The conservation of bronze sculptures has evolved significantly over time, reflecting shifts in artistic values, technological advancements, and ethical considerations. Traditional conservation ethics often prioritized physical durability and aesthetic uniformity, employing invasive techniques like heavy polishing or complete overpainting to achieve a "like-new" appearance. These methods, while preserving the object's form, sometimes erased historical patinas and subtle evidence of aging that held cultural significance.

In contrast, contemporary conservation ethics emphasize minimal intervention, scientific analysis, and respect for the artifact's authentic history. Modern conservators use non-invasive technologies such as X-ray fluorescence and 3D scanning to assess deterioration without altering the sculpture. The focus has shifted toward stabilizing the piece while preserving its original surface, including natural corrosion layers that tell a story of its journey through time.

Another key difference lies in transparency—today's standards require detailed documentation of all treatments, allowing future conservators to understand and reverse interventions if needed. This marks a departure from traditional practices where restorations were often undocumented.

The philosophical divide also extends to cultural sensitivity. Contemporary ethics increasingly consider the sculpture's original context and meaning, collaborating with source communities when conserving artifacts with ritual or spiritual significance. This represents a move from viewing bronze sculptures merely as art objects to acknowledging them as cultural documents requiring holistic preservation.

These evolving approaches reflect broader changes in how society values authenticity, scientific integrity, and cultural heritage in the art conservation field.