Provisional Restorations

Question 1

Functions of a Provisional Restoration

Answer 1

1. Provides esthetics, phonetics and masticatory function
2. Protects the prepared tooth from fracture
3. Protects the pulp from thermal and chemicals
4. Maintains the health of the periodontium, should not be overhang or improper margins
5. Maintains proximal contact and occlusal relations
6. Previews of the final restoration
7. Space maintenance - to prevent tilting of adjacent teeth + over eruption of opposing teeth
8. Patient comfort

Question 2

Requirements of Ideal Provisional Restorations

Answer 2

1. Reasonably esthetic appearance
2. Biocompatibility (nonirritant to pulp and soft tissue)
3. Easily fabricated in short time
4. Easily modified and repair
5. Capable to receive high polish
6. Dimensional stability
7. Adequate strength to withstand force of mastication