PMC3398580_01
Fractured UL4 & porcelain crown on UL5.
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fig1
UL3, UL5 were healthy teeth with normal mobility though UL5 has a bonded porcelain crown (Figures 1 and 2).
Periapical radiograph of UL4 shows intact root fillings, oblique fracture and a healthy root.
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fig2
UL3, UL5 were healthy teeth with normal mobility though UL5 has a bonded porcelain crown (Figures 1 and 2).
J hook cemented in the root canal is attached by an elastic chain to .018'' SS sectional wire with an offset for orthodontic traction.
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fig3
Orthodontic traction was applied from the J hook by an elastic chain to the sectional .018'' SS wire (Figure 3).
Final stages of extrusion and stabilization by a ligature.
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fig4
The orthodontic extrusion was evident by the visualization of margins of the previously embedded portion of the tooth (Figure 4).
After removal of J hook.
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fig5
Resin core built on the titanium post before crown preparation.
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fig6
A heavily filled light cured composite resin core P60 [3M ESPE] was placed and was prepared for a crown (Figure 6). A temporary composite crown was placed for two weeks after which porcelain fused to metal crown was cemented as the final restoration (Figure 7). 
UL4 porcelain crown.
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fig7
A heavily filled light cured composite resin core P60 [3M ESPE] was placed and was prepared for a crown (Figure 6). A temporary composite crown was placed for two weeks after which porcelain fused to metal crown was cemented as the final restoration (Figure 7). 