Numerous surgical techniques now call for biomaterials. Included in this term is material foreign to the receiver, of natural or artificial origin, which is implanted in a living organism in order to repair the impaired function of the organ. By using a recent material, coral, the authors here by relate their experience within the scope of ear surgery. The analysis of the preliminary results encourages the further use of this material, bio-compatible, easily-used and giving excellent functional results.