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Time intensity of the smoker patient associated with peri-implant bone loss, control +5 year.
EAO Online Library. Dumes Montero J. Oct 9, 2018; 232475; P- PB- 23
Juan Felipe Dumes Montero
Juan Felipe Dumes Montero
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The adverse effects of smoking on systemic and oral health are widely known. In order to understand in a clearer and more specific way the relation of smoking as an indicator of risk for peri-implant bone loss. The time and intensity of the habit are major and decisive factors in the short and long-term response to bone loss. The purpose of this study was to evaluate the influence of smoking (time intensity) in peri-implant bone loss in patients less or more than 5 years of peri-implant bone loss in patients less or more than 5 years of control. In 290 patients (1043 implants) attended by periodontal support program of the Federal University of Santa Catarina, 36 patients had a history of smoking, including 19 with smoking frequency of moderate to heavy were selected. Rehabilitated with 74 implants of the type external hexagon at the level of the bone crest and over a year of follow-up after installing the prosthesis. Bone loss was determined by comparing periapical radiographs taken at first (PO-1) control of the prosthesis with the revaluation radiographs in a second phase control (PO-2). For this comparison we used the image analysis software (Digimizer), measuring the distance between the component-implant interface and the first implant-bone contact. The measurements were made by a single blinded calibrated investigator evaluated the same site (M D) of each implant in both controls, were divided in control patients with more or less than 5 years.The results of bone loss comparison of patients were statistically analyzed using chi-square test, with significance level (p> 0.001). Results- In patients less of 5 years of control implant showed 70.2% of pathological bone loss (0.70mm + - 0.045mm) compared to 44.4% in patients more of 5 years of control (0.045mm, + - 0.042mm).Although, peri-implant bone loss is a multifactorial process, this study indicates that the the first 5 years of control there was greater pathological bone loss in patients with moderate and heavy consumption of tobacco, after that period, the loss is regulated and maintained, with high risk factor for developing peri-implant mucositits and or implantitis.
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