PMC3284024_01
(a) A 46-year-old woman presented with reduced mouth opening associated with oral submucous fibrosis; (b) Modified endodontic instruments with a bent near the end of flutes; (c) Modified ProTaper instrument; (d) Pre-operative radiographic view showing three roots in mandibular first molar; (e) Post-operative radiographic view
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F1
The inter-incisal opening was 18 mm [Figure 1a]. Therefore, the instruments were bent at an obtuse angle at the shank, where the flutes ended [Figure 1b]. Endodontic therapy was completed using modified ProTaper instruments [Figure 1c]. Final radiograph was taken to establish the quality of the obturation [Figure 1d and e].