Bioimplant, especially a dental implant

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Production of a metallic implant having a hydrophilic surface comprises partially inserting the implant into hard tissue in a bone or into soft tissue and treating for a short time in an aqueous or organic solution of alkali and/or alkaline earth hydroxides or a mixture of these hydroxides having a total concentration of 0.005-0.5 M hydroxides optionally after material removal and/or chemical surface modification. An independent claim is also included for a metallic implant produced by the above process. Preferred Features : The alkali hydroxide is a strontium hydroxide in an amount of 0.05-0.1 M. Metal oxides are modified in the treatment step.