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Published in: Clinical Oral Investigations 2/2012

01-04-2012 | Original Article

Effect of different localizations of microgap on clinical parameters and inflammatory cytokines in peri-implant crevicular fluid: a prospective comparative study

Authors: A. Duygu Boynueğri, Mehmet Yalım, Seçil Karakoca Nemli, B. İmge Ergüder, Pelin Gökalp

Published in: Clinical Oral Investigations | Issue 2/2012

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The purpose of this study was to evaluate the effect of microgap on clinical and biochemical parameters around dental implants for 1 year. All patients received four implants: group A—Standard Straumann® implants, group B—1 mm subcrestal placement of the polished surface of group A implants, group C—esthetic plus Straumann® implants, group D—subcrestal placement of the polished surface of group C implants. Clinical measurements and peri-implant crevicular fluid (PICF) were collected immediately before loading and at 3rd, 6th, and 12th months after loading, and interleukin-1 beta (IL-1β) and tumor necrosis factor-alpha (TNF-α) have been assessed in the crevicular fluid. No significant differences were found in plaque index, gingival index, and probing between the groups throughout the study. However, the PICF volumes of group D were significantly higher than that in the other groups, and group A were significantly lower than the other groups (P < 0.05). With respect to bleeding on probing values, the percentage of BOP (+) sides in group A implants were fewer than group C and D implants (P < 0.05). With regard to IL-1β, the levels of IL-1β in group A were lower than that in the other groups during the study (P < 0.05). In point of TNF-α total amounts, the levels of TNF-α in group A implants were lower than those in group B and D implants (P < 0.05). Moving microgap coronally from alveolar crest could be recommended for the health of periodontal tissues. Most coronal location of microgap can be suggested in order to maintain the peri-implant health status, particularly in implant sites without esthetic priority.
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Metadata
Title
Effect of different localizations of microgap on clinical parameters and inflammatory cytokines in peri-implant crevicular fluid: a prospective comparative study
Authors
A. Duygu Boynueğri
Mehmet Yalım
Seçil Karakoca Nemli
B. İmge Ergüder
Pelin Gökalp
Publication date
01-04-2012
Publisher
Springer-Verlag
Published in
Clinical Oral Investigations / Issue 2/2012
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-010-0497-4

Other articles of this Issue 2/2012

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