Document Detail

Impact of defect configuration on the clinical outcome following surgical regenerative therapy of peri-implantitis.
MedLine Citation:
PMID:  20374416     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: The present study aimed at investigating the impact of defect configuration on the clinical outcome of surgical regenerative therapy of peri-implantitis lesions using a natural bone mineral in combination with a collagen membrane (NBM+CM). MATERIALS AND METHODS: Twenty-seven patients (n=27 defects) exhibited three different types of peri-implantitis lesions including either Class Ib (buccal dehiscence+semicircumferential), Class Ic (buccal dehiscence+circumferential), or Class Ie (circumferential) intra-bony defects (n=9 defects per group). All defects were treated with access flap surgery and the application of NBM+CM. RESULTS: At 6 and 12 months, Class Ie defects tended to reveal higher changes in the mean probing depth (PD) and clinical attachment level (CAL) values when compared with Class Ib and Class Ic groups. However, significant differences were only observed at 6 months (PD: 2.9 +/- 0.3 versus 1.4 +/- 0.5 versus 1.3 +/- 0.7 mm; CAL: 2.5 +/- 0.5 versus 0.9 +/- 0.8 versus 0.9 +/- 0.7 mm). Site-level analysis has pointed to lowest PD and CAL changes at the midbuccal aspect of Class Ib and Class Ic groups. CONCLUSION: Defect configuration may have an impact on the clinical outcome following surgical regenerative therapy of peri-implantitis lesions. While Class Ie defects seem to be promising in conjunction with NBM+CM, Class Ib and Class Ic may be considered as unfavourable.
Frank Schwarz; Narja Sahm; Katrin Schwarz; Jürgen Becker
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Publication Detail:
Type:  Clinical Trial; Journal Article     Date:  2010-03-24
Journal Detail:
Title:  Journal of clinical periodontology     Volume:  37     ISSN:  1600-051X     ISO Abbreviation:  J. Clin. Periodontol.     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-05-28     Completed Date:  2010-08-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0425123     Medline TA:  J Clin Periodontol     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  449-55     Citation Subset:  D; IM    
Department of Oral Surgery, Heinrich Heine University, Düsseldorf, Germany.
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MeSH Terms
Absorbable Implants
Alveolar Bone Loss / classification,  etiology,  pathology*,  surgery*
Analysis of Variance
Bone Regeneration
Bone Transplantation
Dental Implants / adverse effects*
Guided Tissue Regeneration, Periodontal / methods*
Membranes, Artificial
Middle Aged
Periodontal Index
Periodontitis / etiology,  pathology,  surgery*
Prospective Studies
Statistics, Nonparametric
Treatment Outcome
Reg. No./Substance:
0/Dental Implants; 0/Membranes, Artificial

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