What is the differance between pulpectomy & pulpetomy ?

Pulpectomy vs.: Pulpotomy. The pulp of a tooth is nerves, tiny blood vessels and connective tissue that is located in the center of the tooth. There is coronal and radicular (root) parts of the pulp. Pulpotomy is a removal only coronal pulp, whereas pulpectomy is a removal of necrotic pulp tissue followed by filling the root canals. Pulpotomy is also done for young permanent teeth for root apexification.

Difference: Usually pertain to baby teeth. Pulpotomy is removal of entire infected "nerve" of tooth and replacement with a resorbable filling. Pulpectomy is removal of part of nerve, leaving I infected part, and sealing with a medicated dressing.