Abstract
This randomized controlled clinical trial evaluated the effect of mineralized plasmatic matrix (MPM), comprised of synthetic graft and platelet concentrates, on new bone formation and volume stability over time in maxillary sinus lifting (MSL). Unilateral MSL was performed in 20 patients with either beta-tricalcium phosphate (β-TCP) or MPM grafts (10 sinuses each). Six months postsurgery, specimens were obtained with a trephine bur prior to implant placement in 39 cases. Volumetric changes in sinus augmentation were analyzed between 1 week (T-I) and 6 months (T-II) postsurgery. Histomorphometric and histological analyses of biopsy samples revealed mean new bone percentages of 35.40% ± 9.09% and 26.92% ± 7.26% and residual graft particle areas of 23.13% ± 6.16% and 32.25% ± 8.48% in the MPM and β-TCP groups, respectively (p < 0.05). The mean soft-tissue areas in the MPM and β-TCP groups were 41.48% ± 8.41% and 40.83% ± 8.86%, respectively (p > 0.05). Graft reductions between baseline and 6-months postprocedure in the β-TCP and MPM groups were 17.12% ± 13.55% and 14.41% ± 12.87%, respectively, with significant graft volume reduction observed in both groups (p < 0.05) while there is no significant difference between MPM and β-TCP groups (p > 0.05). Thus, MPM, representing growth factors in a fibrin network, increases new bone formation and has acceptable volume stability in MSL procedures
Highlights
Tooth loss results in horizontal and vertical resorption of the residual bone; maxillary sinus pneumatization can develop simultaneously after tooth extraction in the maxillary molar region [1,2].To overcome this issue, various solutions have been proposed, such as the use of tilted implants applied in the anterior maxilla, short implants, zygoma implants and maxillary sinus augmentation combined with grafting procedures that implement autogenous bone, xenografts, allografts or alloplastic materials [3,4].Boyne and James first reported using iliac bone as a grafting material for maxillary sinus floor augmentation [5]
Various solutions have been proposed, such as the use of tilted implants applied in the anterior maxilla, short implants, zygoma implants and maxillary sinus augmentation combined with grafting procedures that implement autogenous bone, xenografts, allografts or alloplastic materials [3,4]
We evaluated the new bone percentages between Mineralized plasmatic matrix (MPM) and β-TCP groups after 6 months of healing and examined the volumetric changes in grafted sites after two-stage maxillary sinus lifting
Summary
Tooth loss results in horizontal and vertical resorption of the residual bone; maxillary sinus pneumatization can develop simultaneously after tooth extraction in the maxillary molar region [1,2].To overcome this issue, various solutions have been proposed, such as the use of tilted implants applied in the anterior maxilla, short implants, zygoma implants and maxillary sinus augmentation combined with grafting procedures that implement autogenous bone, xenografts, allografts or alloplastic materials [3,4].Boyne and James first reported using iliac bone as a grafting material for maxillary sinus floor augmentation [5]. Tooth loss results in horizontal and vertical resorption of the residual bone; maxillary sinus pneumatization can develop simultaneously after tooth extraction in the maxillary molar region [1,2]. To overcome this issue, various solutions have been proposed, such as the use of tilted implants applied in the anterior maxilla, short implants, zygoma implants and maxillary sinus augmentation combined with grafting procedures that implement autogenous bone, xenografts, allografts or alloplastic materials [3,4]. Boyne and James first reported using iliac bone as a grafting material for maxillary sinus floor augmentation [5]. Public Health 2020, 17, 1918; doi:10.3390/ijerph17061918 www.mdpi.com/journal/ijerph
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