. Elementary and dental radiography / by Howard Riley Raper . lmost invariable rule that unerupted teeth moveonly in the direction in which they point; i. e., In a line with their longaxis. Thus an unerupted tooth must be headed right, or pointed right,to induce it to erupt. When radiographing cases of delayed eruption we may expect tofind (i) the tooth present in the jaw—Fig. 134; (2) the tooth missingfrom the jaw—Fig. 131; (3) an odontoma in the place of the tooth—Fig. A; (4) an odontoma or supernumerary tooth preventing eruption—Figs. 263 and 264. THE USES OF THE RADIOGRAPH IN DENTISTRY 157
. Elementary and dental radiography / by Howard Riley Raper . lmost invariable rule that unerupted teeth moveonly in the direction in which they point; i. e., In a line with their longaxis. Thus an unerupted tooth must be headed right, or pointed right,to induce it to erupt. When radiographing cases of delayed eruption we may expect tofind (i) the tooth present in the jaw—Fig. 134; (2) the tooth missingfrom the jaw—Fig. 131; (3) an odontoma in the place of the tooth—Fig. A; (4) an odontoma or supernumerary tooth preventing eruption—Figs. 263 and 264. THE USES OF THE RADIOGRAPH IN DENTISTRY 157 2. Tn Case* Where Deciduous teeth arc Retained Cons After the time When Chcy Should fiavc Been Shed, to Cearn if the Succedancous teeth be Present. Case—Girl, age seventeen, large cavity in Tig. 135. upper, second, deciduous molar. Whether to fill this tooth or extract it depended on whether there was a second bicuspid to take its place in case of extraction. It was not at all loosened and there was no visible evidence of the presence of the suc-.
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