PMC3530753_01
Preoperative radiograph.
CRIM.DENTISTRY2012-389387.001.jpg
PMC3530753_01_CRIM.DENTISTRY2012-389387.001.jpg
fig1
The initial periapical radiograph revealed widening of the apical periodontium and was indicative of an unusual complex root canal anatomy (Figure 1).
Length-determination radiograph.
CRIM.DENTISTRY2012-389387.002.jpg
PMC3530753_01_CRIM.DENTISTRY2012-389387.002.jpg
fig2
Morita Mfg Corp, Kyoto, Japan) and confirmed with a perapical radiograph (Figure 2).
Pulp chamber floor after root canal preparation.
CRIM.DENTISTRY2012-389387.003.jpg
PMC3530753_01_CRIM.DENTISTRY2012-389387.003.jpg
fig3
Figure 3 shows the photograph of the chamber floor after instrumentation. Final irrigation was done with 20 mililiter 2.5% sodium hypochlorite followed by 20 milliliter normal saline irrigation.
Postoperative radiograph.
CRIM.DENTISTRY2012-389387.004.jpg
PMC3530753_01_CRIM.DENTISTRY2012-389387.004.jpg
fig4
A final radiograph (Figure 4) was taken and the patient was referred to take a cone-beam computed tomography (CBCT) scan for approving this rare and unusual root canal anatomy of the tooth and other possible anomalies.
CBCT evaluation.
CRIM.DENTISTRY2012-389387.005.jpg
PMC3530753_01_CRIM.DENTISTRY2012-389387.005.jpg
fig5
CBCT revealed the presence of 2 roots including one palatal root with 2 canals; each with a distinct root canal having separate orifices and separate exits and a large buccal root canal (Figure 5).
12 months follow up.
CRIM.DENTISTRY2012-389387.006.jpg
PMC3530753_01_CRIM.DENTISTRY2012-389387.006.jpg
fig6
The tooth was clinically and radiographically asymptomatic (Figure 6).