Preventative Resin Restorations

Question 1

PRR

Answer 1

• More extensive lesion can be drilled out.
• Lesions which go into dentine.
• Fill with composite resin.
• Minimal caries can be sealed over with fissure sealant.

Question 2

Drill out undermined enamel

Answer 2

But its not ALWAYS necessary to remove undermined enamel, unlike amalgam.

Question 3

Lining

Answer 3

• Can place calcium hydroxide lining but this is outdated.

- Can place RMGI Resin-Modified Glass Ionomer over lining).

Question 4

Flowable composite

Answer 4

• May be used in narrow or shallow cavities.
• Enhance marginal adaptation.
• Prevent voids within the restoration.

Question 5

Benefits of PRR

Answer 5

• Save natural tooth structure.
• Can exceed the performance of amalgam over a 10 year period.
• Less preparation than amalgam (less tooth removal).
• Easy to observe, monitor, repair.