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. 2022 Oct 17;56(1):118–127. doi: 10.1111/iej.13836

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© 2022 The Authors. International Endodontic Journal published by John Wiley & Sons Ltd on behalf of British Endodontic Society.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Virtual root canal anatomy (lateral and mesial views) of 3D‐printed root canal models: Long‐narrow (a) short‐narrow (b) long‐wide (c) and short‐wide (d) isthmus morphologies.