art restoration - corrective and restorative measures to compensate for damages, deterioration, and other defect. 
An attempt is made to return the work, if not to its original condition, to a satisfactory aesthetic state. 

art conservator a person specially trained in the preventive care and maintenance, as well as restoration, of works of art. An art conservator refers to a person trained in carrying out remedial or restorative treatments. 

Bellingan Scott Fine Art Restoration & Conservation is able to both restore and conserve your artworks.