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A clinical comparison was made of an experimental radiopaque composite restorative material and Addent 35. The radiopaque experimental formulation contained a novel ternary eutectic dimethacrylate as the resin binder and fused silica and a novel BaF 2 containing glass as the reinforcing fillers. Evaluation of restorations indicate that the experimental material compared favorably with the commercial material.
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Chandler et al. (1973) studied this question.
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