Ans. c. Plain radiograph 'Plain films can be clinically beneficial in locating glass foreign bodies in deep wounds with or without exploration.' Glass Foreign Body Patients with glass embedded in a wound are more likely to repo the sensation of foreign bodies. In patients with sensation of foreign body, superficial wounds that have been adequately explored do not require radiography. Plain films can be clinically beneficial in locating glass foreign bodies in deep wounds with or without explorationQ In patients without sensation, the history can guide the decision for fuher investigation. All glass is radiopaque; however, there is limited ability for radiography to detect glass fragments smaller than 2 mm. Glass is ine and can be left in place if it is difficult to locate or remove.