Non-vital primary molars that fulfill the eligibility criteria will be randomly assigned into one of the 3 study groups:~Group 1: conventional root canal treatment Group 2: Regenerative endodontic treatment using MTA Group3: Regenerative endodontic treatment using Biodentine Each group will be followed up for 12 months
Non-vital primary molars will be treated with regenerative endodontic idea using different capping materials aiming to replace the necrotic pulp tissue with biological one and to provide perfect seal over the scaffold