Freestanding implants with mandibular overdentures are used frequently after 3 months' healing time. Immediate full loading may be applied to this approach if sufficient primary stability is provided. The present study evaluates the success rate of two single-standing interforaminal implants stabilized with cortical satellite implants and loaded immediately with overdentures. Twenty patients (five male and 15 female; age, 45-87 years) received two single-standing titanium screw implants (Semados, Bego, Bremen, Germany). All implants were stabilized during healing time with cortical satellite implants (2.0-mm bone screws; Medartis, Basel, Switzerland) via individual connectors attached to the implant abutment subgingivally. Mandibular overdentures were incorporated immediately after surgery using ball attachments as retentive elements. The patients were under no restrictions concerning diet and loading. The satellite implants were removed after 3 months. All implants were osseointegrated after 10 months' mean observation time. The mean Periotest value was -4.9, and the mean marginal bone loss was 0.7 mm. No dropouts were observed, and 19 of 20 patients would recommend the treatment to a close friend. Preliminary follow-up data indicate that cortical stabilization of two anterior mandibular implants with satellite implants leads to osseointegration of the implants under immediate load conditions with an overdenture. This concept contributes to reduction of prosthetic treatment costs and permits immediate enhancement of masticatory function.
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http://dx.doi.org/10.1097/01.id.0000154796.97355.2d | DOI Listing |
Biology (Basel)
December 2024
Department of Cardiology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China.
PEAR1, also known as platelet endothelial aggregation receptor 1, is known to play a crucial role in the migration and differentiation of muscle satellite cells (MuSCs). However, its specific effects on skeletal muscle development and regeneration require further exploration. In this study, the expression of PEAR1; the proliferation marker proteins of Pax7, CCNB1, and PCNA; and the key molecules of N1-ICD, N2-ICD, and Hes1 were all increased gradually during the process of C2C12 cell proliferation.
View Article and Find Full Text PDFOper Neurosurg (Hagerstown)
January 2025
Department of Neurological Surgery, University of Virginia Health System, Charlottesville, Virginia, USA.
Adult spinal deformity comprises a heterogeneous group of disorders that primarily affects older patients and can have a significant negative affect on health-related quality of life. Operative treatment for adult spinal deformity typically entails posterior instrumented fusions that have demonstrated the potential to significantly improve health-related quality of life outcomes. However, until fusion is achieved, the instrumentation providing structural support is subject to repetitive cyclical loading that disproportionately fatigues high-stress areas and can result in instrumentation failure.
View Article and Find Full Text PDFJ Anim Sci
January 2025
Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX USA.
The number of beef × dairy animals entering feedlots has increased, but the response of beef × dairy cattle to growth-promoting implants has not been well characterized. The objective of this study was to evaluate the effects of breed type and implant administration on live performance, carcass characteristics, sera metabolites, and immunohistochemical (IHC) outcomes. Forty-eight steers (average body weight [BW] = 417±22 kg) were sorted by breed into groups of predominantly Angus (B), black-hided beef × primarily Holstein (B×D), or Holstein (D), and half of the steers within each breed type were administered a steroidal implant.
View Article and Find Full Text PDFStem Cells Int
December 2024
Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Shanghai Stomatological Hospital and School of Stomatology, Fudan University, Shanghai, China.
Int J Mol Sci
December 2024
Department of Otorhinolaryngology, Medical University Innsbruck, 6020 Innsbruck, Austria.
We determined the relative expression levels of the receptors , , , and and ligands , , , and with RNAseq analysis on fetal human inner ear samples, located TrkB and TrkC proteins, and quantified with in situ hybridization on histological sections between gestational weeks (GW) 9 to 19. Spiral ganglion neurons (SGNs) and satellite glia appear to be the main source of and synthesis peaks twice at GW10 and GW15-GW17. Tonotopical gradients of revert between GW8 and GW15 and follow a maturation and innervation density gradient in SGNs.
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