PMC3874112_01
Panoramic radiography shows position of both intruded and extruded centrals in the maxilla
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F1
The radiographic examination revealed complete intrusion of the maxillary right permanent central incisor, with concomitant crown fracture and pulp involvement (Figure 1 and Figure 2).
Periapical radiographies shows complete intrusion of right maxillary incisor
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F2
The radiographic examination revealed complete intrusion of the maxillary right permanent central incisor, with concomitant crown fracture and pulp involvement (Figure 1 and Figure 2).
Clinical appearance 10 days after injury
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F3
After 10 days, the swelling had been subsided (Figure 3).
Intracanal medication and final RCT
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F4
The access cavity was sealed with reinforced zinc oxide eugenol cement and bracket was bonded to the labial surface of the intruded central (Figure 4). Both teeth were then filled with gutta-percha and root canal sealer (Figure 4).
Intruded tooth is ligated to arch wire
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F5
The maxillary left lateral was left free for spontaneous re-eruption (Figure 5).
Ligature wire has been substituted by thread elastic
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F6
It was decided to apply a lighter force on the intruded central by changing the ligature wire to thread elastic (Figure 6).
The intruded tooth in normal position
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F7
Further alignment was achieved by changing the position of the bracket on the central incisor and engagement of arch wire with the bracket of maxillary lateral incisor (Figure 7).
Radiographies at the end of the retention course (left) and 6-years follow up (right
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F8
As shown in Figure 8 and Figure 9, at 6-years follow up both teeth were clinically asymptomatic and in function with healthy surrounding periodontal tissues.
Clinical appearance at 6-year follow up
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F9
As shown in Figure 8 and Figure 9, at 6-years follow up both teeth were clinically asymptomatic and in function with healthy surrounding periodontal tissues.