Experimental: Dental pulp stem cells Test sites (n=15) Periodontal regeneration using micro-grafts of Dental pulp stem cells seeded onto collagen sponge Procedure: periodontal regeneration Defects were accessed with the MIST In the test group the obtained micro-grafts enriched in DPSCs were endorsed onto a collagen sponge scaffold (CondressĀ®, Istituto Gentili, Milano, Italy) to form a […]