PRR & Minimally invasive occlusal cavity

Question 1

What does PRR stand for?

Answer 1

Preventive resin restoration

Question 2

When is a PRR carried out?

Answer 2

If caries is in one area of fissure/pit, that caries is restored and remaining pits/fissures are sealed with fissure sealant

Question 3

What is the aim of PRR?

Answer 3

Ensure the optimum management of possible fissure caries in permanent molars

Question 4

What is the advantage of a PRR?

Answer 4

Applying PRR to an early carious lesion may prevent the child entering the restorative cycle unnecessarily

(A big filling later)

Question 5

What is the disadvantage of a PRR?

Answer 5

Careful long-term monitoring and repair of fissure sealants is essential.

Question 6

After looking at a good quality bitewing radiograph of a tooth what indicators may suggest placing a PRR? (3)

Answer 6

• If there is micro-cavitation
• Shadowing visible under enamel adjacent to fissure
• Dentinal caries clearly visible radiographically