Object conservation includes the conservation of most three dimensional artworks and artifacts in a wide variety of materials. This includes objects made of traditional materials such as stone, ivory, wood, lacquer, leather, and metal, or contemporary materials such as plastic or complex multi-media.

Object conservation can be complex and range in scale, requiring treatment of both structural and aesthetic conditions.

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Typical treatments include reassembly and surface integration of sculptures, polishing, fillings for damaged surfaces, reconstruction of missing elements, cleaning, inpainting and structural repairs.