Question

composite restorative materials may present radiographically as both radiolucent or radiopaque depending on their chemical makeup....

composite restorative materials may present radiographically as both radiolucent or radiopaque depending on their chemical makeup. While decay present itself as a radiolucency, how can the dental radiographer determine which is decay and which is a restorative materials?

Science   Anatomy-And-Physiology   
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Radiographically both dental caries and composite filling are appeared as radiolucent. The filling and a cavity can be differentiated from the shape and outline of the radiolucent area. Before filling caries tooth with composite material all caries should be removed and a cavity should be prepared with a proper regular outline and margin. Radiographer can determine caries with irregular margin or improper shape of the radiolucent area and a filling by proper outline and margin in the radiolucent area.

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