. Dental and oral radiography : a text book for students and practitioners of dentistry . Fig. area of necrosis about the roots of a lower first molar. Broken-off broaches and other instruments, orsmall wires introduced into root canals to deter-mine their length or the extent to which they havebeen opened, because of their great density, ap-pear very white and are easily differentiated fromroot-canal fillings or tooth structure. (Figs. 68and 69.)Where a destructive process has ensued in the 142 DENTAL AND ORAL RADIOGRAPHY peridental membrane, or in the bony Avail of thealveolus (pyorrhe
. Dental and oral radiography : a text book for students and practitioners of dentistry . Fig. area of necrosis about the roots of a lower first molar. Broken-off broaches and other instruments, orsmall wires introduced into root canals to deter-mine their length or the extent to which they havebeen opened, because of their great density, ap-pear very white and are easily differentiated fromroot-canal fillings or tooth structure. (Figs. 68and 69.)Where a destructive process has ensued in the 142 DENTAL AND ORAL RADIOGRAPHY peridental membrane, or in the bony Avail of thealveolus (pyorrhea pockets) and is present onthe mesial or distal side of a tooth, these condi-. Fig. 68. Small wires introduced into root canals to determine their length orthe extent to which they have been opened, are easily differentiated fromroot canal fillings or tooth structure.
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectradiographydental
