In indirect pulp therapy, the pulp tissue is left untouched and covered with a biocompatible material, to prevent microleakage.
It is a minimally invasive alternative to an invasive techniques like pulpotomy. Unlike other methods, there is no reopening of the cavity for the treatment of deep caries lesions.
Long term retention of permanent molars requires a root with a favourable crown to root ratio and dentinal walls that are thick enough to function well.