2

Resin composite

Question 3

What piece of equipment is required to aid restoration of a class II cavity?

Answer 3

Matrix band

Question 4

Give four favourable characteristics of a matrix band

Answer 4

• reproduces missing tooth contour
• establishes contact point with adjacent tooth
• prevents overhang
• permits adequate condensation

Question 5

What would aid the retention and adaptation of a matrix band?

Answer 5

Wooden wedge

Question 6

For patient safety, what are the requirements when using a wooden wedge?

Answer 6

Essential to tie up wooden wedge with floss- to avoid an incidence of it falling down the oropharynx

Question 7

What are the benefits of bonded amalgam?

Answer 7

• reduce need for pins
  -reinforce residual tooth structure
• provide coronal seal
• reduce the need for undercut prep therefore conserves tooth substance

Question 8

What is the major issue associated with use of resin composites?

Answer 8

Polymerisation shrinkage

Question 9

Where, on a tooth, is there most risk of resin composite restoration shrinkage? And why?

Answer 9

At the gingival margin.
This is because it is difficult to control moisture in this area

Question 10

What resin-modified glass polyalkenoate cement is used as a lining material to seal cavity floors?

Answer 10

Vitrebond

Question 11

What product must not be used alongside resin composites? And why?

Answer 11

Eugonol
Interferes with polymerisation of resin composite