Preparation Objectives For Cement Fills
- Thorough Cleansing and Shaping
- Apex as small as Possible
- Enlarge to size 30 within 1mm of apex
- Maintain Patency
- Avoiding Ledges
- Avoiding Perforations
- Elimination of The Smeared Layer
- Avoiding Blocking Canals
- Avoid Zipping
- Avoid Stripping
- Avoiding Broken Instruments
- Avoid Creating "Aneurism"