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. 2021 Nov 25;12(4):66. doi: 10.3390/jfb12040066

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Representative clinical case with 4-year clinical and radiographic follow-up. (a) Initial radiograph with 4 mm of residual alveolar bone height. (a) Clinical situation at baseline. (b) Occlusal view after gentle tooth extraction with maintenance of interradicular septum. (c–h) Septum expansion after sequential instrumentation with osseodensification. (d) Radiograph of densifying bur VT1525 (2.0) in interradicular septum. (i,j) ISQ measurement after implant placement (primary stability). (k–m) Grafting of the gap and socket sealing with large healing abutment. (n) ISQ measurement after osseointegration period (secondary stability). (o) Contour maintenance after healing. (p,q) Clinical and radiographic follow-up after 4 years.