ISO 14801 – Dentistry — Implants — Dynamic fatigue test for endosseous dental implants

This International Standard specifies a method of fatigue testing of single post endosseous dental implants of the transmucosal type and their premanufactured prosthetic components.  It is most useful for comparing endosseous dental implants of different designs or sizes.  While this International Standard simulates the functional loading of an endosseous dental implant body and its premanufactured prosthetic components under “worst case” conditions, it is not applicable for predicting the in vivo performance of an endosseous dental implant or prosthesis, particularly if more than one implant is used for a prosthesis.

Generate the data for a load-cycle diagram at a series of loads, until a lower limit (maximum endured load) is reached at which at least three specimens survive and none fails in the specified number of cycles.  Plot the measured points in a load-cycle diagram.  If testing is conducted at frequencies < 2 Hz, testing shall be conducted to 2 million cycles.  For testing conducted at frequencies > 2 Hz, testing shall be conducted to 5 million cycles.  An appropriate starting load is 80 % of the load to failure in a static test performed using the same test geometry.  Subsequent tests typically are performed at lower loads.  At least two, and preferably three, specimens shall be tested at each of at least four loads.

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