Delayed orthodontic extrusion of a traumatically intruded immature upper permanent incisor – a case report
Abstract
Dental
injuries are probably the most common orofacial injuries sustained
during sports and play. Intrusion or intrusive luxations occur when the
teeth are driven into the alveolus by an axially directed impact. This
article describes the clinical case of an 8-year-old patient who
suffered complete intrusive luxation of an immature permanent central
incisor following an accident. An attempt at spontaneous re-eruption
failed to facilitate re-emergence of the tooth beyond 2 mm. The
recommended wait-and-see strategy in anticipation of spontaneous
re-eruption should cease to be an option when no further elongation can
be observed. Orthodontic extrusion or surgical re-positioning is a valid
treatment alternative when the former fails. In this case, although the
recommended time period for effecting orthodontic extrusion had
elapsed, this procedure was undertaken successfully presumably owing to
the application of controlled, biologically optimal forces. A review of
the extruded tooth a year later revealed no clinical or radiographic
signs of loss of vitality. This was confirmed radiographically by the
completion of root development, an intact lamina dura and no evident
signs of resorption.
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