Abstract：【Objective】To study the the clinical effect of dental implant repair in patients with chronic periodontitis. 【Methods】52 patients with chronic periodontitis were selected from May 2012 to June 2013 in our hospital as the observation group,50 patients with periodontal health were selected as control group. The two groups were treated with the same dental implant repair technique. The successful rate of planting in the six months, 1 years and 3 years after implantation was observed and compared between the two patients. The volume of gingival crevicular fluid (PISF), the improved plaque index (mPLI), modified sulcus bleeding index (mSBI), probing pocket depth(PPD) and the attachment loss (AL) were recorded and compared.【Results】 The success rate of the observation group in the half year and 1 year was slightly lower than that in the control group, but there was no significant difference; But retention rate of observation group was significantly lower than the control group after 3 years (P<0.05);Volume of pri-implant sulcular fluid PISF,mSBI,PPD,AL of the observation group was significantly higher than the control group; modified plaque index (mPLI) was significantly lower in the control group (P<0.05).【Conclusion】For chronic periodontitis patients, the short-term curative effect of dental implant repair technique is good, but the long-term curative effect is poor. It may be associated with chronic periodontitis and peri implant inflammation.
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2017, Vol. 34 
