A Novel Technique to Prevent the Sinus Membrane Collapse for Maxillary Sinus Floor Augmentation without Bone Graft: Technical Note

Scarano, Antônio; Murmura, Giovanna; Mastrangelo, Filiberto; Lorusso, Felice; Lucchina, A Greco

doi:10.20944/preprints201804.0211.v1

Cited by 6 publications

(5 citation statements)

References 5 publications

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“…Osteoconduction is a process correlated to the capability of a biomaterial to create the physical space-maintaining of the regenerative space, to create the stability of the blood clot in the healing period and to provide the reparative growth of the native bone [ 11 , 12 , 13 , 14 , 15 ]. Osteoinduction is a process in which the biomaterial shows the capability to stimulate the recruitment, proliferation and the differentiation of the osteoprogenitor cells, inducing new bone formation [ 11 , 16 , 17 , 18 , 19 , 20 ]. The osteogenesis property is typical of biomaterials self-provided by osteoprogenitors cells, such as autologous graft that represents the gold standard for bone regeneration [ 11 , 16 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

Synthetic Scaffold/Dental Pulp Stem Cell (DPSC) Tissue Engineering Constructs for Bone Defect Treatment: An Animal Studies Literature Review

Lorusso

Inchingolo

Dipalma

et al. 2020

IJMS

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Background: Recently a greater interest in tissue engineering for the treatment of large bone defect has been reported. The aim of the present systematic review and meta-analysis was to investigate the effectiveness of dental pulp stem cells and synthetic block complexes for bone defect treatment in preclinical in vivo articles. Methods: The electronic database and manual search was conducted on Pubmed, Scopus, and EMBASE. The papers identified were submitted for risk-of-bias assessment and classified according to new bone formation, bone graft characteristics, dental pulp stem cells (DPSCs) culture passages and amount of experimental data. The meta-analysis assessment was conducted to assess new bone formation in test sites with DPSCs/synthetic blocks vs. synthetic block alone. Results: The database search identified a total of 348 papers. After the initial screening, 30 studies were included, according to the different animal models: 19 papers on rats, 3 articles on rabbits, 2 manuscripts on sheep and 4 papers on swine. The meta-analysis evaluation showed a significantly increase in new bone formation in favor of DPSCs/synthetic scaffold complexes, if compared to the control at 4 weeks (Mean Diff: 17.09%, 95% CI: 15.16–18.91%, p < 0.01) and at 8 weeks (Mean Diff: 14.86%, 95% CI: 1.82–27.91%, p < 0.01) in rats calvaria bone defects. Conclusion: The synthetic scaffolds in association of DPSCs used for the treatment of bone defects showed encouraging results of early new bone formation in preclinical animal studies and could represent a useful resource for regenerative bone augmentation procedures

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Section: Introductionmentioning

confidence: 99%

Synthetic Scaffold/Dental Pulp Stem Cell (DPSC) Tissue Engineering Constructs for Bone Defect Treatment: An Animal Studies Literature Review

Lorusso

Inchingolo

Dipalma

et al. 2020

IJMS

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“…The sinus augmentation procedures are generally oriented in relation to the vertical residual bone tissue with a two-stage/single stage surgery [51,52]. The capacity of a successful primary stability with a 2-3 mm residual bone takes advantage of a strong reduction of the rehabilitation period, less surgical interventions, and a cost-effective procedures [53].…”

Section: Discussionmentioning

confidence: 99%

Mechanical Behaviour and Primary Stability of a Self-Condensing Implant: A Laboratory Critical Simulation of a Severe Maxillary Atrophy on Polyurethane Lamina

Comuzzi¹,

Iezzi

Lucchese

et al. 2022

Applied Sciences

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Background: Posterior maxillary atrophies could emerge after the loss of teeth, trauma, infections, or lesions that often require regenerative approaches. In these critical conditions, the achievement of implant primary stability represents a clinical challenge in the operative practice. Therefore, a two-stage approach is often preferred with a delay of the rehabilitation time and a consistent increasing of the biological and the operative costs. The aim of this study was to evaluate the mechanical behaviour of a self-condenser implant compared to a standard implant in a critical simulation on different thicknesses and densities of polyurethane lamina. Materials and methods: A total of two implant models were tested: a self-condensing device (test) and a standard implant (control). The study evaluated the insertion torque and the pull-out strength values of the test and control implants inserted in different sizes (1, 2, and 3 mm) and density polyurethane lamina (10, 20, and 30 pcf) for a total of 320 experimental sites. Results: In total, 320 experimental sites were produced in the polyurethane samples. A statistically significant difference of insertion and pull-out torque values between the test and control Implants was found in the different bone densities (p < 0.05). The insertion and pull-out torque values were always higher for the test implants in all experimental conditions. In all bone densities, the insertion torque values were higher than the pull-out torque values. The self-condenser dental implant design evaluated in this in vitro study showed a high level of stability in all experimental conditions. Conclusions: The test implant could represent a useful tool for a one-stage surgical approach in the presence of limited residual native bone as an alternative to a delayed technique.

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“…It can be fixated with pins or osteosynthesis screws [ 13 , 15 , 21 ], or directly sutured (the Fine model) to the surrounding tissues, with a triangular section non-traumatic needle [ 22 ]. These features are particularly helpful when it is necessary to maintain the graft volume in aesthetic areas, as well as in horizontal augmentation [ 15 , 23 , 24 ] of two wall defects, and for covering antrostomy in lateral access sinus augmentation procedures [ 21 , 25 , 26 ]. Lamina can also be used in regeneration procedures with the risk of exposure.…”

Section: Discussionmentioning

confidence: 99%

Multi-Layer Technique (MLT) with Porcine Collagenated Cortical Bone Lamina for Bone Regeneration Procedures and Immediate Post-Extraction Implantation in the Esthetic Area: A Retrospective Case Series with a Mean Follow-Up of 5 Years

et al. 2021

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Background: Augmentation of the edentulous atrophic anterior region is a challenging situation. The purpose of this article was to evaluate the effectiveness of a collagenated cortical bone lamina of porcine origin for horizontal ridge augmentation in patients with inadequate alveolar ridge width undergoing immediate post-extraction implantation in the anterior sites, and to report on implant survival rates/complications. Materials and methods: The cases were extracted electronically from a large database according to these specific inclusion criteria: patients with inadequate alveolar ridge width in the anterior maxilla or mandible, who underwent immediate post-extraction implant placement and simultaneous alveolar bone reconstruction using xenogeneic cortical bone lamina. An additional layer of palatal connective tissue graft was inserted between lamina and the vestibular mucosa, for improving soft tissue healing. A collagenated bone substitute was additionally placed in the gap between the lamina and implant surface in all patients. The main outcomes were implant survival and complications. Results: Forty-nine patients with 65 implants were included. Patients’ mean age at the time of implant surgery was 60.0 ± 13.6 years. The mean follow-up was 60.5 ± 26.6 months after implant placement. The implant survival was 100%. Four postoperative complications occurred in four patients. No specific factor was found to be associated with complication occurrence. Conclusion: The use of collagenated cortical bone lamina can be considered as a successful option for alveolar reconstruction in immediate post-extraction implant insertion procedures in anterior regions with inadequate alveolar ridge width.

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A Novel Technique to Prevent the Sinus Membrane Collapse for Maxillary Sinus Floor Augmentation without Bone Graft: Technical Note

Cited by 6 publications

References 5 publications

Synthetic Scaffold/Dental Pulp Stem Cell (DPSC) Tissue Engineering Constructs for Bone Defect Treatment: An Animal Studies Literature Review

Synthetic Scaffold/Dental Pulp Stem Cell (DPSC) Tissue Engineering Constructs for Bone Defect Treatment: An Animal Studies Literature Review

Mechanical Behaviour and Primary Stability of a Self-Condensing Implant: A Laboratory Critical Simulation of a Severe Maxillary Atrophy on Polyurethane Lamina

Multi-Layer Technique (MLT) with Porcine Collagenated Cortical Bone Lamina for Bone Regeneration Procedures and Immediate Post-Extraction Implantation in the Esthetic Area: A Retrospective Case Series with a Mean Follow-Up of 5 Years

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