Assessment of lipopolysaccharide microleakage at conical implant-abutment connections

Harder, Sönke; Quabius, Elgar Susanne; Ossenkop, Lars; Kern, Matthias

doi:10.1007/s00784-011-0646-4

Cited by 34 publications

(24 citation statements)

References 27 publications

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“…Higher loads might result in a permanent displacement of the abutment in dependence of the diameter of the implant. The microgap sizes found within this study show that the migration not only of bacterial lipopolysaccharides is possible but also of various bacteria and wear debris [39]. SEM examination revealed different wear mechanisms: fretting-and adhesive wear as well as chipping and plastic deformation.…”

Section: Discussionmentioning

confidence: 82%

Fatigue induced changes in conical implant–abutment connections

et al. 2015

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Section: Discussionmentioning

confidence: 82%

Fatigue induced changes in conical implant–abutment connections

et al. 2015

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“…Endotoxin has been associated invariably with Gram‐negative bacteria and identified as a major bacterial bone‐resorbing factor 25 , 26 . Crevicular LPS concentrations influenced peri‐implant inflammation with increased levels of proinflammatory cytokines in PICF 27 . In this study, LPS is chosen as a marker related to wound healing.…”

Section: Discussionmentioning

confidence: 99%

Effects of Topical Antibiotic Prophylaxis on Wound Healing After Flapless Implant Surgery: A Pilot Study

Wang

Nguyen

et al. 2016

Journal of Periodontology

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The local application of antibiotics along with the systemic antibiotics could reduce the inflammatory response in wound healing after implant surgery. The EEO and MHO were equally effective in early wound healing. Compared to the MHO, the EEO has advantages of higher cost efficiency and convenience. Therefore, it is recommended to use the EEO in topical antibiotic prophylaxis for wound healing after flapless implant surgery.

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“…The possibility of leakage of bacteria or endotoxin in the implant-abutment interface has been shown in multiple in vitro trials, stressing the importance of studying internal bacteria contamination of implant cavities [40][41][42] . These investigations were performed in vitro under static conditions and without any suprastructures.…”

Section: Discussionmentioning

confidence: 99%

Dental materials and their performance for the management of screw access channels in implant-supported restorations

et al. 2017

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Unsuccessfully sealed screw access channels of prosthetic implant abutments may lead to malodor or peri-implant diseases in gingival tissues adjacent to implant-supported restorations. Therefore, 72 sets of screw channel analogs with six different materials incorporated (Polytetrafluoroethylene (PTFE), wax, gutta-percha, cavit, endofrost-pellets and cotton pellets) were exposed (2.5 h, 37°C) to Streptococcus mutans, oralis and Candida albicans suspensions. Bacterial adherence was quantified by using the fluorescence dye, Alamar Blue/resazurin, and an automated multifunctional reader. For quantification of fungal adherence the ATP-based bioluminescence approach was used. High relative fluorescence and luminescence intensities (>10,000), indicating high adhesion of streptococci and fungi were found for cotton and endofrost-pellets and low intensities (<5,000) for wax, gutta-percha, cavit and PTFE. The quantity of bacterial and fungal adhesion differed significantly between the assessed various sealing materials. In conclusion and within the limitations of this study, wax, gutta-percha, cavit and PTFE should be preferred as sealing materials.

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Assessment of lipopolysaccharide microleakage at conical implant-abutment connections

Abstract: Small amounts of lipopolysaccharide released from intra-implant cavities can stimulate a detectable immunological response in human whole blood and may induce alveolar bone resorption via the osteoclast-activating pathway.

Cited by 34 publications

References 27 publications

Fatigue induced changes in conical implant–abutment connections

Fatigue induced changes in conical implant–abutment connections

Effects of Topical Antibiotic Prophylaxis on Wound Healing After Flapless Implant Surgery: A Pilot Study

Dental materials and their performance for the management of screw access channels in implant-supported restorations

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