Fig. 4. Referred case with ledge in apical third of mesial canal
Fig. 6. Double curvature management with reduced risk to file separation in the second curve.
Fig. 1. High degree curvature in apical third of distal root canal.
Fig. 5. 1 year review. Ledge was managed with pre-bent SM2. Healing apical tissues.
Fig. 3. TFA-SM1 kept at a pre-bent state with help of cold spray.
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