Results and design process of fixing points of a custom- made subperiosteal implant used in dentistry based on technological possibilities and empirical experiences

Kónya, János and Kulcsár, Klaudia (2020) Results and design process of fixing points of a custom- made subperiosteal implant used in dentistry based on technological possibilities and empirical experiences. KATONAI LOGISZTIKA, 1-2 (1-2). pp. 262-283. ISSN 1588-4228

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Abstract

In our study, we retrospectively investigated the implant success rate in patients with bone deficiency in a 6-year time interval. The follow-up, analysis, and evaluation of these cases were of vital importance to im- plement an evolutionary design process. With the demonstration of the implementation steps and phases, we give an explanation of the whole construction process of the idealised fixing element. This study inves- tigates fixing points used as pillar elements for cortically-supported in- dividual subperiosteal implants in order to achieve optimal implemen- tation method of the manufacturing technology, mechanical strength for the used titanium implant material, and overall material homogene- ity. By analysing case reports during the design process, minimum physical limits for sizes of fixing pillars were investigated. Hereby, me- chanical loads caused by static and dynamic articulation movements were analysed considering interocclusal distance dimensions. Func- tional and red white aesthetics, which relates to the interface between gum tissue and denture, were major aspects during the development. While designing these ideal pillars, practical experiences could contrib- ute to the perfect biological subgingival compatibility, which accommo- dates internal surfaces of implant-surrounding mucous membrane. We have put a great emphasis on the analysis of biological, physiological, functional, and technical problems of individual implants regarding pil- lars and fixing points. As a result, anatomical and physical locations, geometrical design and function of the conventional fixing points for customisable individual implants were determined.

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