Document Detail


Five-year results of a prospective, randomized, controlled study evaluating treatment of intra-bony defects with a natural bone mineral and GTR.
MedLine Citation:
PMID:  17243997     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Treatment with a natural bone mineral (NBM) and a guided tissue regeneration (GTR) has been shown to promote periodontal regeneration. However, until now there are only very limited data on the long-term clinical results following this regenerative technique. AIM: To present the 5-year results of a prospective, randomized, controlled clinical study evaluating the treatment of deep intra-bony defects either with open flap debridement (OFD) and a combination of an NBM and GTR (test) or OFD alone (control). METHODS: Nineteen patients diagnosed with advanced chronic periodontitis, and each of whom displayed one intra-bony defect, received randomly the test or the control treatment. Results were evaluated at baseline, at 1 and at 5 years following therapy. RESULTS: No statistically significant differences in any of the investigated parameters were observed at baseline between the two groups. At 1 year after therapy, the test group showed a reduction in mean probing depth (PD) from 9.1+/-1.1 to 3.7+/-0.8 mm (p<0.001) and a change in mean clinical attachment level (CAL) from 10.4+/-1.3 to 6.4+/-1.2 mm (p<0.001). At 5 years, mean PD and CAL measured 4.3+/-0.8 and 6.7+/-1.6 mm, respectively. At 5 years, both PD and CAL were statistically significantly improved compared with baseline (p<0.001) without statistically significant differences between the 1- and 5-year results. In the control group, mean PD was reduced from 8.9+/-1.3 to 4.9+/-1.2 mm (p<0.001) and mean CAL changed from 10.6+/-1.4 to 8.8+/-1.5 mm (p<0.01). At 5 years, mean PD and CAL measured 5.6+/-1.1 and 9.1+/-1.3 mm, respectively, and were still statistically significantly improved compared with baseline (p<0.01). No statistically significant differences were found between the 1- and 5-year results. The test treatment, at both 1 and 5 years, yielded statistically significantly higher CAL gains than the control one (p<0.01). Compared with baseline, at 5 years a CAL gain of > or =3 mm was found in nine defects (90%) of the test group but in none of the defects treated with OFD alone. CONCLUSIONS: It was concluded that (i) treatment of intra-bony defects with OFD+NBM+GTR may result in significantly higher CAL gains than treatment with OFD, and (ii) the clinical results obtained after both treatments can be maintained over a period of 5 years.
Authors:
Anton Sculean; Frank Schwarz; Giovanni C Chiantella; Nikolaos Donos; Nicole B Arweiler; Michel Brecx; Jürgen Becker
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of clinical periodontology     Volume:  34     ISSN:  0303-6979     ISO Abbreviation:  J. Clin. Periodontol.     Publication Date:  2007 Jan 
Date Detail:
Created Date:  2007-01-24     Completed Date:  2007-03-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0425123     Medline TA:  J Clin Periodontol     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  72-7     Citation Subset:  D; IM    
Affiliation:
Department of Periodontology, Radboud University Medical Center, Nijmegen, The Netherlands. a.sculean@dent.umcn.nl
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MeSH Terms
Descriptor/Qualifier:
Alveolar Bone Loss / classification,  surgery*
Biocompatible Materials / therapeutic use
Bone Matrix / transplantation*
Bone Substitutes / therapeutic use*
Collagen / therapeutic use
Female
Follow-Up Studies
Gingival Recession / classification,  surgery
Guided Tissue Regeneration, Periodontal / methods*
Humans
Male
Membranes, Artificial
Middle Aged
Minerals / therapeutic use*
Periodontal Attachment Loss / classification,  surgery
Periodontal Pocket / classification,  surgery
Periodontitis / surgery
Prospective Studies
Surgical Flaps
Treatment Outcome
Chemical
Reg. No./Substance:
0/Bio-Gide; 0/Bio-Oss; 0/Biocompatible Materials; 0/Bone Substitutes; 0/Membranes, Artificial; 0/Minerals; 9007-34-5/Collagen

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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