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Continue to ChatThe 'Nayyar' core, a video by Mahul Patel and a paper on immediate core build-ups for root canal treated teeth by Southard 1999 https://restorativedentistry.org/2019/01/25/the-nayyar-core-a-video-by-mahul-patel-and-a-paper-on-immediate-core-build-ups-for-root-canal-treated-teeth-by-southard-1999/