Question 108 · LDEK · Fissure sealing
Preventive Resin Restoration type I (PRR I) should be performed:
1) in the case of caries in enamel of the fissure;
2) in the case of spot caries within enamel and dentine;
3) in the case of an extensive but shallow caries lesion on the occlusal surface;
4) by using fissure sealant for cavity restoration and protecting remaining fissures;
5) by using glass-ionomer or composite materials for cavity restoration and fissure sealant for protecting remaining intact fissures.
The correct answer is:
2) in the case of spot caries within enamel and dentine;
3) in the case of an extensive but shallow caries lesion on the occlusal surface;
4) by using fissure sealant for cavity restoration and protecting remaining fissures;
5) by using glass-ionomer or composite materials for cavity restoration and fissure sealant for protecting remaining intact fissures.
The correct answer is:
- A. 1,2.
- B. 1,5.
- C. 3,4.
- D. 1,4.
- E. 2,4.
Hint
In the PRR classification the type depends on the depth of the lesion; type I is the least invasive variant.
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