Determination of volume
In contrast with ‘scrap gold’ derived from old jewellery, it is difficult to determine the exact content of dental gold. In many cases the filling is contaminated with tissue or porcelain. The less contamination there is, the more accurate our estimate of the portion of dental gold. Due to the nature of dental waste material, it is impossible to give a precise valuation based only on weight. There are two reasons for this.
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