Nine- to fourteen-year follow-up of implant treatment. Part III: factors associated with periimplant lesions
: Ann Marie Roos-JansaÃ‚Â°ker
: journal of clinical periodontology
Objective: The aim of the present paper was to analyse, on patient and implant basis,
factors related to peri-implant lesions.
Material and Methods: Two hundred and eighteen patients treated with titanium
implants were examined for biological complications at existing implants 9Ã¢â‚¬â€œ14 years
after initial therapy. The effects of several potentially explanatory variables, both on
patient and on implant levels, were analysed.
Results: On the implant level, the presence of keratinized mucosa (p50.02) and
plaque (p50.005) was associated with mucositis (probing depth X4mm1bleeding
on probing). The bone level at implants was associated with the presence of keratinized
mucosa (p50.03) and the presence of pus (po0.001). On the patient level, smoking
was associated with mucositis, bone level and peri-implantitis (p50.02, o0.001 and
0.002, respectively). Peri-implantitis was related to a previous history of periodontitis
Conclusions: Individuals with a history of periodontitis and individuals who smoke
are more likely to develop peri-implant lesions.
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