PubMed · 3538242
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E Sada Moreno. 1986. [Blade implants].. https://pubmed.ncbi.nlm.nih.gov/3538242/
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A blade implant that was retrieved in 1990 after 231 months of clinical function (since 1971) was analyzed with respect to clinical, histological, and biomechanical characteristics. The implant clinical records demonstrated no abnormalities or pathological lesions over the tenure of treatment. The bone to implant interface showed a mixture of interfacial tissue components and conditions with adequate direct bone contact (46.4 to 82.3 percent) for classification as osseointegrated. The abutment fracture leading to removal was characterized as a cyclic fatigue mechanism and the distribution of tissue components along the interface could not be correlated with specific biomechanical loading directions. This report considers the clinical and biomechanical records as they relate to the detailed histological investigation.
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Surgical instruments simulated to oscillate by means of low-frequency performance ultrasound are particularly useful for specific fields of application. A survey describes the technical principle of action and the development work carried out at the Technical University of Karl-Marx-Stadt in the GDR to produce ultrasound instruments for tumour extraction and aspiration, for the insertion of stomatological leaf implants, for percutaneous lithotrips of kidney stones and for the surface treatment of septic wounds.