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Dental implants are artificial roots implanted in the bone supporting fixed prostheses.
The process that determines the integration of the dental implants with the bone is called “osseointegration.” The term was coined at the end of the ’60s by the man who first experimented with it, Prof. Branemark, professor at the Applied Biotechnologies Institute in Goteborg.
The osseointegration process aims to ensure a complete and lasting integration of the pillar teeth in the bone. It uses titanium intraosseous screw implants, loaded with a prosthesis after 3-4 months for the mandible or 5-6 month in the maxilla. All other methods may not ensure a complete osseointegration, with the formation of more or less vast areas of fibrosis around the implants, a condition that exposes to peri-implantitis and the consequent loss of teeth.
Thus, to increase chances of success of the osseointegration process, it would be best not to load the prostheses (single crowns, bridges, full arches) immediately, but rather wait for a time between 3 and 6 months to give the implants the chance to integrate with the bone without undergoing the stress of an occlusal load.
We should say here that dental implantology has made great progress over the past few years: many things have changed since Prof. Branemak introduced the concept of osseointegration. Today the possibility of having new teeth in one session is much discussed.
This technique is called “immediate load implant.” Thanks to this type of operation, the prostheses can be applied immediately after the implants have been inserted: this technique is used and sustained by the scientific world today, but it presents some risks.
According to a study carried out by the Department of Oral and Maxillofacial Surgery of the Massachusetts General Hospital in Boston, immediate load implants increase chances of failure of dental implants by 27% compared to traditional implantology (aka delayed loading) one year after the procedure (Delayed versus immediate loading of implants: survivor analysis and risk factors for dental implant failure, Susarla SM, Chuang SK, Dodson TB, J. Oral Maxillofac Surg, 2008, feb, 66(2):251-5).
Maybe, to increase the chances of success of implants, it is best to wait for them to stabilize before reestablishing the function of the teeth, don’t you think?
At IMI Clinic we prefer to give the patient’s bone the time to perfect its biological integration with the implant, without compromising this process with an immediate load.
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