. Elementary and dental radiography / by Howard Riley Raper . Fig. 239 Fig. 240 Fig. 239. A piece of tooth root in the tissues beneath a bridge. (Radiograph by Lewis, of Chicago.)Fig. 240. A piece of tooth root in the tissues above a very large bridge. (Radiograph b Lewis, of Chicago.) 37. to Observe the field Before Constructing a Bridge. This use of the radiograph has already been illustrated—Figs. 129,239, and 240. The radiograph will not only disclose the presence of un-erupted teeth, and unremoved pieces of tooth roots, but, as has been sug-gested under another heading, it will also show

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. Elementary and dental radiography / by Howard Riley Raper . Fig. 239 Fig. 240 Fig. 239. A piece of tooth root in the tissues beneath a bridge. (Radiograph by Lewis, of Chicago.)Fig. 240. A piece of tooth root in the tissues above a very large bridge. (Radiograph b Lewis, of Chicago.) 37. to Observe the field Before Constructing a Bridge. This use of the radiograph has already been illustrated—Figs. 129,239, and 240. The radiograph will not only disclose the presence of un-erupted teeth, and unremoved pieces of tooth roots, but, as has been sug-gested under another heading, it will also show the operator the size, shapeand health of the roots of the teeth he is using for abutments. 3$. Co Observe Planted : One in the practice of Dr. C. EdmundTigs. 241 and 242. Kells, Jr., Fig. 241, shows a fracture of the root ofa lateral, the result of a fall. After the two piecesof the lateral were extracted they were united and held together with aniridio-platinum screw set in cement, and the repaired root then radiograph (Fig. 242)

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