IRCT2017102033162N3 IRCT 2017-11-06 Vice Chancellor for research of Shahed University of Medical Sciences Bioactive Glass and Calcium-Enriched Mixture for Pulp Capping of Primary Teeth Evaluation of effect of Bioactive Glass and Calcium-Enriched Mixture for Pulp Capping of Primary Teeth of children who referred to dental clinic 2016-07-15 anticipated 20 Complete https://irct.ir/trial/25663 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Other design features: Random table number used for randomization. 2 pulpal histology. 20 sound primary canines scheduled for orthodontic extraction, were selected. After mechanical pulp exposure, the exposed site was capped with either CEM cement or BAG and then restored with amalgam. The teeth were extracted after two months and examined histo- pathologically. Parameters of hard tissue bridge (HTB) formation, its type and quality as well as pulpal inflammation scores were compared between the two groups. The data were analyzed using Fisher’s exact test..