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Failure of a dental implant is often related to the failure of the implant to osseointegrate correctly with the bone, or vice versa. [4] A dental implant is considered to be a failure if it is lost, mobile or shows peri-implant (around the implant) bone loss of greater than 1.0 mm in the first year and greater than 0.2 mm a year after. [5]
Long-term failures are due to either loss of bone around the tooth and/or gingiva due to peri-implantitis or a mechanical failure of the implant. Because there is no dental enamel on an implant, it does not fail due to cavities like natural teeth. While large-scale, long-term studies are scarce, several systematic reviews estimate the long-term ...
Peri-implant disease is an umbrella term for inflammatory diseases of tissues including both peri-implantitis and peri-implant mucositis. Peri-implant mucositis is a disease where inflammation is limited to the surrounding mucosa of an implant whereby peri-implantitis an inflammatory disease affecting mucosa as well as bone. [4]
Peri-implant mucositis is defined as an inflammatory lesion of the peri-implant mucosa in the absence of continuing marginal bone loss. [1]The American Academy of Periodontology defines peri‐implant mucositis as a disease in which inflammation of the soft tissues surrounding a dental implant is present without additional bone loss after the initial bone remodeling that may occur during ...
If the abutment screw becomes loose the final restoration cannot be removed without destroying it in many instances. This results in a remake and increased cost. Two, excess cement along the implant surface can potentially act as a medium for colonization by bacteria and can jeopardize the attachment, ultimately resulting in implant failure.
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