Aesthetics is d major difference between d caps.. It totally depend on u if u want a tooth coloured cap (ceramic) or if ur fine having a metal cap which ll look like A steel tooth. If ur highly aesthetic conscious nd want d replacement to look exactly like a tooth then go for zirconia.
Next Steps
Metal will cost between 1500 to 2500
Ceramics - 3000 to 3500
Zirconia- 10,000 to 15000
Health Tips
Cap ur teeth quickly after RCT.. It has high chance of breaking into pieces if u do not cap.