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Measurement of primary stability of the dental implant and the influence of the implant design
Dzan, Ladislav ; Šimůnek, Antonín (advisor) ; Čapek, Lukáš (referee) ; Németh, Tibor (referee)
1 SUMMARY Measurement of primary stability of the dental implant and the influence of the implant de- sign Primary stability is the lack of mobility in the bone after an implant insertion and it is conditioned by the quality and quantity of the bone, the surgical technique and the skill of the surgeon. Another element is the micro-design and especially macro-design of the implant, whose influence on the primary stability has not been given sufficient scientific attention. The objective of this report is to analyze the influence of the most commonly used threads for implant stability findings a stress distribution at the interface of the implant - bone and adjacent periimplant bone and mechanical load transfer from the implant to the surrounding bone (mechanical compatibility) for these types of threads. Another objective is the theoretical use of the Finite Element Analysis (FEA) which is used to analyze the influence of the length and diameter of the implant on the primary stability. The practical application is based on clinical studies that have shown a link between the length and diameter of the implant on one side and the primary stability on the other. The results obtained by the FEA confirms that the thread shape of the implant influences the resulting mechanical stress on the bone and the implant,...

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