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. 2019 Feb 26;11(2):124–146. doi: 10.4252/wjsc.v11.i2.124

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©The Author(s) 2019. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

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Details of the procedures performed immediately before and during the first surgery (guided bone regeneration-maxillary sinus augmentation). A: Rehydration of the MCBPA with PRGF-2 and UA-ADRCs; B: Preparation of the right maxillary sinus with a lateral external window after atraumatic extraction of tooth # 14 (the Schneiderian membrane was elevated); C: Filling of the right sinus cavity with loosely packed MCBPA/PRGF-2/UA-ADRCs; D: Achievement of primary closure without tension on the right side using horizontal mattress as well as a continuous half-hitch sutures. MCBPA: Mineralized cancellous bone particulate allograft; PRGF-2: Fraction 2 of plasma rich in growth factors; UA-ADRCs: Unmodified autologous adipose-derived regenerative cells.