Impact of supportive periodontal therapy and implant surface roughness on implant outcome in patients with a history of periodontitis
: Blackwell Synergy
Objective: This review searched for a relationship between susceptibility to
periodontitis and peri-implantitis, with implant outcome as the primary outcome
variable and supportive periodontal therapy (SPT) and implant surface roughness as
Material and Methods: It is based on a MEDLINE search up to June 2006. Only 16
fulfilled the selection criteria. The heterogeneity of the studies (e.g. periodontal status,
SPT, prosthetic design, . . .) rendered a meta-analysis impossible.
The impact of a history of periodontitis on early implant loss was negligible. Only
five papers reported sub-data for patients with different degrees of periodontitis. Four
out of five papers indicate a higher incidence of late implant loss and/or marginal bone
loss in patients with a history of periodontitis. This difference was most obvious for
very rough implants (three papers), and/or when SPT was not organized (one paper).
Other confounding factors were often neglected. Another 10 papers only reported the
outcome of implants in patients with a history of periodontitis. In case of SPT and
when avoiding roughened surfaces, late implant loss remained below 3%, and
marginal bone loss remained low.
Conclusions: These results seem to indicate that periodontally compromised patients
can be successfully treated with minimally/moderately rough implants, in the presence
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