Page 389 - My FlipBook
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Figs. 174-176. Diagrammatic representation of a condition which ally occurs, when,
because of pathological conditions about the apex of the root of a deciduous absorption of the
root fails. Figure 174. The permanent incisor moves downward and forward to sume its position
in the arch and strikes the lingual surface of the root of the deciduous tooth neai its apex. Figure
175. In the continued movement of the permanent incisor the apex of the root of the deciduous tooth
is tipped to the labial and pushed through the gum tissues under the lip. "When this is allowed to
continue, a condition shewn in Figure 176 is liable to occur, in which the apex of the root of the
deciduous tooth gradually works its way into the lip itself, resulting in suppuration.
