University of Khartoum

The Health of Peri-implant Tissues around one and two stage dental implants – A clinical study

The Health of Peri-implant Tissues around one and two stage dental implants – A clinical study

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Title: The Health of Peri-implant Tissues around one and two stage dental implants – A clinical study
Author: ALI YOUSEF, IMRAN
Abstract: Although treatment with dental implantation has proved to be predictable and highly successful over long periods of time, there remain a number of situations where this modality of treatment becomes complex or fails and requires the carrying out of certain corrective procedures. Many criteria for success have been suggested, however, one of the widely accepted was defined by Albrektsson et al (1), which includes the following: • an individual, unattached implant is immobile when tested clinically; • absence of peri-implant radiolucency; • vertical bone loss should be less than 0.2 mm annually after the first year; • absence of persistent and/or irreversible signs and symptoms such as pain, infections, neuropathies, para-esthesia, or violation of the mandibular canal; • as a minimum criterion for success and in the context of the above, there should be success rate of 85%, at the end of a five year observation period and 80% at the end of a ten-year period. Whereas early failures of dental implant will present as pain, infection or loss of sensation, late failures will present as peri-implant radiolucency or continuous resorption of the bone around the installed fixture (2). Resorption takes place rapidly during the first year and then at a slower rate. If this continues it may demoralize the support of the implant and result in its failure and loss. Peri-implant tissue health is mandatory for the success of the dental implant. Plaque accumulations are considered the most important single factor in the initiation of gingivitis around natural teeth and dental implants. If left untreated, the condition might result in the resorption of the underlying bone, a IX condition that is termed periodontitis around natural teeth and peri-implantitis around dental implants. These facts and others indicate that reasonable periodontal health is important prior to the placement of implants. In addition to that the health of peri-implant tissues is important for the success of implant therapy and its prognosis. However, few studies were carried out to study the health of periimplant tissues compared to periodontal health around natural teeth in humans. On the other hand very few studies where conducted to examine the health of peri-implant tissues in relation to the timing of the implant therapy.
URI: http://hdl.handle.net/123456789/7681
Date: 2015-03-30


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