overheal

verb4

1. •
   To heal excessively or beyond the point of normal healing, usually resulting in the formation of scar tissue.

   • First, the tissues can heal slowly and inadequately. Second, the tissues can overheal and deposit and overabundance of fibrotic wound matrix […] — 2011
2. •
   To heal (a character) beyond the usual maximum level of health.
3. •
   To heal over.
4. •
   (no longer used) To cover over.