ArticleInternational journal of implant dentistry2024
Minimally invasive balloon-assisted sinus floor elevation vs. conventional transcrestal procedure in terms of new bone formation in a split-mouth Goettingen minipig model.
Article in International journal of implant dentistry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeCurrently, maxillary sinus floor (SF) elevation is based on off-the-shelf allogeneic, xenogeneic or synthetic bone augmentation materials (BAM) that are implanted via an open lateral sinus wall approach (OSFE). However, this invasive method is associated with postoperative complications caused by an inadequate blood supply of the alveolar ridge. Balloon-assisted procedures are minimal invasive alternatives with lower complication rates. The aim was to evaluate local new bone (NB) formation in the SF following the application of a particulate BAM (Easy graft) via two different SF elevation techniques in a split mouth mini-pig sinus augmentation model. MATERIAL AND
methodsSeven adult Goettingen minipigs were used for evaluation of a biphasic ceramic (PLGA/ß-TCP) BAM in the elevated SF region. Treatments were randomized to the contralateral sinus sites and included two procedures: OSFE (control group) versus minimally invasive SF elevation by a balloon-lift-control system (BLC) (treatment group). The animals were euthanized after 28 and 56 days for analysis of new bone (NB) formation.
resultsThe biphasic synthetic BAM implanted via BLC increased more NB formation (5.2 ± 1.9 mm and 4.9 ± 1.6 mm vs. 2.6 ± 0.5 mm) and osseointegration of the particles (18.0 ± 6.0% and 25.1 ± 18.2% vs. 10.1 ± 8.0%, p < 0.05) compared to the control.
conclusionsImplantation of a biphasic synthetic BAM enhanced NB formation in the mini-pig maxillary sinus at both time points and in both groups, although BLC resulted in a slightly better total NB formation compared to the control.
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