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Year : 2019  |  Volume : 22  |  Issue : 5  |  Page : 652-660

Analyses of clinical and osteoimmunological parameters on keratinized mucosa around dental implants

Department of Periodontology, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey

Correspondence Address:
Dr. E Baltacioglu
Department of Periodontology, Karadeniz Technical University, Faculty of Dentistry, Trabzon - 61080
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/njcp.njcp_522_18

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Introduction: This study investigated the effects of keratinized mucosa width (KMW) on peri-implant tissues by evaluating peri-implant clinical and bone resorption parameters. Subjects and Methods: Seventy-one dental implants (DIs) were separated based on adequacy/inadequacy of KMW. DIs with inadequacy KMW were grouped as peri-implant plastic surgery (PIPS) (free gingival graft/free periosteal graft groups) and maintenance (M) groups. DIs with adequacy KMW were grouped as the controls. Peri-implant clinical parameters were measured at the baseline and 6th month. Levels of receptor activator of nuclear factor κB ligand (RANKL) and osteoprotegerin (OPG) in peri-implant sulcular fluid were determined after clinical measurements using enzyme-linked immunosorbent assay. Results: In baseline, gingival index, bleeding on probing, and plaque index (PI) were lower in controls compared to the PIPS and M groups, and KMW was higher. At 6th month, peri-implant pocket depth and PI were lower in the PIPS groups and controls compared to the M group, and KMW was higher. While RANKL and OPG values and RANKL/OPG ratio at baseline were not significantly different between groups, OPG concentration and RANKL/OPG ratio in the 6th month were higher in the PIPS group compared to the M group (P < 0.05). The RANKL/OPG ratio decreased at 6th month in the PIPS groups and controls (P < 0.05). Positive and negative correlations were observed between peri-implant clinical and osteoimmunological parameters. Conclusion: This study demonstrated that adequate KMW and PIPS techniques exhibited positive effects on clinical peri-implant parameters and osteoimmunological mediators.

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