Abstract
In the last decade, several investigators have reported that autologous and homologous fresh frozen bones (FFB) are effective materials to restore alveolar ridges previous to insert dental implants. Recently we have used cryopreserved homologue grafts (CFFB). Here we reported a retrospective comparative study between implants inserted in FFB and CFFB evaluate their clinical outcome. Patients were treated with a split mouth scheme for bone grafting with FFB and CFFB and spiral family implants (SPI) were inserted in the same surgical time. Several variables (patient, grafts, anatomic site, implant, prosthetic restoration) were investigated. Implant’ failure and peri-implant bone resorption were considered as predictor of clinical outcome. A total of 84 SFIs were inserted in 12 patients. Implants were inserted to replace 8 incisors, 4 cuspids, 31 premolars and 41 molars. The mean follow-up was 14 months. Three out of 84 implants was lost (i.e. survival rate SVR = 96.4%) and no differences were detected among the studied variables. Similar result was obtained by analyzing the crestal bone resorption around implant’ neck (i.e. success rate). FFB and CFFB have high and comparable survival and success rate. Implants inserted with one step surgical procedure in native (i.e. not grafted) bone, FFB and CFFB have similar clinical outcome.
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Acknowledgment
This work was supported by FAR from the University of Ferrara (FC), Ferrara, Italy, and from Regione Emilia Romagna, Programma di Ricerca Regione Universita, 2007–2009, Area 1B: Patologia osteoarticolare: ricerca pre-clinica e applicazioni cliniche della medicina rigenerativa Unita Operativa n. 14, and PRIN 2008 (F.C.).
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Viscioni, A., Franco, M., Paolin, A. et al. Effectiveness of fresh frozen and cryopreserved homologue iliac crest grafts used in sinus lifting: a comparative study. Cell Tissue Bank 12, 263–271 (2011). https://doi.org/10.1007/s10561-010-9192-6
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DOI: https://doi.org/10.1007/s10561-010-9192-6