Impact of the method of surface debridement and decontamination on the clinical outcome following combined surgical therapy of peri-implantitis: a randomized controlled clinical study.

Frank Schwarz, Narja Sahm, Gerhard Iglhaut, Jürgen Becker

Journal: Journal of clinical periodontology 2011;38(3):276-84

PMID: 21219392

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Abstract

OBJECTIVES

The study aimed at investigating the impact of two surface debridement/decontamination (DD) methods on the clinical outcomes of combined surgical treatment of peri-implantitis.

MATERIAL AND METHODS

Thirty-two patients suffering from advanced peri-implantitis (n=38 combined supra- and intra-bony defects) were treated with flap surgery, granulation tissue removal, and implantoplasty at buccally and supracrestally exposed implant parts. The intra-bony aspects were randomly allocated to surface DD using either (i) an Er:YAG laser (ERL) device, or (ii) plastic curets+cotton pellets+sterile saline (CPS). In both groups, the intra-bony component was augmented with a natural bone mineral and covered with a collagen membrane. Clinical and radiographic parameters were recorded at baseline and after 6 months of non-submerged healing.

RESULTS

Two patients were lost during follow-up. At 6 months, ERL-treated sites failed to reveal higher reductions in mean bleeding on probing (ERL: 47.8 ± 35.5 versus CPS: 55.0 ± 31.1%) and CAL values (ERL: 1.5 ± 1.4 versus CPS: 2.2 ± 1.4 mm) when compared with the CPS group. Both groups exhibited a comparable radiographic bone fill at the intra-bony defect component.

CONCLUSION

The study failed to demonstrate a significant impact of the method of surface DD on the clinical outcome following combined surgical therapy of advanced peri-implantitis lesions.

Address: Department of Oral Surgery, Heinrich Heine University, Düsseldorf, Germany. [email protected]

DOI: 10.1111/j.1600-051X.2010.01690.x

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MeSH Terms: Alveolar Bone Loss, Anti-Infective Agents, Local, Bone Substitutes, Chlorhexidine, Collagen, Curettage, Debridement, Dental Implants, Dental Plaque Index, Disinfection, Female, Follow-Up Studies, Gingival Hemorrhage, Gingival Recession, Granulation Tissue, Humans, Lasers, Solid-State, Male, Membranes, Artificial, Middle Aged, Periodontal Attachment Loss, Periodontal Pocket, Periodontitis, Sodium Chloride, Surface Properties, Surgical Flaps, Treatment Outcome