الفهرس 
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Abstract
In patient with necrotic immature anterior teeth with open apex and periapical abscess, this study was done to find whether the revascularization is more effective than MTA apexification in the following or not:
1. Resolution of pain: Measured with modified Visual Analog Scale (VAS)
2. Resolution of periapical radiolucency: Binary Outcome.
3. Increase in root length: Measured in mm.
4. Increase of dentin thickness: Measured in mm.
5. Decrease in apical diameter: Measured in mm.