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Slide Pubblicazioni Scientifiche

Dentista Moderno, Italy – October 2016 – Follow-up after two years to check the health of peri-implant tissues and bone stability of a number of cases with immediate post-extraction insertion of a recently developed bone implant system

Dentista Moderno, Italy • October 2016

Follow-up after two years to check the health of peri-implant tissues and bone stability of a number of cases with immediate post-extraction insertion of a recently developed bone implant system.First report

Jonas Lorenz University Hospital Frankfurt · Department of oral, maxillofacial and plastic surgery, Henriette Lerner HL DENTCLINIC, Robert A. Sader Goethe-Universität Frankfurt am Main · Center of Stomatology
and Shahram Ghanaati Goethe University of Frankfurt/Main; Universitätsmedizin der Johannes Gutenberg-Universität Mainz · Department for Oral, Craniomaxillofacial and Facial Plastic Surgery; Institute of Pathology

Introduction
Dental implants have become a reliable and predictable treatment method in dentistry to replace the tooth and prosthesis in case of edentulism. Therefore the oral health, shape, operation, chewing, articulation and aesthetics of the stomatognathic apparatus can be restored with a multi-year success rate of more than 90% in the case of implants set in completely or partially edentulous patients.
For the success of an implant in the long term it is necessary to meet some specific technical and constructive requirements. An additional factor that is essential for the long-term stability of peri-implant bone tissue and to ensure an aesthetically and functionally adequate dental implant is the stability of the implant-abutment connection, as it is inevitable that a space or micro-gap will be created between the implant and the abutment. Nevertheless, there will be a smaller micro-gap if the design is equipped with a cone Morse connection and platform switching, which transfer the micro-gap to the front of the implant axis and reduce micro-motion. Therefore, the pumping of sulcular fluid and, consequently, crestal bone loss can be reduced even when the implant is inserted under the crest (subcrestal).

The purpose of the series of cases presented is to describe, for the first time, the clinical and radiological results after two years of immediate setting of 50 implants with a new sandblasted and acid-etched surface implant system and cone Morse connection.

During the observation period which averaged two years, none of the implants presented failures or acute or peri-implant infections. All implants had a sufficient amount of keratinised peri-implant soft tissue, reduced probing depths (2.25 mm on average) and good BOP (34%). After about two years of use, peri-implant bone level was stable and with an average bone loss of 0.83 mm.

With an average observation period of two years, the implant considered with immediate setting on the bone, rough surface and conical connection was shown to preserve the health status of the soft and hard peri-implant tissues. The parameters analysed are the same or better than comparable studies in the international literature.


 

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