Nine‐to fourteen‐year follow‐up of implant treatment. Part III: factors associated with peri‐implant lesions

On the implant level, the presence of keratinized mucosa (p=0.02) and plaque (p=0.005) was associated with mucositis (probing depth 4 mm+bleeding on probing). The bone level at implants was associated with the presence of keratinized mucosa (p=0.03) and the presence of pus (p<0.001). On the patient level, smoking was associated with mucositis, bone level and peri-implantitis (p=0.02, <0.001 and 0.002, respectively). Peri-implantitis was related to a previous history of periodontitis (p=0.05).

Conclusions: Individuals with a history of periodontitis and individuals who smoke are more likely to develop peri-implant lesions.