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Clin Oral Investig. 2015 Mar;19(2):553-9. doi: 10.1007/s00784-014-1268-4. Epub 2014 Jun 8.

Clinical results of implant placement in resorbed ridges using simultaneous guided bone regeneration: a multicenter case series.

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1
Department of Prosthodontics, TU Dresden, Dresden, Germany, ioannis.konstantinidis@uniklinikum-dresden.de.

Abstract

OBJECTIVES:

The purpose of this case series was to evaluate the new bone formation following guided bone regeneration (GBR) with a calcium phosphosilicate (CPS), alloplastic bone putty at peri-implant dehiscence defects and to assess survival rate of implants placed in the augmented sites after 12 months of function.

MATERIALS AND METHODS:

Implants were placed in patients exhibiting Seibert class I ridge defects resulting in peri-implant dehiscence defects. The defects were treated following GBR principles with the use of a CPS alloplastic bone graft putty in combination either with a collagen membrane or a titanium mesh. The height of each bony dehiscence was clinically measured at the time of implant placement and again during second-stage surgery. The percentage of complete defect coverage, frequency of adverse events, and risk factors for residual defect were determined.

RESULTS:

Thirty-six implants were placed in 26 patients. Twenty-seven of the 36 sites employed a collagen membrane in conjunction with the CPS while the remaining nine sites utilized a titanium membrane. Mean gain in bone height was 3.23 ± 2.04 mm, with 75 % of the peri-implant defects achieving complete regeneration. A negative correlation was identified between patient age and complete coverage of the peri-implant defect (p = 0.026). The implant survival rate at 12 months was 97.22 %.

CONCLUSION:

Use of CPS bone putty during delayed implant placement at peri-implant dehiscence sites either in combination with a collagen membrane or a titanium mesh results in predictable defect coverage.

CLINICAL RELEVANCE:

The handling characteristics of CPS putty may simplify GBR protocol. Implants placed in conjunction with GBR have a very good survival rate after 1 year of follow-up.

PMID:
24907860
DOI:
10.1007/s00784-014-1268-4
[Indexed for MEDLINE]
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