Histopathological comparison of healing after maxillary sinus augmentation using xenograft mixed with autogenous bone versus allograft mixed with autogenous bone

Clinical Oral Implants Research
Pablo Galindo-MorenoFrancisco O Valle

Abstract

To compare the clinical and histologic outcomes of two different grafting materials (allograft and xenograft) when combined with autogenous bone and covered with a collagen membrane for sinus augmentation. A parallel case series of fourteen patients in need of a unilateral sinus augmentation was evaluated in this study. Seven patients received a graft composed by autologous cortical bone (ACB) and anorganic bovine bone in a ratio of 1:1; the other seven patients received ACB mixed with an allograft in the same ratio. Bone biopsies were obtained 6 months after sinus augmentation at the time of implant placement. Comparative histomorphometrical, histopathological, and immunohistochemical analyses were conducted and statistically analyzed. After 12 months of functional loading, all implants in both groups were clinical and radiographically successful. Histomorphometrically, although the initial bone formation was not significantly different between groups (new mineralized tissue: 41.03(12.87)% vs. 34.50(13.18)%, p = .620; allograft vs. xenograft groups), the graft resorbed faster in the allograft group (remnant graft particles: 9.83[7.77]% vs. 21.71[17.88]%; p = .026; allograft vs. xenograft groups). Non-mineralized tissue did not...Continue Reading

References

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Mar 2, 2012·Clinical Implant Dentistry and Related Research·Pablo Galindo-MorenoFrancisco O'Valle
Sep 13, 2012·Implant Dentistry·Pablo Galindo-MorenoFrancisco O'Valle
Jan 30, 2013·Clinical Oral Implants Research·Pablo Galindo-MorenoFrancisco O'Valle
May 21, 2013·Clinical Implant Dentistry and Related Research·Tonino TrainiGiovanna Iezzi
Feb 6, 2015·Journal of Bone and Mineral Research : the Official Journal of the American Society for Bone and Mineral Research·Darnell KaiglerWilliam V Giannobile
Jun 13, 2015·BioMed Research International·Miguel Padial-MolinaPablo Galindo-Moreno
Jul 28, 2016·Implant Dentistry·Miguel Velasco-TorresPablo Galindo-Moreno
Jan 27, 2017·Implant Dentistry·Miguel Velasco-TorresPablo Galindo-Moreno

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Citations

May 6, 2019·International Journal of Molecular Sciences·Miguel Padial-MolinaPablo Galindo-Moreno
Aug 20, 2019·Implant Dentistry·Kazushige TanakaDaniele Botticelli
Aug 18, 2018·Scientific Reports·Francisco O'VallePablo Galindo-Moreno
Jun 20, 2018·International Journal of Environmental Research and Public Health·Antonio ScaranoPablo Santos de Oliveira
Nov 11, 2018·Journal of Functional Biomaterials·Gianluca TurcoRoberto Di Lenarda
Apr 4, 2021·International Journal of Molecular Sciences·Miguel Padial-MolinaFrancisco O'Valle
Apr 14, 2021·International Journal of Oral Science·Yan WeiHaibin Xia
May 27, 2021·Experimental Biology and Medicine·Deboleena KanjilalJ Patrick O'Connor

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