Brief Concepts & Evidence of Osseointegration [E7 dent., 2015;1:4-6]

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The term “Osseointegration” has been established widely when describing the concept of how does the dental implants “seal/ implantation” to the bone. And of course, we could never forget the great work Swedish Dr. Per-Ingvar Brånemark (1929-2014)
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  Introduction The term ÒOsseointegrationÓ has been established widely when describing the concept of how does the dental implants Òseal/ implantationÓ to the bone. And of course, we could never forget the great work Swedish Dr. Per-Ingvar BrŒnemark (1929-2014) achieved for us. 1  In early 1950Õs, he first began conducting experimenting with titanium implant chambers to study blood flow in rabbit bone, discovering that the bone had integrated so completely with the implant that the chamber could not be removed. BrŒnemark called the discovery ÒOsseointegration.Ó 1  In the mid 1960Õs, he began his first successful experiments on humans. Indeed, his first patient went on to live another 40 years with the srcinal implants still in place and functioning well. 1   At first very few fellow scientists took BrŒnemark very seriously and there was little acceptance of osseointegration as a viable treatment. In Sweden he was even openly ridiculed at scientific conferences. Eventually an emerging breed of young academics started to notice the work being performed in Sweden and at a Toronto Conference in 1983 the worldwide scientific community finally began accepting BrŒnemark's work. 1  One of well-known, and excited work from Dr. BrŒnemark was hanging the mandible of dogs, (Biomechanical Characterization of Osseointegration: An Experimental in-vivo  Investigation in the Beagle Dog) proofing the osseointegration of titanium implants and the mandible, which the forces/ loading contains one mature dogÕs weight. 2, 3 The srcinal definition of ÒosseointegrationÓ by BrŒnemark (1969), provided by Albrektsson et al. (1981) suggested that this was Òa direct functional and structural connection between living bone and the surface of a load carrying implant.Ó 4  The description then was applied by Newan et al. in CarranzaÕs Clinical Periodontology. (Elsevier) Another, clinical definition was provided by Zarb and  Albrektsson (1991) who proposed that osseointegration was Òa process whereby clinically asymptomatic rigid fixation of alloplastic materials is achieved and maintained in bone during functional loading,Ó 4  which the discussion including the bone analysis from the work of Lekholm & Zarb Classification.(1985) 5 These days, The concept of osseointegration has opened a new new emerging field of science, the biological surface science and Brief Concepts & Evidence of Osseointegration Chen-Che Hung, DDS. keywords: biomechanics, dental implants, osseointegration, titanium *the article is also available on perio.prostho.cc wordpress.com 9TR) :P XP 7 BPR 5fPXV 8/ OP *()-3)2,.,  stresses its importance in the field of alloplastic materials and dental implants. 6  which biomechanical forces are one of the scientific research topic to traced down the response and the maintenance of the osseointegrated forces between the dental implants and the bone. Evident-based Results  Although the concept and the clinical trail/ reviews of osseointegration reveals highly efficient, the real result of the biomechanics of new bone is still a consideration. Whether the bone is closely bonded to the surface or just a simple ÒstuckÓ on the titanium surface. The following clinical photos has shown some evident of the osseointegration. 50yrs more, a male patient came for the surgical removal of dental implants (posterior more, more or less 3yrs) due to the fracture of the screw inside the abutment. (occlusal loading fracture) Saving the implant was difficult since the fragments of the screw was blocking the pathway of the remaining thread, piezo-surgical remove is proceeded.  As the dental implants is removed, the bone on the titanium surface was magnificent. The density of the bone/ bone grafts was intact, and the bone was difficult to separate even using the curettes. Nevertheless, we could not identify the force amount between the 2 different materials, the bonding is compact accurately. Fixation was achieved and indirectly proofed the phrases Òa direct functional and structural connection between living bone and the surface of a load carrying implant.Ó Acknowledgement Surgical treatment and clinical photos are provided by Dr. Chi-Chou Huang DDS, MS at Nan-An Periodontics Dental Clinic. 9TR* DNSPXP  MTXPNSTN] NP] [[WTNT . 9TR A]]PTPRT P]W] OP XTN]N[TN TPa . 9TR, 5P MP R] MTOTR  TTX ]NP J)K9TR- 5P MP R] MTOTR  TTX ]NP J*K 8/ OP *()-3)2,. -  Reference 1.History of Osseointegration, European  Association for Osseointegration. (EAO) 2.BrŒnemark R., A Biomechanical Study of Osseointegration. - In-vivo  Measurements in Rat, Rabbit, Dog and Man, Dissertation Research, Gothenburg, Sweden, 1996. 3.BrŒnemark R., Ohrnell L., Skalak R., Carlsson L., BrŒnemark PI., Biomechanical Characterization of Osseointegration: An Experimental in-vivo  Investigation in the Beagle Dog., J Orthop Res, 1998;Jan;16(1):61-9. 4.Lindhe J., Berglundh T. et al, Osseointegration, Clinical Periodontology and Implant Dentistry 5th Ed., Blackwell Munksgaard, 2008;99-107. 5.Lekholm U., Zarb G.A., Albrektsson T., Patient Selection and Preparation. Tissue Integrated Prostheses, Quintessence Publishing Co. Inc., 1985;199-209. 6.Kinga T., Surface Aspects of Titanium Dental Implants, Biotechnology - Molecular Studies and Novel Applications for Improved Quality of Human Life, 2012. . 8/ OP *()-3)2,.
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