الفهرس 
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Abstract
Aim: The aim of the current study is to evaluate the effect of Calcium Phophosilicate based Bioceramic “Totalfill bioceramic putty’ and White Mineral Trioxide Aggregate “MTA” as coronal plug on discoloration after revascularization of necrotic immature permanent anterior teeth.
Material and methods: This study was conducted on (48) necrotic young permanent central
incisors in children ranging from 8 to 14 years old, that were randomly allocated to either Totalfill bioceramic (group I=24) or WMTA (group II=24) as coronal plug. Two visits revascularization protocol was adopted in this study using 1.5% sodium hypochlorite, followed by 17% EDTA, and ending with a saline flush as irrigation solution. Double antibiotic paste was used as intracanal
medication.
Blood clot was used as scaffold followed by the application of collagen membrane
followed by coronal plug malterial. Finally, the access was sealed RMGI and composite
restoration. Clinical assessment was conducted at1, 3, 6, 9 and 12 months, while radiographic assessment was conducted at 6, and 12 months. Data were statistically analyzed using Chi-Squared test for intergroup comparisons and Cochran’s Q test for intragroup comparison.
Results: Clinically, group I exhibited a success rate of 100%, whereas group II exhibited a success rate of 85.7%. radiographically, both materials showed 90.5% success rate. There was no statistically significant difference between both materials for all assessed clinical and radiographic parameters at different follow-up periods.
Conclusion: Both Totalfill bioceramic putty and WMTA can be used successfully as coronal plug in esthetic areas.
Keywords: pulp revascularization, pulp regeneration, pulp revitalization, immature necrotic teeth, bioceramics, MTA discoloration.